SJ 20679-1998 General specification for communication user interface modules
Some standard content:
Military Standard of the Electronic Industry of the People's Republic of China FL5963
SJ20679—1998
General specification for communication subscriber interface modules Issued on March 18, 1998
Implemented on May 1, 1998
Approved by the Ministry of Electronics Industry of the People's Republic of China 1
Referenced Documents
Quality Assurance Provisions
Delivery Preparation
Notes
Appendix A Defect Classification (Supplement)
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(20）
(20）
1 Scope
Military Standard of the Electronic Industry of the People's Republic of China General specification for communication subscriber interface modules
General specification for comnunicationSubscriber interface modules1.1 Subject Content
SJ 20679—1998
This specification specifies the classification, requirements, quality assurance regulations and delivery preparation of communication user interface modules (hereinafter referred to as modules).
1.2 Scope of application
This specification applies to the user interface of multiplexing equipment, terminal equipment, switches, control equipment and line terminals in communication networks, and is the basic basis for design, manufacture, inspection and acceptance. 1.3 Classification
1.3.1 User type
For classification by user type, see Table 1
User type
1.3.2 Environmental level
For classification by high and low temperature working temperature severity, it is divided into Level 1 and Level I, see Table 2. The Ministry of Electronics Industry of the People's Republic of China issued the opinion on March 18, 1998
Analog user interface
Data user interface
Digital user interface
1998-05-01
2 Reference documents
SJ20679-1998
GB/T12640-90 Measurement method for digital microwave relay communication equipment GB/T13428-92 Measurement method for incremental modulation terminal equipment Operating temperature
-40~85
GJB151A-97 Requirements for electromagnetic emission and sensitivity of military equipment and subsystems GJB152A-97 Measurement of magnetic emission and sensitivity of military equipment and subsystems GJB179A-96 Count sampling inspection set procedures and tables GJB3G7.2--87 General technical conditions and environmental test methods for military communication equipment GIB 367.3--87 General technical conditions for military communication equipment Reliability identification test and acceptance test methods GJB367.5-87 General technical conditions for military communication equipment Packaging, transmission and storage requirements GJB 1142.2-91 Basic parameters of field integrated communication system System characteristics GJB2072--94 Maintainability test and evaluation
3 Requirements
3.1 Qualification identification
Products that are modified according to this specification should be qualified products or approved for finalization. 3.2 Module composition and main indicators
3.2.1 Module composition
3.2.1.1 Analog user interface module
Analog user interface module composition Figure 1.
iiKAoNrKAca-
(four-line transmission)
four-edge reception
M signaling
net detection
H signaling transmission circuit
ring current detection
line conversion
balanced Li
converter
SJ20679—1998
switch
direct washing road
decoder
E signaling reception
receiving circuit
Figure 1 Block diagram of analog user interface module
3.2.1.2 Digital user interface module
The composition of the mathematical user interface module is shown in Figure 2.
Detection signal out
Chip select signal
Reset signal
2048kbit/s
Read control
Receive data
Send data
Data in
Data out
Send interface
Controller
Receive interface
SJ 20679—1998
Case two-phase
Transmitter
Echo canceler
Figure 2 Digital user interface module diagram
3.2.1.3 Data user interface module
The composition of the data user interface module is shown in Figure 3.
Send filtering and
Slow-release vibration
Condition 2
Goose receiver
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Data output
Output permission
Data input
Crystal oscillator input
Four shallow transmission
System clock 16k/32k
Digital phase lock
Local 24.576MHz
3.2.2 Module main indicators
SJ20679-1998
Data, axis interpretation
Interface type
Data Correction
Class 1 data child recovery
Class 4 data
Control class data
12.288MHz
Classification chain
Divider
L-19.2kHz
16kHz/32kHz
Four types
Figure 3 Block diagram of data user interface module
3.2.2.1 Analog user interface module
3.2.2.1.1 Input and output levels (see 4.7.1.11) Code transmission
Bile line reception
Transmission timing
SJ 20679-1998
2-wire input level: 0dBm (balanced 600): 2-wire output level: -4dBm±1dBm (balanced 60092): 4-wire input level: -4dBm (balanced 600Q): 4-wire output level: -4dBm±1dBm (balanced 600Q). 3.2.2.1.2 Unbalance to ground (see 4.7.1.1.2) Input and output should be balanced, and the unbalance to ground should not be less than 40dB. 4-wire: should be greater than 48dB.
