SJ 20586-1996 General specification for field communication engineering service equipment
Some standard content:
Military Standard of Electronic Industry of the People's Republic of China FL5805
SJ20586-96
General specification of engineering orderwire equipment for field communication1996-08-30Promulgated
1997-01-01Implementation
Approved by the Ministry of Electronics Industry of the People's Republic of China1
Referenced Documents
3Requirements
4Quality Assurance Provisions
5Delivery Preparation
Notes
Attachment A Service Line Circuit Configuration and Signaling Process (Supplement)++
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Military Standard of Electronic Industry of the People's Republic of China Field Communication Engineering Service Equipment
General Specification
General Specification of Engineering Orderwire Equipments for Field communication1Scope
1.1Subject matter
S.I20586-96
This specification specifies the classification, requirements, quality assurance provisions, delivery preparation, etc. of field communication engineering service equipment. 1.2Applicable scope
This specification applies to the design, manufacture and acceptance of field communication engineering service equipment. 1.3Classification
1.3.1Classification by function
Classification see Table 1
Engineering service line terminal
Color service line entry
1.3.2Classification by ambient temperature
Classification see Table 2.
Referenced Documents
GB191—90
Packaging, Storage and Transportation Pictorial Marking
Engineering Service Terminal Equipment
Engineering Service Unit on Transmission Equipment
Multi-channel Service Line Population Equipment
Working Temperature
- 40 ~ 55
- 25 ~ 55
GB/T 13427--92
Technical Requirements for Incremental Modulation Terminal Equipment
The Ministry of Electronics Industry of the People's Republic of China Issued on August 30, 1996 Implemented on January 1, 1997
SJ 20586-96
GB/T 13428—92
2 Measurement Methods for Incremental Modulation Terminal Equipment
GJB 151.4—86
GJR 152--86
GJR 179—86
GJB 367. 1—87
GIR 367.287
GIR 367. 3--87
GJR 367.5-87
GJR 368.387
GJB 368.5—87
GJB 1142.2—91
GJB 114591
3 Requirements
3.1 Qualification and appraisal
Requirements for electromagnetic emission and sensitivity of military equipment and subsystems Requirements for equipment and subsystems in ground installations (fixed and mobile including tracked and wheeled vehicles) (Class A3) Counting sampling inspection procedures and tables for electromagnetic emission and sensitivity measurement of military equipment and subsystems
General technical conditions for military communication equipment Design and manufacturing requirements General technical conditions for military communication equipment Environmental test methods General technical conditions for military communication equipment Reliability identification test and acceptance test methods General technical conditions for military communication equipment Packaging, transportation and storage requirements. General specifications for equipment maintainability Maintenance requirements for commonly used parts General specifications for equipment maintainability Test and evaluation of maintenance Basic parameters of integrated communication systems General characteristics of systems Useful equipment Finalization test and appraisal test regulations Products submitted in accordance with this specification should be qualified or approved products. 3.2 Design
The design of the equipment should be based on the characteristics and requirements of field communications, and should comply with the relevant provisions of Chapter 1 of GJB3671. Standard parts, general parts and borrowed parts should be used to the maximum extent to make the equipment universal, systematic and modular. 3.3 Structure
The structure of the equipment should have good processability and inheritance, and have sufficient mechanical strength, firm, reliable and safe, so that it is easy to install, repair and transport: the appearance is novel and beautiful. It is recommended to use a standard chassis.
3.4 Appearance quality
: The text and symbols should be clear:
b, the coating layer should be firmly combined with the substrate, the thickness should be uniform, the appearance of the paint film should be uniform and dense, and the color should be consistent: C. The structural parts and control parts should be complete and free of mechanical damage. The mechanical processing of the chassis and internal plug-ins should meet the requirements of product specifications.
3.5 Dimensions and weight
Specified by product specifications.
3.6 Color
The protective color and identification color of the equipment shall comply with Article 1.20 of GJB367.1. The handle is recommended to be brown-green (matte). 3.7 Product logo and code
The product logo and code shall comply with Article 1.21 of GJB 367.1. 3.8 Safety
3.8.1 Marking
All terminal devices, operating devices, power sockets and grounding terminals shall have accurate, clear and firm markings. 3.8.2 Insulation resistance
Between the accessible electrical body and the housing, apply a 500V DC voltage and stabilize for 1 minute. The insulation resistance should be no less than —2—
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4Ma, and after the mixed heat test, it should be no less than 2Mnc
3.8.3 Dielectric strength
SJ 20586- 96
Between any pole of the AC power socket and the housing (the power switch is in the on position, but not connected to the power supply network), apply an AC effective value of 1500V test voltage for 1 minute, and there should be no arcing or breakdown. 3.8.4 Leakage current
When powered on, the peak-to-peak value of the leakage AC current between the power socket and the housing or accessible conductor should be no less than 0.7mA or the DC should not exceed 2mA.
3.9 Maintainability
The maintainability of the equipment shall comply with Article 9.6 of GJB367.1 and the relevant provisions of GJB368. The specific requirements shall be specified by the product specifications.
3.9.1 Mean Time to Repair (MTTR)
The mean time to repair (MTTR) shall be less than 30min. 3.9.2 Accessibility to Maintenance
The assembly density shall be moderate. All components, parts, components, complete parts and connectors shall be convenient during inspection, testing, adjustment, disassembly and installation, and shall not hinder the connection of other parts. Special tools shall be used as little as possible. The maintainability of the equipment shall comply with Articles 2.1.2.4 and 2.5 of GJB368.3: 3.10 Interchangeability
The components, parts, components and complete parts with interchangeability requirements in the equipment shall be interchanged in turn in the equipment, and then interchanged with another equipment of the same model. The structure shall be well matched and the electrical performance shall meet the requirements. 3.11 Performance Characteristics
3.11.1 Engineering Service Line Terminal (E0W)
Engineering service line terminal is a general term for separate engineering survey terminal equipment and engineering service unit in transmission equipment. Unless otherwise specified, the performance characteristics of the two are the same. The typical configuration of service line circuit is shown in A1 in Appendix A (Supplement).
