This standard specifies the requirements for the external interface of application television. This standard applies to application television equipment and the systems composed of them. GB/T 15413-1994 Requirements for the external interface of application television GB/T15413-1994 Standard download decompression password: www.bzxz.net

UDC 621.397.13
National Standard of the People's Republic of China
GB/T 15413—94
Requirements of external interface for applied TV
Issued on December 6, 1994
State Administration of Technical Supervision
Implementation on June 1, 1995
National Standard of the People's Republic of China
Requirements of external interface for applied TV
Requirements of external interface for applied TV
1 Subject content and scope of application
This standard specifies the requirements for external interfaces for applied TV. This standard applies to applied TV equipment and the systems composed of them. 2 Reference standards
GB9031
Requirements for interconnection and matching of household sound system equipment
GB11315BNC type RF coaxial connector
GB14861Safety requirements and test methods for applied television equipmentGB/T14864Solid core polyethylene insulated RF cableSJ822FX16-7 waterproof round plug socket
SJ1743
3X small round Plug socket
SJ1744
SJ2303
SJ2526
3 Terms
Q-type bayonet small round plug socket
TX-type concentric plug socket
Camera tube series spectrum
3.1 Application TV system
GB/T15413-94
Refers to other TV systems except broadcasting TV. It is composed of various TV equipment such as black-and-white and color TV cameras, camera lenses, black-and-white and color monitors, controllers, electric pan-tilt heads, audio and video switchers, distributors, cable compensators, microwave repeaters, optical terminals, mounting brackets and protective covers.
3.2 External interface
Refers to the electromechanical connection requirements between devices in the application TV system and the system's external interconnection. The interface content includes the input and output impedance of the equipment, the input and output signal level, the mechanical matching size, the safety requirements, the selection of connectors and cables, etc. General requirements
4.1 Power supply voltage
4.1.1 AC voltage
Rated voltage: 220, 36, 24V.
Power supply frequency: 50Hz.
The equipment being powered should allow a rated voltage deviation of ±10%. 4.1.2 DC voltage
Approved by the State Administration of Technical Supervision on December 6, 1994 and implemented on June 1, 1995
GB/T15413-94
Equipment using an external DC power supply should be able to work normally at one or more of the following rated voltages: Voltage rating: 5, 6, 9, 12, 15, 24V. 4.2 Safety requirements
4.2.1 The safety requirements for TV equipment should comply with the provisions of GB14861. 4.2.2 Metal cabinets, operating tables, monitor racks, etc. that house equipment in the application television system must be connected to a safe ground. 4.2.3 When the application television equipment is interconnected and has a power supply relationship, the selection of connectors should comply with the following regulations: When the power supply party uses a hole connector, the powered party should use a pin connector. 4.3 Video signal interconnection matching
4.3.1 The nominal value of the input and output impedance of the equipment: 75. 4.3.2 The rated value of the input and output level of the equipment: 1V (peak-to-peak value) terminated with 75Q positive polarity. 4.3.3 The input and output connectors of the equipment should comply with the provisions of GB11315. 4.4 Interconnection and matching of synchronization signals
4.4.1 Nominal value of input and output impedance of equipment: 759. 4.4.2 Rated value of input and output level of equipment: a.
Composite synchronization signal:
Full TV signal:
Black field signal:
2～4V (peak-to-peak value)
1V (peak-to-peak value)
0.45V (peak-to-peak value) (color)
0.3V (peak-to-peak value) (black and white)
4.4.3 The input and output connectors of equipment shall comply with the provisions of GB11315. 4.5 Interconnection and matching of audio signals
4.5.1 Nominal value of input impedance of equipment:
600Q balanced or unbalanced;
b. High impedance greater than 10k unbalanced.
4.5.2 Nominal output impedance of the equipment: bzxz.net
a. 6002 balanced or unbalanced;
b. Low impedance less than 600α unbalanced.
4.5.3 The input and output levels of the equipment shall be specified in the product standard. 4.5.4 Input and output connectors of the equipment:
Negative polarity;
Termination 752
Termination 752
Termination 759
Termination 752
Positive polarity;
Positive polarity;
Positive polarity.
The input and output connectors of general audio equipment shall adopt YC type (see Appendix A (Supplement)) or TX type connector. The connectors of other audio equipment shall comply with the provisions of GB9031. Note: General audio equipment refers to audio switching switches, audio distributors, mixing consoles, TV monitor sound parts, etc. 4.6 Coaxial cable
The transmission of video and synchronization signals shall adopt high-frequency coaxial cable with characteristic impedance of 75Ω-, and the coaxial cable shall comply with the provisions of GB/T14864.