3.2.2.1,3 Return loss (see 4.7.1.1.3) should comply with the provisions of 5.8.4.2 of GJB1142.2. 3.2.2.1.4 Frequency attenuation distortion (see 4.7.1.1.4) shall comply with the provisions of 5.8.4.4 of GJB1142.2. 3.2.2.1.5 Gain variation with input level (see 4.7.1.1.5) shall comply with the provisions of 5.8.4.5 of GJB1142.2. 3.2.2.1.6 Idle noise (see 4.7.1, 1.6) shall comply with the provisions of 5.8.4.6 of GJB1142.2. 3.2.2.1.7 The variation of quantization and harmonic distortion with input level (see 4.7.1.1.7) shall comply with the provisions of 5.8.4.7 of GJB1142.2. 3.2.2.1.8 Intermodulation distortion (see 4.7.1.1.8) The intermodulation level of each component of the channel shall be less than 25dB of the signal level. 3.2.2.2 Digital user interface module
3.2.2.2.1 Bit rate and tolerance (see 4.7.1.2.1) Nominal bit rate: 16kbit/s:
Tolerance: ±50×10-.
3.2.2.2.2 Input impedance and return loss (see 4.7.1.2.2) The input impedance is 130Ω; the return loss is tested on a 130Ω load resistor. When 4~8.8kHz, the return loss is better than 16 dB.
3.2.2.2.3 Balanced input and output (see 4.7.1.2.3) Input and output ports shall be balanced.
3.2.2.2.4 Transmit voltage (see 4.7.1.2.4)) Four-wire connection: 2V;
Two-wire connection: 1V.
3.2.2.2.5 Output signal (see 4.7.1.2.5) When the output signal of the line interface is measured across the 1302 load resistor, the ratio of the positive and negative impulse amplitudes becomes -6 -
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1±0.05. The waveform is specified by the product specification. 3.2.2.2.6 Attenuation (see 4.7.1.2.6)
SJ 20679—1998
The corresponding attenuation introduced between the input and output of the module should be less than 21 dB for four-wire connection;
less than 15 dB for two-wire connection.
3.2.2.3 Data user interface module
3.2.2.3.1 Data classification
For data classification, see 5.9.3.2 of GJB 1142.23.2.2.3.2 The first type of data bit error rate (see 4.7.1.3.1) At the data interface, the received data bit error rate should be equal to the code carrier circuit bit error rate. 3.2.2.3.3 The second type of data bit error rate (see 4.7.1.3.2) When the code carrier circuit bit error rate Pe≤1x10-2, the data bit error rate Pe≤1x10- at the data interface. 3.2.2. 3.4 The third type of data bit error rate (see 4.7.1.3.3) When the code circuit bit error rate Pe≤[×10-2, the data bit error rate Pe measured at the data interface shall be ≤1x10-5. 3.2.2.3.5 The fourth type of data bit error rate (see 4.7.1.3.4) When the code circuit bit error rate Pe≤1×10-3, the data bit error rate Pe at the data interface shall be ≤1×10-6. 3.3 Module dimensions
Module dimensions 7xbxh, mm: 220x100×18 or 220x111.75×18. 3.4 Reliability requirements
The mean time between failures (MTBF) of the module shall not be less than 30000h. 3.5 Environmental requirements
3.5.1 Working state
3. 5.1.1 Working temperature
See Table 3 for working temperature.
3.5.2 Non-working state
3. 6.2. 1 Storage temperature
a. Low: -55 °C:
b High temperature: 125°C.
3.5.2.2 Moving
SJ 20679—1998
Vibration mode: Sine swept frequency vibration: a.
b Severity level: Should meet the requirements of Table 4. Table 4
Bump rate range
50~500
Displacement (double amplitude)
3.5.2.3 Mixed heat
Temperature: 30°℃~60°C;
b. Relative humidity: 95%:
c. Test period: 24h
d. Number of tests: 10 times.