3. 11.1.1 Communication mode (see 4.7.11.1.1): Use flat duplex voice communication mode. Any two service line terminals on the same service line circuit can have voice communication, but at any time, only one service line terminal can speak, and all service line terminals connected to this service line should be able to receive this service call signal: b. The engineering service line terminal adopts digital regeneration switching to realize the link-by-link transmission of signaling or voice code in the service circuit;
c, any service line terminal, whether it is called or not, can access the service line circuit when the service line circuit is idle, including the idle time when half-duplex communication changes direction. 3. 11. 1.2 User call (see 4.7. [1.1.2): Any service line terminal can use "through calling" signaling to call all service line terminals on the same service line circuit; b. All service line terminals on the service line circuit should be able to use "call terminating service line terminal" (call TEOW) signaling to initiate a call to the TEOW in any direction respectively: c. The intermediate service line terminal (IEOW) should have the ability to interrupt the ongoing non-through calling service contact and send an "emergency call terminating service line terminal" (application for emergency call IEOW) to any direction: d. Any service line terminal can perform "selective calling" on the service line terminal on the same service line circuit. e. For the user signaling process, see Section A2 in Appendix A Supplement). -3
3.11.1.3 Control function (see 4.7.11.1.3) SI20586-96
The engineering service terminal equipment or engineering service unit should be able to provide the following control functions;. Select the signaling to be sent;
Send the selected signaling;
Use the "push button to speak" key\ to select the speaking or listening state; d, enable the engineering service line terminal to call the TEOWe of the selected party, and select the priority level of the call (normal/emergency). 3.11.1.4 Display function (see 4.7.J1.1.4) The engineering service terminal equipment or engineering service unit should be able to provide the following display function: Use sound to indicate that the ongoing service call has been forcibly disconnected: a.
b. Indicate that there is signaling or traffic on the service line; c: Send a ring tone notification to the user when a call signal calling this station is received. 3. 11.1.5 Timing (see 4,7. [1.1.5) a. A sending engineering service line terminal should be able to use its own clock and synchronize with the clock of the group line when necessary. For the engineering service unit, when sending in two transmission directions, two sets of 16kHz clocks provided by the baseband part of the transmission equipment can be used, which are synchronized with the group clocks of the two transmission directions respectively; b. The accuracy of the autonomous clock should be better than 1×10-4 of its nominal frequency; c. Timing of working time
Sending, when sending "Emergency Call TEOW\ signaling on a busy service line circuit, the clock can be extracted from the signal or the clock source of the ongoing communication; - Receiving: On the receiving service line terminal side, the clock must be extracted from the incoming signal and forwarded with it. 3.11.1.6 Interface (see 4.7.11.1.6)
a. The interface of the engineering service terminal equipment in both directions is interface G, and the block diagram is shown in Figure 1. The interface characteristics comply with GIB1142.2, Section 5.11.4.2.2:
Figure 1 Interface block diagram of the second-hand service terminal equipment
b, the upper-hand service unit of the transmission equipment, one direction interface is interface G: the other direction is connected to the baseband transceiver module of the transmission equipment, and it is recommended to use a TTI. level interface, the frame is shown in Figure 2. TTL
Engineering service
[Branch
Figure 2 Engineering service unit connection]
3.11.1.7 Medical service voice (see 4.7.11.1.7) The service voice digital coding adopts continuous variable slope incremental modulation, the coding bit rate is 16kbit/s, and the input and output levels are specified in the product specifications.
3.11.1.7.1 The relationship between attenuation distortion and frequency should comply with Section 11.2.4.3 of GB/T13427. 4bZxz.net
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3.11.1.7.2 Idle noise
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Should comply with 11.2.4.5 of GB/T13427. 3.11.1.7.3 The variation of quantization and harmonic distortion with input level shall comply with 11.2.4.6 of GB/T13427. 3. 11.1.8 Service encryption (see 4.7.11.1, 8) a. The encryption facility of service is independent of the service line terminal, and its encryption is optional; h. The working bit rate of the encryption facility is 16kbit/s; the encryption facility adopts self-synchronization mode:
d. Service encryption adopts the unified key mode of the whole network. 3.11.1.9 Signalling (excluding selective call signalling) (see 4.7.11.1.9) a. Signalling is not encrypted;
b. Signalling codes are transmitted at a bit rate of 16 kbit/s; c. The signaling adopts the 8-bit cyclic permutation code (CPC) specified in Table 3: d. CPC code words are sent in units of 16 groups of inverse codes and positive codes as shown in Table 3. The conversion between the positive and inverse code groups is controlled by the 4-bit phase shift code word (PSC). The start of signaling transmission should be the positive code group as the signaling header:; e The effective criterion for receiving signaling is: detecting 6 consecutive error-free CPC code words, or detecting 2 consecutive error-free PSC code words;
Table 3 Signaling code configuration
Call TEO
Purple urgent call TWOW
Button sending key pressed
CC code word
11100100
11100110
1101100
10101010
Note: DN = CPC code word positive code group.
①I-: CPC codeword inverse code group.
Sent code group sequence
N/INININININININININ/I...
N/IIININIHNIIN/J-
N/NNJINNINNINN/F--
N/ NaNNNNNNNNNNNN/N..
PSC Coding
③Sent code group sequence The transformation from to 1 or from I to N is equivalent to \1\ of PSC codeword, and no transformation is equivalent to \0\. f. The transmission order of CPC codeword is: the leftmost code element of CPC codeword should be sent first; g. The "call" signaling is detected on the busy circuit, the ongoing service contact is forcibly disconnected, and the call from MEAF is ready:
h: The code group sequence is sent for at least 300ms, but not more than Is; i. The "emergency call TEOW\ signaling shall not be sent more than once within 5s. 3.11.1.10 Selective call signaling (see 4.7.11.1.10) The service line terminal shall have the function of selecting the communication object and receiving the selective call, and the selective call is not required to have a priority level; operation. The selective call signaling is not encrypted;
e. The selective call signaling code is transmitted at a bit rate of 16khit/; d. The selective call signaling code adopts the Gold code sequence as the address code signaling, and the maximum number of addresses is 33. They are composed of m sequences ml and m1 of 1-level (=5) shift registers. And the sum is obtained by shifting 1,2.,2=1 bit and adding them modulo 2 bit by bit;
Figure 3 gives mO,m1 and Gold Principle of code sequence generation: Table 4 gives a comparison table of the selective calling code address number and code type: S
SJ20586-96
YGOld code sequence
Figure 3 Principle of MO, M1 and Gold code sequence generation The selective calling signaling transmission lasts at least 300ms;
The effective criterion for the reception of selective calling signaling is the detection of 2 error-free selective calling codes. Table 4
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3.11.2 Multiple service line population equipment (MEAE) Sr20586-96
Continued Table 4
MEAE can terminate up to 16 service lines. 3.11.2.1 Control function (see 4.7.11.2.1) 0010||tt| |i. When the terminated TEOW is used as the call initiator, MEAE has the control function of connecting the TEOW to a selected service line circuit;
b. When the terminated TEOW is used as the initiator of the broadcast, MEAE has the control function of connecting the TEOW to any selected service line circuits for broadcasting and canceling the broadcast; c. Under the broadcasting condition, MEAE can make all service line terminals on the selected connected service line circuit only receive but not send. 3.11.2.2 Detection function (see 4.7.11.2.2) a. When the terminated TF()W is used as the call receiver, ME.AE has the ability to detect the voice code and signaling of the terminated service line circuit and automatically connect to the TEOW. If the TE()W If a service line circuit has been connected and is busy, the above automatic connection will not be executed; b: When the service line circuit terminated with MEAE has emergency call TEOW signaling, MEAE has the need to prompt that one or more service line circuits have emergency call TEOWs, and the light is displayed to prompt that the terminated TEOW can handle the ongoing call or respond to a certain emergency call. 3.11.2.3 Protection time for canceling connection (see 4.7.11.2.3) To prevent the established connection from being disconnected by detecting the presence of a signal in another service line circuit when the half-duplex is idle, the protection time for canceling the connection of the service channel during the non-broadcast period is specified to be 5 to 15 seconds. 3.11.2.4 Emergency call signaling hold time (see 4.7.11.2.4) a.