5 Commonly used external interfaces of main equipment
5.1 Television camera
5.1.1 The power supply of television camera shall comply with the requirements of Article 4.1 of this standard. 5.1.2 Video output:
Impedance nominal value: 752;
Amplitude rating: 1V (peak-to-peak value)
5.1.3 External synchronization:
Composite synchronization signal:
Terminated 750
2~4V (peak-to-peak value)
Positive polarity.
Negative polarity,
Terminate 75Q
Full TV signal:
Black field signal:
GB/T15413-94
1V (peak-to-peak)
0.45V (peak-to-peak) (color)
0.3V (peak-to-peak) (black and white)
External synchronization subcarrier phase adjustment range: 360°Terminate 759
Terminate 752
Terminate 752
Positive polarity,
Positive polarity;
Positive polarity.
5.1.4 The mechanical interface requirements between the camera and the camera lens shall comply with the provisions of Table 1. The rear installation distance L of the camera lens is the distance between the lens positioning end face and the image plane, as shown in Figure 1.
Camera
(corresponding lin）
(corresponding 2/3in)
(corresponding 1/2in)
Installation method
Threaded connection
C-type connection
C-type connection
CS-type connection
5.1.5 Electrical connection between camera and automatic aperture lens a. Working voltage: +9V, +12V;
b. Rated value of sampling video amplitude: 1V (peak-to-peak value). 5.1.6 Installation dimensions:
Interface size
M25.4, each 25.4mm contains
(1X1/32in)
Fang Guoding half face
head size
The camera should have mounting screw holes and stop pin holes on the top and bottom, as shown in Figure 2. E
Rear installation distance L
14.11±0.02
17.52±0.02
17.52±0.02
12.52±0.02
5.2 Camera lens
GB/T15413—94
5.2.1 The mechanical interface requirements of fixed focal length lens should comply with the requirements of Table 1. The interface requirements for the auto-iris lens are as follows:
The mechanical interface of the auto-iris lens shall comply with the provisions of Table 1; Operating voltage range: 8~15V
Rated sampling video amplitude: 1V (peak-to-peak value), the connector plug and contact point arrangement shall be specified in the product standard. 5.2.3 The interface requirements for the remote-controlled zoom lens are as follows: a.
The mechanical interface of the zoom lens shall comply with the provisions of Table 1; the recommended value of the motor drive voltage is: AC36V, DC6V. When installing the connector on the lens, the YC10J7Z socket shall be used. The contact point arrangement is shown in Table 2. When the lens control line is directly led out, the end point of the control line shall use the XS aviation plug socket. The contact point arrangement is shown in Table 2. Table 2
Motor working voltage
5.3 Electric pan/tilt||Connector
YC10J7Z
5.3.1 Control voltage value (AC) 220, 110, 36, 24V5.3.2 Connector:
Focus far
Focus near
Long focal length
Contact point
Short focal length
Large aperture
Small aperture
Use a needle connector socket. The connector shall comply with the provisions of X14J7AP type in SJ1743 or FX16-7 type in SJ822, or adopt the terminal block method. The arrangement of connector contact points is shown in Table 3. Table 3
Contact point number
5.3.3 Installation dimensions:
Horizontal right
Horizontal left
Vertical top
Vertical bottom
The connection between the top of the pan/tilt and the TV camera and the protective cover shall comply with the provisions of Articles 5.3.3.1 to 5.3.3.3. The connection between the bottom of the pan/tilt and the TV camera bracket shall comply with the provisions of Article 5.3.3.4. 5.3.3.1 The top interface dimensions of the pan/tilt with a load of less than 10kg are as follows: When the camera is directly installed, the top interface dimensions shall comply with the provisions of Figure 3: a.
Lian Haixing
Positive Motion Elimination
GB/T15413—94
When the pan/tilt is connected to the protective cover, the top interface dimensions shall comply with the provisions of Figure 4. 2*0+
The top interface dimensions of the pan/tilt with a load of 10~20kg shall comply with the provisions of Figure 5. 5. 3. 3. 2
12010,2
5.3.3.3 The top interface dimensions of the pan/tilt with a load of 20~30kg shall comply with the provisions of Figure 6. 5.3.3.4 The bottom interface dimensions of the pan/tilt with a load of less than 10kg shall comply with the provisions of Figure 7. 56
GB/T15413—94
5.3.3.5 The dimensions of the bottom interface of the PTZ with a load of more than 10kg shall be specified in the product standard. 5.4 Direct universal controller
The external interface of the direct universal controller includes supplying power to the TV camera, remote control of the zoom lens, control of the PTZ rotation, processing of video and synchronization signals, wiper control, etc. Note: A direct universal controller refers to an application TV device that usually directly provides control signals and working power to the TV camera, electric PTZ, wiper and heater.