3.5.2.4 Impact
Test time
min/km
30/1600
Test time for each axis
Maximum test time
Impact requirements shall comply with the provisions of Table 408-1 of "408 Impact Test" in GJB367.2. 3.5.2.5 Temperature shock
Scanning time
(5 ~~200 - 5 Hz)
Temperature shock requirements shall comply with the provisions of Chapter 3 of "405 Temperature Exit Test" in GJB367.2. 3.5.2.6 Fungus
Fungus requirements shall comply with the provisions of Chapter 3 of "412 Fungus Test" in GJB367.2. 3.5.2.7 Salt spray
Salt spray requirements shall comply with the provisions of GJB 3.6 Electromagnetic compatibility requirements
The electromagnetic compatibility requirements of the module shall comply with the relevant provisions of GJB151A. The specific provisions shall be stipulated by the product specifications or contracts.
3.7 Maintainability
The module mean repair time (MTTR) is small or equal to 0.5h 3.8 Marking and code
3.8.1 Marking
The module model, grade, trademark, and factory date shall be marked. 3. 8.2 Position
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SJ 20679--1998
Mark the module model and grade on the main view of the module: The trademark and factory date mark are specified by the product specification: 3.8.3 Code
The model and grade are represented by three parts, see Figure 4. MCS
Name (main name)
Figure 4 Model and code
a: Name (main name): MCS (user interface module) in capital letters: b. Type: Indicated by capital letters A (analog), D (digital) and T (data), see Table 1: c. Grade: Indicated by Roman numerals 1 and I, see Table 2. 3.9 Appearance quality
a. Text and symbols should be clear:
b. The module and lead pins should be firmly structured and free of damage. 3.10 Power supply and power consumption
3.10.1 Power supply
DC input voltage: 5 V±0.5 V: 12 V±1.2 V: -48=4.8 V. 3.10.2 Power consumption
The power consumption of the module is specified by the product specification.
3.11 Interface
a. The module is installed with a 64-pin or 96-pin connector with a pin spacing of 2.54mml: Its package is specified by the product specification:
The input power supply and ground pins are fixed in Table 5, Qiu 5
-48V (positive)
-48 V (negative)
4 Quality Assurance Provisions
4.1 Inspection Responsibility
SJ 20679--1998
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 of the specified inspection items. 4.1.1 Qualified 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. Identification inspection:
b. Quality consistency inspection.
4.3 Inspection conditions
4.3.1 Standard atmospheric conditions
Unless otherwise specified, various inspections shall be carried out under the following standard atmospheric conditions for the test: a. Ambient temperature: 15℃~35℃
b. Relative humidity: 20%80%;
c. Air pressure: air pressure of the test site.
4.3.2 Test instruments
The performance indicators of all test equipment and instruments should be higher than one-half or one-third of the precision of the measured indicators, and within the effective period of metrological qualification. 4.4 Identification test
Identification test is generally carried out during design and production finalization. When the main design, process and material of the module have major changes that affect the important performance of the module and make the original identification result no longer valid, identification test should also be carried out. 4.4.1 Number of samples
The number of samples for identification test is generally not less than 10. The number of samples for reliability test shall be in accordance with the contract provisions or agreed upon by the contractor and the ordering party. 4.4.2 Inspection items
The inspection items are shown in Table 6, and the specific inspection order is stipulated by the product specifications. 4.4.3 Qualification criteria
When all inspection items meet the requirements of Chapter 3 and Chapter 5, the identification test is judged to be qualified. If any inspection item fails to meet the specified requirements, the inspection shall be suspended and the contractor shall be responsible for the unqualified items.4 Reliability requirements
The mean time between failures (MTBF) of the module shall not be less than 30000h. 3.5 Environmental requirements
3.5.1 Working state
3. 5.1.1 Working temperature
See Table 3 for working temperature.
3.5.2 Non-working state
3. 6.2. 1 Storage temperature
a. Low: -55 °C:
b High temperature: 125°C.
3.5.2.2 Moving
SJ 20679—1998
Vibration mode: Sine swept frequency vibration is adopted: a.
b Severity level: It shall meet the requirements of Table 4. Table 4
Bump rate range
50~500
Displacement (double amplitude)
3.5.2.3 Mixed heat
Temperature: 30°℃~60°C;
b. Relative humidity: 95%:
c. Test period: 24h
d. Number of tests: 10 times.