During the broadcast period, MEAE should have the function of detecting the emergency call signaling on all service line circuits and be able to maintain it for a certain time:
b. During the connection period, MEAE should have the function of detecting the emergency call signaling on all service line circuits except the connected service line circuit and be able to maintain it for a certain time; the holding time should be no less than 10 seconds.
3.11.2.5 Timing (see 4.7.11.2.5)
a. The timing used by the MEAE detection signal or signaling is extracted from the received signal; b. When the MEAE-terminated TEOW is the call initiator, the timing used is provided by the MEAE: the MEAE inputs a 512kHz group clock synchronized with the transmission direction from the node switch or the ingress switch through the clock port, and provides a 16kHz timing to the TEOW after dividing the clock. 3.11.2.6 Interface (see 4.7.11.2.6) The block diagram of the MEAE interface is shown in Figure 4.
16kHz clock
Switch
512kHz clock
Service line circuit
Figure 4 MEAF interface block diagram
, the interface between MEAE and the terminated TFO)W is a G interface; b, the interface between MEAE and the service line circuit is a G interface: the characteristics of interface G should comply with Article 9.4 of GB/T13427. e. The interface for MEAE to receive the 512kHz clock sent by the switch is a TTL level interface; d. The interface for MEAE to send the 16kHz clock is a TTL level interface. 3.11.2.7 Broadcast signaling (see 4.7.11.2.7). When selecting the service circuit to receive the broadcast, MEAE should be able to ensure that all the intermediate service line terminals on the selected service line circuit can only receive but not send;
b Send "call signaling" through the TE ()W connected to the MEAE terminal to initiate the broadcast. 3.12 Power adaptability and power consumption
3.12.1 Power adaptability (see 4.12.1)
When the power supply voltage changes within the following range, the performance characteristics of the equipment should meet the requirements: a. AC input voltage:
220V+%, 50H2± 5% ;
1. DC input voltage:
24V, negative pole grounded.
3.12.2 Power consumption (see 4.7.12.2)
a, AC: not more than 10W;
h. DC: not more than 5W.
Or specified by product specifications.
3.12.3 AC/DC switching (see 4.7.12.3) AC/DC automatic, non-inductive switching.
3.13 Environmental requirements
Environmental requirements Except for the following items, other requirements of product specifications are selected according to the relevant provisions of GIB367.2. 3. 13.1 Low temperature
TWorking temperature is the same as 1.3.2, storage temperature is -55C. 18
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3.13.2 High temperature
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T. Operating temperature is the same as in 1.3.2, storage temperature is 70. 3.13.3 Temperature shock
Test temperature: high temperature is 70℃, low temperature is -55℃, test time: not less than 4h;
Number of cycles: 3 times;
Conversion time: not more than 5min.
3.13.4 Damp heat
Temperature: 30~60℃
Relative humidity: 95%;
Test period: 24h ;
d. Number of cycles: 10 times.
3.13.5 Shock
The equipment under test shall be able to withstand a half-sine shock pulse such as a speed of 147m/s2 or a post-peak sawtooth shock pulse such as a speed of 196m/s2, with a pulse width (duration) of 11ms and a number of impulses of 18 times. 3.13.6 Vibration
Use sine sweep vibration. See Table 5 for test parameters. Table 5
Frequency range
5.5 --200
3.13.7 Rain
(Double-width)
Acceleration
Test time
min/kmm
30/1600
Test time for each axis
Maximum test time
Scanning time
(S~200 ~ 5Hz)
The equipment under test can withstand rain falling uniformly from a height of 1m (the water level in the distributor is 75mm, and the water volume is 280L/m2.h) for 15min, and should be able to work normally. 3.14 Electromagnetic compatibility
3.14.1 Conducted emission
CE0315kHz50MHz power line conducted emission should comply with the provisions of Chapter 3 of GJB 151.4. 3.14.2 Conducted sensitivity
CS02 The conducted sensitivity of the power line from 50kHz to 400MHz shall comply with the provisions of Chapter 7 of GJB151.4: h. CS06 The conducted sensitivity of the spike signal of the power line shall comply with the provisions of Chapter 11 of GJB 151.4. 3.14.3 Radiated emission
RE02 The radiated emission of the electric field from 14kI[z to 10GHz shall comply with the provisions of Chapter 15 of GJB 151.4. 3.14.4 Radiated sensitivity
RS03 The radiated sensitivity of the electric field from 14kHz to 10GHz shall comply with the provisions of Chapter 19 of GIB 151.4. 3.15 Reliability
The lower limit of the mean time between failures: MTBF () is recommended to be: a. Equipment: 825000h; b. Unit: 89000h.
Or specified by the product specification.
4 Quality Assurance Provisions
4.1 Inspection Responsibility
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Unless otherwise specified in the contract or order, the contractor shall be responsible for completing all inspections specified in this specification. If necessary, the ordering party or the superior appraisal agency has the right to inspect any inspection items specified in the specification. 4.1.1 Qualification Responsibility
All products must meet all requirements of Chapter 3 and Chapter 5 of the specification. The inspections specified in this specification shall become an integral part of the contractor's entire inspection system. If the contract includes inspection requirements not specified in this specification, the contractor shall also ensure that the products submitted for acceptance meet the contract requirements. Quality consistency sampling does not allow the submission of products that are known to be defective, nor can the ordering party be required to accept defective products.
4.2 Inspection Classification
The inspections specified in this specification are divided into:
a. Appraisal inspection;
b. Quality consistency inspection.
4.3 Test conditions
Unless otherwise specified, the test shall be conducted under the following standard atmospheric conditions: a. Temperature: 15~35;
b. Relative humidity: 20%~80%:
c. Air pressure: the air pressure of the test site.
4.4 Qualification test
Qualification test is generally conducted during design and production finalization. When the main design, process, components and materials of the equipment have major changes that affect the importance of the equipment and can make the original qualification results no longer valid, qualification test should also be conducted. Qualification test shall be conducted in a laboratory approved by the ordering party or the superior qualification agency. 4.4.1 Sample size
Fixed samples are used for qualification test, and the sample size shall generally not be less than two units of products or the product specifications. Note: The sample size of reliability, electromagnetic compatibility and other tests shall be in accordance with the contract provisions or agreed upon by the contractor and the ordering party. 4.4.2 Inspection items
Identification inspection items are shown in Table 6.
Inspection quality
Appearance quality
Dimensions and weight
! Inspection
Quality-Conformity Inspection
Chapter, Article Number
Test Method
Chapter, Article Number
ITKAONKAca-It should have the function of detecting the emergency call signaling on all service line circuits and be able to maintain it for a certain period of time:
b. During the connection period, MEAE should have the function of detecting the emergency call signaling on all service line circuits except the connected service line circuit and be able to maintain it for a certain period of time; the holding time should be no less than 10s.
3.11.2.5 Timing (see 4.7.11.2.5)
a. The timing used by MEAE to detect the signal or signaling is extracted from the received signal; b. When the TEOW terminated by MEAE acts as the call initiator, the timing used is provided by MEAE: MEAE inputs a 512kHz group clock synchronized with the transmission direction from the node switch or the entry switch through the clock port, and provides 16kHz timing to the TEOW after dividing the clock. 3.11.2.6 Interface (see 4.7.11.2.6) The block diagram of the MEAE interface is shown in Figure 4.
16kHz clock
Switch
512kHz clock
Service line circuit
Figure 4 Block diagram of the MEAF interface
, the interface between MEAE and the terminated TFO)W is the G interface; b, the interface between MEAE and the service line circuit is the G interface: the characteristics of interface G should comply with Article 9.4 of GB/T13427. e. The interface for MEAE to receive the 512kHz clock sent by the switch is a TTL level interface; d. The interface for MEAE to send the 16kHz clock is a TTL level interface. 3.11.2.7 Broadcast signaling (see 4.7.11.2.7). When selecting the service circuit to receive the broadcast, MEAE should be able to ensure that all the intermediate service line terminals on the selected service line circuit can only receive but not send;
b Send "call signaling" through the TE ()W connected to the MEAE terminal to initiate the broadcast. 3.12 Power adaptability and power consumption
3.12.1 Power adaptability (see 4.12.1)
When the power supply voltage changes within the following range, the performance characteristics of the equipment should meet the requirements: a. AC input voltage:
220V+%, 50H2± 5% ;
1. DC input voltage:
24V, negative pole grounded.
3.12.2 Power consumption (see 4.7.12.2)
a, AC: not more than 10W;
h. DC: not more than 5W.
Or specified by product specifications.
3.12.3 AC/DC switching (see 4.7.12.3) AC/DC automatic, non-inductive switching.
3.13 Environmental requirements
Environmental requirements Except for the following items, other requirements of product specifications are selected according to the relevant provisions of GIB367.2. 3. 13.1 Low temperature
TWorking temperature is the same as 1.3.2, storage temperature is -55C. 18
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3.13.2 High temperature
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T. Operating temperature is the same as in 1.3.2, storage temperature is 70. 3.13.3 Temperature shock
Test temperature: high temperature is 70℃, low temperature is -55℃, test time: not less than 4h;
Number of cycles: 3 times;
Conversion time: not more than 5min.
3.13.4 Damp heat
Temperature: 30~60℃
Relative humidity: 95%;
Test period: 24h ;
d. Number of cycles: 10 times.
3.13.5 Shock
The equipment under test shall be able to withstand a half-sine shock pulse such as a speed of 147m/s2 or a post-peak sawtooth shock pulse such as a speed of 196m/s2, with a pulse width (duration) of 11ms and a number of impulses of 18 times. 3.13.6 Vibration
Use sine sweep vibration. See Table 5 for test parameters. Table 5
Frequency range
5.5 --200
3.13.7 Rain
(Double-width)
Acceleration
Test time
min/kmm
30/1600
Test time for each axis
Maximum test time
Scanning time
(S~200 ~ 5Hz)
The equipment under test can withstand rain falling uniformly from a height of 1m (the water level in the distributor is 75mm, and the water volume is 280L/m2.h) for 15min, and should be able to work normally. 3.14 Electromagnetic compatibility
3.14.1 Conducted emission
CE0315kHz50MHz power line conducted emission should comply with the provisions of Chapter 3 of GJB 151.4. 3.14.2 Conducted sensitivity
CS02 The conducted sensitivity of the power line from 50kHz to 400MHz shall comply with the provisions of Chapter 7 of GJB151.4: h. CS06 The conducted sensitivity of the spike signal of the power line shall comply with the provisions of Chapter 11 of GJB 151.4. 3.14.3 Radiated emission
RE02 The radiated emission of the electric field from 14kI[z to 10GHz shall comply with the provisions of Chapter 15 of GJB 151.4. 3.14.4 Radiated sensitivity
RS03 The radiated sensitivity of the electric field from 14kHz to 10GHz shall comply with the provisions of Chapter 19 of GIB 151.4. 3.15 Reliability
The lower limit of the mean time between failures: MTBF () is recommended to be: a. Equipment: 825000h; b. Unit: 89000h.
Or specified by the product specification.
4 Quality Assurance Provisions
4.1 Inspection Responsibility
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Unless otherwise specified in the contract or order, the contractor shall be responsible for completing all inspections specified in this specification. If necessary, the ordering party or the superior appraisal agency has the right to inspect any inspection items specified in the specification. 4.1.1 Qualification Responsibility
All products must meet all requirements of Chapter 3 and Chapter 5 of the specification. The inspections specified in this specification shall become an integral part of the contractor's entire inspection system. If the contract includes inspection requirements not specified in this specification, the contractor shall also ensure that the products submitted for acceptance meet the contract requirements. Quality consistency sampling does not allow the submission of products that are known to be defective, nor can the ordering party be required to accept defective products.
4.2 Inspection Classification
The inspections specified in this specification are divided into:
a. Appraisal inspection;
b. Quality consistency inspection.
4.3 Test conditions
Unless otherwise specified, the test shall be conducted under the following standard atmospheric conditions: a. Temperature: 15~35;
b. Relative humidity: 20%~80%:
c. Air pressure: the air pressure of the test site.
4.4 Qualification test
Qualification test is generally conducted during design and production finalization. When the main design, process, components and materials of the equipment have major changes that affect the importance of the equipment and can make the original qualification results no longer valid, qualification test should also be conducted. Qualification test shall be conducted in a laboratory approved by the ordering party or the superior qualification agency. 4.4.1 Sample size
Fixed samples are used for qualification test, and the sample size shall generally not be less than two units of products or the product specifications. Note: The sample size of reliability, electromagnetic compatibility and other tests shall be in accordance with the contract provisions or agreed upon by the contractor and the ordering party. 4.4.2 Inspection items
Identification inspection items are shown in Table 6.
Inspection quality
Appearance quality
Dimensions and weight
! Inspection
Quality-Conformity Inspection
Chapter, Article Number
Test Method
Chapter, Article Number
ITKAONKAca-It should have the function of detecting the emergency call signaling on all service line circuits and be able to maintain it for a certain period of time:
b. During the connection period, MEAE should have the function of detecting the emergency call signaling on all service line circuits except the connected service line circuit and be able to maintain it for a certain period of time; the holding time should be no less than 10s.