3.5.2.4 Impact
Test time
min/km
30/1600
Test time for each axis
Maximum test time
Impact requirements shall comply with the provisions of Table 408-1 of "408 Impact Test" in GJB367.2. 3.5.2.5 Temperature shock
Scanning time
(5 ~~200 - 5 Hz)
Temperature shock requirements shall comply with the provisions of Chapter 3 of "405 Temperature Exit Test" in GJB367.2. 3.5.2.6 Fungus
Fungus requirements shall comply with the provisions of Chapter 3 of "412 Fungus Test" in GJB367.2. 3.5.2.7 Salt spray
Salt spray requirements shall comply with the provisions of GJB 3.6 Electromagnetic compatibility requirements
The electromagnetic compatibility requirements of the module shall comply with the relevant provisions of GJB151A. The specific provisions shall be stipulated by the product specifications or contracts.
3.7 Maintainability
The module mean repair time (MTTR) is small or equal to 0.5h 3.8 Marking and code
3.8.1 Marking
The module model, grade, trademark, and factory date shall be marked. 3. 8.2 Position
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SJ 20679--1998
Mark the module model and grade on the main view of the module: The trademark and factory date mark are specified by the product specification: 3.8.3 Code
The model and grade are represented by three parts, see Figure 4. MCS
Name (main name)
Figure 4 Model and code
a: Name (main name): MCS (user interface module) in capital letters: b. Type: Indicated by capital letters A (analog), D (digital) and T (data), see Table 1: c. Grade: Indicated by Roman numerals 1 and I, see Table 2. 3.9 Appearance quality
a. Text and symbols should be clear:
b. The module and lead pins should be firmly structured and free of damage. 3.10 Power supply and power consumption
3.10.1 Power supply
DC input voltage: 5 V±0.5 V: 12 V±1.2 V: -48=4.8 V. 3.10.2 Power consumption
The power consumption of the module is specified by the product specification.
3.11 Interface
a. The module is installed with a 64-pin or 96-pin connector with a pin spacing of 2.54mml: Its package is specified by the product specification:
The input power supply and ground pins are fixed in Table 5, Qiu 5
-48V (positive)
-48 V (negative)
4 Quality Assurance Provisions
4.1 Inspection Responsibility
SJ 20679--1998
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 of the specified inspection items. 4.1.1 Qualified 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. Identification inspection:
b. Quality consistency inspection.
4.3 Inspection conditions
4.3.1 Standard atmospheric conditions
Unless otherwise specified, various inspections shall be carried out under the following standard atmospheric conditions for the test: a. Ambient temperature: 15℃~35℃
b. Relative humidity: 20%80%;wwW.bzxz.Net
c. Air pressure: air pressure of the test site.
4.3.2 Test instruments
The performance indicators of all test equipment and instruments should be higher than one-half or one-third of the precision of the measured indicators, and within the effective period of metrological qualification. 4.4 Identification test
Identification test is generally carried out during design and production finalization. When the main design, process and material of the module have major changes that affect the important performance of the module and make the original identification result no longer valid, identification test should also be carried out. 4.4.1 Number of samples
The number of samples for identification test is generally not less than 10. The number of samples for reliability test shall be in accordance with the contract provisions or agreed upon by the contractor and the ordering party. 4.4.2 Inspection items
The inspection items are shown in Table 6, and the specific inspection order is stipulated by the product specifications. 4.4.3 Qualification criteria
When all inspection items meet the requirements of Chapter 3 and Chapter 5, the identification test is judged to be qualified. If any inspection item fails to meet the specified requirements, the inspection shall be suspended and the contractor shall be responsible for the unqualified items.4 Reliability requirements
The mean time between failures (MTBF) of the module shall not be less than 30000h. 3.5 Environmental requirements
3.5.1 Working state
3. 5.1.1 Working temperature
See Table 3 for working temperature.
3.5.2 Non-working state
3. 6.2. 1 Storage temperature
a. Low: -55 °C:
b High temperature: 125°C.
3.5.2.2 Moving
SJ 20679—1998
Vibration mode: Sine swept frequency vibration is adopted: a.
b Severity level: It shall meet the requirements of Table 4. Table 4
Bump rate range
50~500
Displacement (double amplitude)
3.5.2.3 Mixed heat
Temperature: 30°℃~60°C;
b. Relative humidity: 95%:
c. Test period: 24h
d. Number of tests: 10 times.