3.11.2.5 Timing (see 4.7.11.2.5)
a. The timing used by MEAE to detect the signal or signaling is extracted from the received signal; b. When the TEOW terminated by MEAE acts as the call initiator, the timing used is provided by MEAE: MEAE inputs a 512kHz group clock synchronized with the transmission direction from the node switch or the entry switch through the clock port, and provides 16kHz timing to the TEOW after dividing the clock. 3.11.2.6 Interface (see 4.7.11.2.6) The block diagram of the MEAE interface is shown in Figure 4.
16kHz clock
Switch
512kHz clock
Service line circuit
Figure 4 Block diagram of the MEAF interface
, the interface between MEAE and the terminated TFO)W is the G interface; b, the interface between MEAE and the service line circuit is the G interface: the characteristics of interface G should comply with Article 9.4 of GB/T13427. e. The interface for MEAE to receive the 512kHz clock sent by the switch is a TTL level interface; d. The interface for MEAE to send the 16kHz clock is a TTL level interface. 3.11.2.7 Broadcast signaling (see 4.7.11.2.7). When selecting the service circuit to receive the broadcast, MEAE should be able to ensure that all the intermediate service line terminals on the selected service line circuit can only receive but not send;
b Send "call signaling" through the TE ()W connected to the MEAE terminal to initiate the broadcast. 3.12 Power adaptability and power consumption
3.12.1 Power adaptability (see 4.12.1)
When the power supply voltage changes within the following range, the performance characteristics of the equipment should meet the requirements: a. AC input voltage:
220V+%, 50H2± 5% ;
1. DC input voltage:
24V, negative pole grounded.
3.12.2 Power consumption (see 4.7.12.2)
a, AC: not more than 10W;
h. DC: not more than 5W.
Or specified by product specifications.
3.12.3 AC/DC switching (see 4.7.12.3) AC/DC automatic, non-inductive switching.
3.13 Environmental requirements
Environmental requirements Except for the following items, other requirements of product specifications are selected according to the relevant provisions of GIB367.2. 3. 13.1 Low temperature
TWorking temperature is the same as 1.3.2, storage temperature is -55C. 18
TKAOKAca-
3.13.2 High temperature
SJ 20586 96
T. Operating temperature is the same as in 1.3.2, storage temperature is 70. 3.13.3 Temperature shock
Test temperature: high temperature is 70℃, low temperature is -55℃, test time: not less than 4h;
Number of cycles: 3 times;
Conversion time: not more than 5min.
3.13.4 Damp heat
Temperature: 30~60℃
Relative humidity: 95%;
Test period: 24h ;
d. Number of cycles: 10 times.
3.13.5 Shock
The equipment under test shall be able to withstand a half-sine shock pulse such as a speed of 147m/s2 or a post-peak sawtooth shock pulse such as a speed of 196m/s2, with a pulse width (duration) of 11ms and a number of impulses of 18 times. 3.13.6 Vibration
Use sine sweep vibration. See Table 5 for test parameters. Table 5
Frequency range
5.5 --200
3.13.7 Rain
(Double-width)
Acceleration
Test time
min/kmm
30/1600
Test time for each axis
Maximum test time
Scanning time
(S~200 ~ 5Hz)
The equipment under test can withstand rain falling uniformly from a height of 1m (the water level in the distributor is 75mm, and the water volume is 280L/m2.h) for 15min, and should be able to work normally. 3.14 Electromagnetic compatibility
3.14.1 Conducted emission
CE0315kHz50MHz power line conducted emission should comply with the provisions of Chapter 3 of GJB 151.4. 3.14.2 Conducted sensitivity
CS02 The conducted sensitivity of the power line from 50kHz to 400MHz shall comply with the provisions of Chapter 7 of GJB151.4: h. CS06 The conducted sensitivity of the spike signal of the power line shall comply with the provisions of Chapter 11 of GJB 151.4. 3.14.3 Radiated emission
RE02 The radiated emission of the electric field from 14kI[z to 10GHz shall comply with the provisions of Chapter 15 of GJB 151.4. 3.14.4 Radiated sensitivity
RS03 The radiated sensitivity of the electric field from 14kHz to 10GHz shall comply with the provisions of Chapter 19 of GIB 151.4. 3.15 Reliability
The lower limit of the mean time between failures: MTBF () is recommended to be: a. Equipment: 825000h; b. Unit: 89000h.
Or specified by the product specification.
4 Quality Assurance Provisions
4.1 Inspection Responsibility
SJ20586-96
Unless otherwise specified in the contract or order, the contractor shall be responsible for completing all inspections specified in this specification. If necessary, the ordering party or the superior appraisal agency has the right to inspect any inspection items specified in the specification. 4.1.1 Qualification Responsibility
All products must meet all requirements of Chapter 3 and Chapter 5 of the specification. The inspections specified in this specification shall become an integral part of the contractor's entire inspection system. If the contract includes inspection requirements not specified in this specification, the contractor shall also ensure that the products submitted for acceptance meet the contract requirements. Quality consistency sampling does not allow the submission of products that are known to be defective, nor can the ordering party be required to accept defective products.
4.2 Inspection Classification
The inspections specified in this specification are divided into:
a. Appraisal inspection;
b. Quality consistency inspection.
4.3 Test conditions
Unless otherwise specified, the test shall be conducted under the following standard atmospheric conditions: a. Temperature: 15~35;
b. Relative humidity: 20%~80%:
c. Air pressure: the air pressure of the test site.
4.4 Qualification test
Qualification test is generally conducted during design and production finalization. When the main design, process, components and materials of the equipment have major changes that affect the importance of the equipment and can make the original qualification results no longer valid, qualification test should also be conducted. Qualification test shall be conducted in a laboratory approved by the ordering party or the superior qualification agency. 4.4.1 Sample size
Fixed samples are used for qualification test, and the sample size shall generally not be less than two units of products or the product specifications. Note: The sample size of reliability, electromagnetic compatibility and other tests shall be in accordance with the contract provisions or agreed upon by the contractor and the ordering party. 4.4.2 Inspection items
Identification inspection items are shown in Table 6.
Inspection quality
Appearance quality
Dimensions and weight
! Inspection
Quality-Conformity Inspection
Chapter, Article Number
Test Method
Chapter, Article Number
ITKAONKAca-6) The block diagram of the MEAE interface is shown in Figure 4.
16kHz clock
Switch
512kHz clock
Service line circuit
Figure 4 Block diagram of the MEAE interface
, a. The interface between MEAE and the terminated TFO)W is a G interface; b. The interface between MEAE and the service line circuit is a G interface: the characteristics of interface G should comply with Article 9.4 of GB/T13427. e. The interface for MEAE to receive the 512kHz clock sent by the switch is a TTL level interface; d. The interface for MEAE to send the 16kHz clock is a TTL level interface. 3.11.2.7 Broadcast signaling (see 4.7.11.2.7). When selecting the service circuit to receive the broadcast, MEAE should be able to ensure that all the intermediate service line terminals on the selected service line circuit can only receive but not send;
b Send "call signaling" through the TE ()W connected to the MEAE terminal to initiate the broadcast. 3.12 Power adaptability and power consumption
3.12.1 Power adaptability (see 4.12.1)
When the power supply voltage changes within the following range, the performance characteristics of the equipment should meet the requirements: a. AC input voltage:
220V+%, 50H2± 5% ;
1. DC input voltage:
24V, negative pole grounded.
3.12.2 Power consumption (see 4.7.12.2)
a, AC: not more than 10W;
h. DC: not more than 5W.
Or specified by product specifications.
3.12.3 AC/DC switching (see 4.7.12.3) AC/DC automatic, non-inductive switching.
3.13 Environmental requirements
Environmental requirements Except for the following items, other requirements of product specifications are selected according to the relevant provisions of GIB367.2. 3. 13.1 Low temperature
TWorking temperature is the same as 1.3.2, storage temperature is -55C. 18
TKAOKAca-
3.13.2 High temperature
SJ 20586 96
T. Operating temperature is the same as in 1.3.2, storage temperature is 70. 3.13.3 Temperature shock
Test temperature: high temperature is 70℃, low temperature is -55℃, test time: not less than 4h;
Number of cycles: 3 times;
Conversion time: not more than 5min.
3.13.4 Damp heat
Temperature: 30~60℃
Relative humidity: 95%;
Test period: 24h ;
d. Number of cycles: 10 times.
3.13.5 Shock
The equipment under test shall be able to withstand a half-sine shock pulse such as a speed of 147m/s2 or a post-peak sawtooth shock pulse such as a speed of 196m/s2, with a pulse width (duration) of 11ms and a number of impulses of 18 times. 3.13.6 Vibration
Use sine sweep vibration. See Table 5 for test parameters. Table 5
Frequency range
5.5 --200
3.13.7 Rain
(Double-width)
Acceleration
Test time
min/kmm
30/1600
Test time for each axis
Maximum test time
Scanning time
(S~200 ~ 5Hz)
The equipment under test can withstand rain falling uniformly from a height of 1m (the water level in the distributor is 75mm, and the water volume is 280L/m2.h) for 15min, and should be able to work normally. 3.14 Electromagnetic compatibility
3.14.1 Conducted emission
CE0315kHz50MHz power line conducted emission should comply with the provisions of Chapter 3 of GJB 151.4. 3.14.2 Conducted sensitivity
CS02 The conducted sensitivity of the power line from 50kHz to 400MHz shall comply with the provisions of Chapter 7 of GJB151.4: h. CS06 The conducted sensitivity of the spike signal of the power line shall comply with the provisions of Chapter 11 of GJB 151.4. 3.14.3 Radiated emission
RE02 The radiated emission of the electric field from 14kI[z to 10GHz shall comply with the provisions of Chapter 15 of GJB 151.4. 3.14.4 Radiated sensitivity
RS03 The radiated sensitivity of the electric field from 14kHz to 10GHz shall comply with the provisions of Chapter 19 of GIB 151.4. 3.15 Reliability
The lower limit of the mean time between failures: MTBF () is recommended to be: a. Equipment: 825000h; b. Unit: 89000h.
Or specified by the product specification.
4 Quality Assurance Provisions
4.1 Inspection Responsibility
SJ20586-96
Unless otherwise specified in the contract or order, the contractor shall be responsible for completing all inspections specified in this specification. If necessary, the ordering party or the superior appraisal agency has the right to inspect any inspection items specified in the specification. 4.1.1 Qualification Responsibility
All products must meet all requirements of Chapter 3 and Chapter 5 of the specification. The inspections specified in this specification shall become an integral part of the contractor's entire inspection system. If the contract includes inspection requirements not specified in this specification, the contractor shall also ensure that the products submitted for acceptance meet the contract requirements. Quality consistency sampling does not allow the submission of products that are known to be defective, nor can the ordering party be required to accept defective products.
4.2 Inspection Classification
The inspections specified in this specification are divided into:
a. Appraisal inspection;
b. Quality consistency inspection.
4.3 Test conditions
Unless otherwise specified, the test shall be conducted under the following standard atmospheric conditions: a. Temperature: 15~35;
b. Relative humidity: 20%~80%:
c. Air pressure: the air pressure of the test site.
4.4 Qualification test
Qualification test is generally conducted during design and production finalization. When the main design, process, components and materials of the equipment have major changes that affect the importance of the equipment and can make the original qualification results no longer valid, qualification test should also be conducted. Qualification test shall be conducted in a laboratory approved by the ordering party or the superior qualification agency. 4.4.1 Sample size
Fixed samples are used for qualification test, and the sample size shall generally not be less than two units of products or the product specifications. Note: The sample size of reliability, electromagnetic compatibility and other tests shall be in accordance with the contract provisions or agreed upon by the contractor and the ordering party. 4.4.2 Inspection items
Identification inspection items are shown in Table 6.
Inspection quality
Appearance quality
Dimensions and weight
! Inspection
Quality-Conformity Inspection
Chapter, Article Number
Test Method
Chapter, Article Number
ITKAONKAca-6) The block diagram of the MEAE interface is shown in Figure 4.
16kHz clock
Switch
512kHz clock
Service line circuit
Figure 4 Block diagram of the MEAE interface
, a. The interface between MEAE and the terminated TFO)W is a G interface; b. The interface between MEAE and the service line circuit is a G interface: the characteristics of interface G should comply with Article 9.4 of GB/T13427. e. The interface for MEAE to receive the 512kHz clock sent by the switch is a TTL level interface; d. The interface for MEAE to send the 16kHz clock is a TTL level interface. 3.11.2.7 Broadcast signaling (see 4.7.11.2.7). When selecting the service circuit to receive the broadcast, MEAE should be able to ensure that all the intermediate service line terminals on the selected service line circuit can only receive but not send;
b Send "call signaling" through the TE ()W connected to the MEAE terminal to initiate the broadcast. 3.12 Power adaptability and power consumption
3.12.1 Power adaptability (see 4.12.1)
When the power supply voltage changes within the following range, the performance characteristics of the equipment should meet the requirements: a. AC input voltage:
220V+%, 50H2± 5% ;
1. DC input voltage:
24V, negative pole grounded.
3.12.2 Power consumption (see 4.7.12.2)
a, AC: not more than 10W;
h. DC: not more than 5W.
Or specified by product specifications.
3.12.3 AC/DC switching (see 4.7.12.3) AC/DC automatic, non-inductive switching.
3.13 Environmental requirements
Environmental requirements Except for the following items, other requirements of product specifications are selected according to the relevant provisions of GIB367.2. 3. 13.1 Low temperature
TWorking temperature is the same as 1.3.2, storage temperature is -55C. 18
TKAOKAca-
3.13.2 High temperature
SJ 20586 96
T. Operating temperature is the same as in 1.3.2, storage temperature is 70. 3.13.3 Temperature shock
Test temperature: high temperature is 70℃, low temperature is -55℃, test time: not less than 4h;
Number of cycles: 3 times;
Conversion time: not more than 5min.