3.5.2.4 Impact
Test time
min/km
30/1600
Test time for each axis
Maximum test time
Impact requirements shall comply with the provisions of Table 408-1 of "408 Impact Test" in GJB367.2. 3.5.2.5 Temperature shock
Scanning time
(5 ~~200 - 5 Hz)
Temperature shock requirements shall comply with the provisions of Chapter 3 of "405 Temperature Exit Test" in GJB367.2. 3.5.2.6 Fungus
Fungus requirements shall comply with the provisions of Chapter 3 of "412 Fungus Test" in GJB367.2. 3.5.2.7 Salt spray
Salt spray requirements shall comply with the provisions of GJB 3.6 Electromagnetic compatibility requirements
The electromagnetic compatibility requirements of the module shall comply with the relevant provisions of GJB151A. The specific provisions shall be stipulated by the product specifications or contracts.
3.7 Maintainability
The module mean repair time (MTTR) is small or equal to 0.5h 3.8 Marking and code
3.8.1 Marking
The module model, grade, trademark, and factory date shall be marked. 3. 8.2 Position
KAoNrKAca-
SJ 20679--1998
Mark the module model and grade on the main view of the module: The trademark and factory date mark are specified by the product specification: 3.8.3 Code
The model and grade are represented by three parts, see Figure 4. MCS
Name (main name)
Figure 4 Model and code
a: Name (main name): MCS (user interface module) in capital letters: b. Type: Indicated by capital letters A (analog), D (digital) and T (data), see Table 1: c. Grade: Indicated by Roman numerals 1 and I, see Table 2. 3.9 Appearance quality
a. Text and symbols should be clear:
b. The module and lead pins should be firmly structured and free of damage. 3.10 Power supply and power consumption
3.10.1 Power supply
DC input voltage: 5 V±0.5 V: 12 V±1.2 V: -48=4.8 V. 3.10.2 Power consumption
The power consumption of the module is specified by the product specification.
3.11 Interface
a. The module is installed with a 64-pin or 96-pin connector with a pin spacing of 2.54mml: Its package is specified by the product specification:
The input power supply and ground pins are fixed in Table 5, Qiu 5
-48V (positive)
-48 V (negative)
4 Quality Assurance Provisions
4.1 Inspection Responsibility
SJ 20679--1998
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 of the specified inspection items. 4.1.1 Qualified 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. Identification inspection:
b. Quality consistency inspection.
4.3 Inspection conditions
4.3.1 Standard atmospheric conditions
Unless otherwise specified, various inspections shall be carried out under the following standard atmospheric conditions for the test: a. Ambient temperature: 15℃~35℃
b. Relative humidity: 20%80%;
c. Air pressure: air pressure of the test site.
4.3.2 Test instruments
The performance indicators of all test equipment and instruments should be higher than one-half or one-third of the precision of the measured indicators, and within the effective period of metrological qualification. 4.4 Identification test
Identification test is generally carried out during design and production finalization. When the main design, process and material of the module have major changes that affect the important performance of the module and make the original identification result no longer valid, identification test should also be carried out. 4.4.1 Number of samples
The number of samples for identification test is generally not less than 10. The number of samples for reliability test shall be in accordance with the contract provisions or agreed upon by the contractor and the ordering party. 4.4.2 Inspection items
The inspection items are shown in Table 6, and the specific inspection order is stipulated by the product specifications. 4.4.3 Qualification criteria
When all inspection items meet the requirements of Chapter 3 and Chapter 5, the identification test is judged to be qualified. If any inspection item fails to meet the specified requirements, the inspection shall be suspended and the contractor shall be responsible for the unqualified items.3 Code
Model and grade are represented by three parts, see Figure 4. MCS
Name (main name)
Figure 4 Model and code
a: Name (main name): MCS (User Interface Module) in capital letters: b. Type: represented by capital letters A (analog), D (digital) and T (data), see Table 1: c. Grade: represented by Roman numerals 1 and I, see Table 2. 3.9 Appearance quality
a. Text and symbols should be clear:
b. The module and lead pins should be firmly structured and free of damage. 3.10 Power supply and power consumption
3.10.1 Power supply
DC input voltage: 5 V±0.5 V: 12 V±1.2 V: -48=4.8 V. 3.10.2 Power consumption
Module power consumption is specified by the product specification.