3.13.4 Damp heat
Temperature: 30~60℃
Relative humidity: 95%;
Test period: 24h ;
d. Number of cycles: 10 times.
3.13.5 Shock
The equipment under test shall be able to withstand a half-sine shock pulse such as a speed of 147m/s2 or a post-peak sawtooth shock pulse such as a speed of 196m/s2, with a pulse width (duration) of 11ms and a number of impulses of 18 times. 3.13.6 Vibration
Use sine sweep vibration. See Table 5 for test parameters. Table 5
Frequency range
5.5 --200
3.13.7 Rain
(Double-width)
Acceleration
Test time
min/kmm
30/1600
Test time for each axis
Maximum test time
Scanning time
(S~200 ~ 5Hz)
The equipment under test can withstand rain falling uniformly from a height of 1m (the water level in the distributor is 75mm, and the water volume is 280L/m2.h) for 15min, and should be able to work normally. 3.14 Electromagnetic compatibility
3.14.1 Conducted emission
CE0315kHz50MHz power line conducted emission should comply with the provisions of Chapter 3 of GJB 151.4. 3.14.2 Conducted sensitivity
CS02 The conducted sensitivity of the power line from 50kHz to 400MHz shall comply with the provisions of Chapter 7 of GJB151.4: h. CS06 The conducted sensitivity of the spike signal of the power line shall comply with the provisions of Chapter 11 of GJB 151.4. 3.14.3 Radiated emission
RE02 The radiated emission of the electric field from 14kI[z to 10GHz shall comply with the provisions of Chapter 15 of GJB 151.4. 3.14.4 Radiated sensitivity
RS03 The radiated sensitivity of the electric field from 14kHz to 10GHz shall comply with the provisions of Chapter 19 of GIB 151.4. 3.15 Reliability
The lower limit of the mean time between failures: MTBF () is recommended to be: a. Equipment: 825000h; b. Unit: 89000h.
Or specified by the product specification.
4 Quality Assurance Provisions
4.1 Inspection Responsibility
SJ20586-96
Unless otherwise specified in the contract or order, the contractor shall be responsible for completing all inspections specified in this specification. If necessary, the ordering party or the superior appraisal agency has the right to inspect any inspection items specified in the specification. 4.1.1 Qualification Responsibility
All products must meet all requirements of Chapter 3 and Chapter 5 of the specification. The inspections specified in this specification shall become an integral part of the contractor's entire inspection system. If the contract includes inspection requirements not specified in this specification, the contractor shall also ensure that the products submitted for acceptance meet the contract requirements. Quality consistency sampling does not allow the submission of products that are known to be defective, nor can the ordering party be required to accept defective products.
4.2 Inspection Classification
The inspections specified in this specification are divided into:
a. Appraisal inspection;
b. Quality consistency inspection.
4.3 Test conditions
Unless otherwise specified, the test shall be conducted under the following standard atmospheric conditions: a. Temperature: 15~35;
b. Relative humidity: 20%~80%:
c. Air pressure: the air pressure of the test site.
4.4 Qualification test
Qualification test is generally conducted during design and production finalization. When the main design, process, components and materials of the equipment have major changes that affect the importance of the equipment and can make the original qualification results no longer valid, qualification test should also be conducted. Qualification test shall be conducted in a laboratory approved by the ordering party or the superior qualification agency. 4.4.1 Sample size
Fixed samples are used for qualification test, and the sample size shall generally not be less than two units of products or the product specifications. Note: The sample size of reliability, electromagnetic compatibility and other tests shall be in accordance with the contract provisions or agreed upon by the contractor and the ordering party. 4.4.2 Inspection items
Identification inspection items are shown in Table 6.
Inspection quality
Appearance quality
Dimensions and weight
! Inspection
Quality-Conformity Inspection
Chapter, Article Number
Test Method
Chapter, Article Number
ITKAONKAca-Storage temperature -55C. 18
TKAOKAca-
3.13.2 High temperature
SJ 20586 96
T. Operating temperature is the same as 1.3.2, storage temperature is 70. 3.13.3 Temperature shock
Test temperature: high temperature is 70C, low temperature is -55℃, test time: not less than 4h;
Number of cycles: 3 times;
Conversion time: not more than 5min.
3.13.4 Damp heat
Temperature: 30~60℃
Relative humidity: 95%;
Test period: 24h;
d. Number of cycles: 10 times.
3.13.5 Shock
The equipment under test shall be able to withstand a half-sine shock pulse with a speed of 147m/s2 or a post-peak sawtooth shock pulse with a speed of 196m/s2, with a pulse width (duration) of 11ms and 18 impulses. 3.13.6 Vibration
Use sine swept frequency vibration. See Table 5 for test parameters. Table 5
Frequency range
5.5 --200
3.13.7 Rain
(Double amplitude)
Acceleration
Test time
min/kmm
30/1600
Test time for each axis
Maximum test time
Sweep time
(S~200 ~ 5Hz)
The equipment under test can withstand the rain falling uniformly from a height of 1m (the water level in the distributor is 75mm, and the water volume is 280L/m2.h) for 15min, and should be able to work normally. 3.14 Electromagnetic compatibility
3.14.1 Conducted emission
CE0315kHz50MHz Power line conducted emission should comply with the provisions of Chapter 3 of GJB 151.4. 3.14.2 Conducted sensitivity
CS02 The conducted sensitivity of the power line from 50kHz to 400MHz shall comply with the provisions of Chapter 7 of GJB151.4: h. CS06 The conducted sensitivity of the spike signal of the power line shall comply with the provisions of Chapter 11 of GJB 151.4. 3.14.3 Radiated emission
RE02 The radiated emission of the electric field from 14kI[z to 10GHz shall comply with the provisions of Chapter 15 of GJB 151.4. 3.14.4 Radiated sensitivity
RS03 The radiated sensitivity of the electric field from 14kHz to 10GHz shall comply with the provisions of Chapter 19 of GIB 151.4. 3.15 Reliability
The lower limit of the mean time between failures: MTBF () is recommended to be: a. Equipment: 825000h; b. Unit: 89000h.
Or specified by the product specification.
4 Quality Assurance Provisions
4.1 Inspection Responsibility
SJ20586-96
Unless otherwise specified in the contract or order, the contractor shall be responsible for completing all inspections specified in this specification. If necessary, the ordering party or the superior appraisal agency has the right to inspect any inspection items specified in the specification. 4.1.1 Qualification Responsibility
All products must meet all requirements of Chapter 3 and Chapter 5 of the specification. The inspections specified in this specification shall become an integral part of the contractor's entire inspection system. If the contract includes inspection requirements not specified in this specification, the contractor shall also ensure that the products submitted for acceptance meet the contract requirements. Quality consistency sampling does not allow the submission of products that are known to be defective, nor can the ordering party be required to accept defective products.
4.2 Inspection Classification
The inspections specified in this specification are divided into:
a. Appraisal inspection;
b. Quality consistency inspection.
4.3 Test conditions
Unless otherwise specified, the test shall be conducted under the following standard atmospheric conditions: a. Temperature: 15~35;
b. Relative humidity: 20%~80%:
c. Air pressure: the air pressure of the test site.
4.4 Qualification test
Qualification test is generally conducted during design and production finalization. When the main design, process, components and materials of the equipment have major changes that affect the importance of the equipment and can make the original qualification results no longer valid, qualification test should also be conducted. Qualification test shall be conducted in a laboratory approved by the ordering party or the superior qualification agency. 4.4.1 Sample size
Fixed samples are used for qualification test, and the sample size shall generally not be less than two units of products or the product specifications. Note: The sample size of reliability, electromagnetic compatibility and other tests shall be in accordance with the contract provisions or agreed upon by the contractor and the ordering party. 4.4.2 Inspection items
Identification inspection items are shown in Table 6.
Inspection quality
Appearance quality
Dimensions and weight
! Inspection
Quality-Conformity Inspection
Chapter, Article Number
Test Method
Chapter, Article Number
ITKAONKAca-Storage temperature -55C. 18
TKAOKAca-
3.13.2 High temperature
SJ 20586 96
T. Operating temperature is the same as 1.3.2, storage temperature is 70. 3.13.3 Temperature shock
Test temperature: high temperature is 70C, low temperature is -55℃, test time: not less than 4h;
Number of cycles: 3 times;
Conversion time: not more than 5min.
3.13.4 Damp heat
Temperature: 30~60℃
Relative humidity: 95%;
Test period: 24h;
d. Number of cycles: 10 times.
3.13.5 Shock
The equipment under test shall be able to withstand a half-sine shock pulse with a speed of 147m/s2 or a post-peak sawtooth shock pulse with a speed of 196m/s2, with a pulse width (duration) of 11ms and 18 impulses. 3.13.6 Vibration
Use sine swept frequency vibration. See Table 5 for test parameters. Table 5
Frequency range
5.5 --200
3.13.7 Rain
(Double amplitude)
Acceleration
Test time
min/kmm
30/1600
Test time for each axis
Maximum test time
Sweep time
(S~200 ~ 5Hz)
The equipment under test can withstand the rain falling uniformly from a height of 1m (the water level in the distributor is 75mm, and the water volume is 280L/m2.h) for 15min, and should be able to work normally. 3.14 Electromagnetic compatibility
3.14.1 Conducted emission
CE0315kHz50MHz Power line conducted emission should comply with the provisions of Chapter 3 of GJB 151.4. 3.14.2 Conducted sensitivity
CS02 The conducted sensitivity of the power line from 50kHz to 400MHz shall comply with the provisions of Chapter 7 of GJB151.4: h. CS06 The conducted sensitivity of the spike signal of the power line shall comply with the provisions of Chapter 11 of GJB 151.4. 3.14.3 Radiated emission
RE02 The radiated emission of the electric field from 14kI[z to 10GHz shall comply with the provisions of Chapter 15 of GJB 151.4. 3.14.4 Radiated sensitivity
RS03 The radiated sensitivity of the electric field from 14kHz to 10GHz shall comply with the provisions of Chapter 19 of GIB 151.4. 3.15 Reliability
The lower limit of the mean time between failures: MTBF () is recommended to be: a. Equipment: 825000h; b. Unit: 89000h.
Or specified by the product specification.
4 Quality Assurance Provisions
4.1 Inspection Responsibility
SJ20586-96
Unless otherwise specified in the contract or order, the contractor shall be responsible for completing all inspections specified in this specification. If necessary, the ordering party or the superior appraisal agency has the right to inspect any inspection items specified in the specification. 4.1.1 Qualification Responsibility
All products must meet all requirements of Chapter 3 and Chapter 5 of the specification. The inspections specified in this specification shall become an integral part of the contractor's entire inspection system. If the contract includes inspection requirements not specified in this specification, the contractor shall also ensure that the products submitted for acceptance meet the contract requirements. Quality consistency sampling does not allow the submission of products that are known to be defective, nor can the ordering party be required to accept defective products.
4.2 Inspection Classification
The inspections specified in this specification are divided into:
a. Appraisal inspection;
b. Quality consistency inspection.
4.3 Test conditions
Unless otherwise specified, the test shall be conducted under the following standard atmospheric conditions: a. Temperature: 15~35;
b. Relative humidity: 20%~80%:
c. Air pressure: the air pressure of the test site.
4.4 Qualification test
Qualification test is generally conducted during design and production finalization. When the main design, process, components and materials of the equipment have major changes that affect the importance of the equipment and can make the original qualification results no longer valid, qualification test should also be conducted. Qualification test shall be conducted in a laboratory approved by the ordering party or the superior qualification agency. 4.4.1 Sample size
Fixed samples are used for qualification test, and the sample size shall generally not be less than two units of products or the product specifications. Note: The sample size of reliability, electromagnetic compatibility and other tests shall be in accordance with the contract provisions or agreed upon by the contractor and the ordering party. 4.4.2 Inspection items
Identification inspection items are shown in Table 6.
Inspection quality
Appearance quality
Dimensions and weight
! Inspection
Quality-Conformity Inspection
Chapter, Article Number
Test Method
Chapter, Article Number
ITKAONKAca-3 Inspection conditions
Unless otherwise specified, the inspection shall be carried out under the following standard atmospheric conditions: a. Temperature: 15~35;
b. Relative humidity: 20%~80%:
c. Air pressure: the air pressure of the test site.
4.4 Qualification inspection
Qualification inspection is generally carried out when the design is finalized and the production is finalized. When the main design, process, components and materials of the equipment have major changes that affect the importance of the equipment and can make the original qualification results no longer valid, qualification inspection should also be carried out. Qualification inspection shall be carried out in a laboratory approved by the ordering party or the superior qualification agency. 4.4.1 Sample size
The samples for qualification inspection shall be fixed samples, and the sample size shall generally not be less than two units of products or the product specifications. Note: The sample size of reliability, electromagnetic compatibility and other tests shall be in accordance with the contract provisions or agreed upon by the contractor and the ordering party. 4.4.2 Inspection item date
The identification inspection item date is shown in Table 6.
Inspection
Appearance quality
Dimensions and weight
! Inspection
Quality-Conformity Inspection
Section, Article Number
Test Method
Section, Article Number
ITKAONKAca-3 Inspection conditions
Unless otherwise specified, the inspection shall be carried out under the following standard atmospheric conditions: a. Temperature: 15~35;
b. Relative humidity: 20%~80%:
c. Air pressure: the air pressure of the test site.
4.4 Qualification inspection
Qualification inspection is generally carried out when the design is
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