3.11 Interface
a. The module is installed with a 64-pin or 96-pin connector with a pin spacing of 2.54mml: Its packaging is specified by the product specification:
The input power supply and ground pins are fixed in Table 5, Qiu 5
-48V (positive)
-48 V (negative)
4 Quality Assurance Regulations
4.1 Inspection Responsibility
SJ 20679--1998
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 of the specified inspection items. 4.1.1 Qualified Responsibilities
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 Inspection conditions
4.3.1 Standard atmospheric conditions
Unless otherwise specified, various inspections shall be carried out under the following standard atmospheric conditions for the test: a. Ambient temperature: 15℃~35℃
b. Relative humidity: 20%80%;
c. Air pressure: air pressure at the test site.
4.3.2 Test instruments
The performance indicators of all test equipment and instruments shall be higher than one-half or one-third of the accuracy of the measured indicators, and within the effective period of metrological qualification. 4.4 Identification test
Identification test is generally carried out during design and production finalization. When there are major changes in the main design, process, and materials of the module that affect the important performance of the module and make the original identification results no longer valid, identification test should also be carried out. 4.4.1 Number of samples
The number of samples for identification test is generally not less than 10. The number of samples for reliability test shall be in accordance with the contract provisions or agreed upon by the contractor and the ordering party. 4.4.2 Inspection items
The inspection items are shown in Table 6, and the specific inspection sequence is specified by the product specifications. 4.4.3 Qualification criteria
When all inspection items meet the requirements of Chapter 3 and Chapter 5, the identification inspection is judged to be qualified. If any inspection item does not meet the specified requirements, the inspection shall be suspended, and the contractor shall be responsible for the unqualified items- 10-
TKANiKAca-3 Code
Model and grade are represented by three parts, see Figure 4. MCS
Name (main name)
Figure 4 Model and code
a: Name (main name): MCS (User Interface Module) in capital letters: b. Type: represented by capital letters A (analog), D (digital) and T (data), see Table 1: c. Grade: represented by Roman numerals 1 and I, see Table 2. 3.9 Appearance quality
a. Text and symbols should be clear:
b. The module and lead pins should be firmly structured and free of damage. 3.10 Power supply and power consumption
3.10.1 Power supply
DC input voltage: 5 V±0.5 V: 12 V±1.2 V: -48=4.8 V. 3.10.2 Power consumption
Module power consumption is specified by the product specification.
3.11 Interface
a. The module is installed with a 64-pin or 96-pin connector with a pin spacing of 2.54mml: Its packaging is specified by the product specification:
The input power supply and ground pins are fixed in Table 5, Qiu 5
-48V (positive)
-48 V (negative)
4 Quality Assurance Regulations
4.1 Inspection Responsibility
SJ 20679--1998
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 of the specified inspection items. 4.1.1 Qualified Responsibilities
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 Inspection conditions
4.3.1 Standard atmospheric conditions
Unless otherwise specified, various inspections shall be carried out under the following standard atmospheric conditions for the test: a. Ambient temperature: 15℃~35℃
b. Relative humidity: 20%80%;
c. Air pressure: air pressure at the test site.
4.3.2 Test instruments
The performance indicators of all test equipment and instruments shall be higher than one-half or one-third of the accuracy of the measured indicators, and within the effective period of metrological qualification. 4.4 Identification test
Identification test is generally carried out during design and production finalization. When there are major changes in the main design, process, and materials of the module that affect the important performance of the module and make the original identification results no longer valid, identification test should also be carried out. 4.4.1 Number of samples
The number of samples for identification test is generally not less than 10. The number of samples for reliability test shall be in accordance with the contract provisions or agreed upon by the contractor and the ordering party. 4.4.2 Inspection items
The inspection items are shown in Table 6, and the specific inspection sequence is specified by the product specifications. 4.4.3 Qualification criteria
When all inspection items meet the requirements of Chapter 3 and Chapter 5, the identification inspection is judged to be qualified. If any inspection item does not meet the specified requirements, the inspection shall be suspended, and the contractor shall be responsible for the unqualified items- 10-
TKANiKAca-
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