5.4.1 The power supply shall comply with the provisions of Article 4.1 of this standard. 5.4.2 The external interface requirements of the direct universal controller are shown in Table 4. Table 4
Interconnected device name
Camera lens
Electric PTZ
TV monitor
Video distributor
Video switch
Outdoor protective cover
TV camera
Interface content
Remote control lens
Remote control motor
Video output
Drive wiper
Heater
Defrost glass
Provide power
Video input
Same Step signal
Interface mode
Connector
Connector
Connector
Connector
Connector
Connector
Connector
Interface requirements
Working voltage value: AC36V, 50Hz;
The connector should comply with the provisions of Q14K7AP type in SJ1744 standard or use XS aviation socket
Working voltage value: AC220, 110, 36, 24V50Hz. Connector socket: Should comply with the provisions of X14K7AP type in SJ1743 standard and FX-16 type in SJ822 standard or use XS aviation plug. The arrangement of connector connection points should comply with the provisions of Table 3. Output impedance: 75Q.
Video amplitude rating: 1V (peak-to-peak); terminal 75α. Connector socket: BNC type
Working voltage value: AC220, 110, 24V; 50Hz. Connector socket: Should comply with the provisions of Q14K5AP type in SJ1744 or use XS type (see Appendix B (Supplement)) Aviation socket
The power supply to the camera should comply with the provisions of Article 4.1 of this standard. The connector should comply with the provisions of Q14K5AP type in SJ1744 or use XS type aviation plug
Input impedance: 75Ω.
Video amplitude rating: 1V (peak-to-peak); termination 752. Connector socket: BNC type
Input and output impedance: 75Ω.
Synchronous amplitude: Should comply with the provisions of Article 4.4.2 of this standard. Connector socket: BNC type
5.5 The interface of microcomputer controller and non-direct general controller shall be specified by the product standard.
5.6 TV monitor
Video input
GB/T15413-94
Rated value of video signal amplitude: 1V (peak-to-peak value) terminated with 75Q positive polarity,
Input impedance: 752;
Connector socket: BNC type.
Synchronous input
Terminated with 75Q
Composite synchronous amplitude: 2~4V (peak-to-peak value) Input impedance: 752;
Connector socket: BNC type.
Video and synchronous signal transfer output
Negative polarity
When video and synchronous signal are transferred and output, the input impedance should be converted from 75α to high impedance; Connector socket: BNC type.
5.6.4 Audio input
Audio signal level rating: 0dB;
Input impedance: high impedance;
Connector socket: should comply with the provisions of SJ2303. 5.7 Microwave repeater, optical terminal
Video signal
Receiver, transmitter input and output impedance: 75Ω; Video amplitude rating: 1V (peak-to-peak) terminated 752 positive polarity; Connector socket: BNC type.
Audio signal
Input impedance: 6002 balanced or unbalanced or high impedance; Input level rating: 0dB;
Connector socket: should comply with the provisions of SJ2303 or use YC type socket. 5.7.3
Transmitter
Output impedance: 600Q balanced or unbalanced or low impedance; output level rating: +6dB;
Connector socket: The connector socket shall comply with the provisions of SJ2303 or adopt a YC type socket. 5.8 Other equipment
The external interfaces of application television equipment such as video switches, video distributors, cable compensators, etc. shall comply with the provisions of Chapter 4 of this standard. 6 Connectors
When the application television system equipment is interconnected, the selection of various connectors shall comply with the provisions of Table 5 and Table 6. 6.1 Circular connectors are shown in Table 5.
6.2 Coaxial connectors are shown in Table 6.
GB/T15413—94
Standard code
SJ1743
SJ2303
BNC type
Standard code
GB11315
6.3 Terminal blocks are suitable for controllers, electric PTZ and other equipment. 8
Installation method
Not fixed
Not fixed
Not fixed
Not fixed
Installation method
Not fixed
Both ends of the cable
Application range
Direct universal controller peripheral equipment
Both ends of the cable
Direct universal controller electric PTZ
Both ends of the cable
Camera lens audio equipment microwave relay
Optical Terminal
Both ends of the cable
Audio equipmentMicrowave repeaterOptical terminal
Both ends of the cableCamera lens
Universal controllerElectric pan/tilt||Application range
Both ends of the coaxial cable
TV camera controller
TV monitor
Video distributor
Video switch
Cable compensator
ApplicationTV peripheral equipment
A1YC14 connector
See Figure A1.
2YC10 connector
See Figure A2.
B1XS connector
See Figure B1.
GB/T15413—94
Appendix A
YC type connector
(supplement)
New mark
Appendix B
XS type connector
(supplement)
Marking
Additional instructions:
GB/T15413—94
This standard was proposed by the Ministry of Machinery and Electronics Industry of the People's Republic of China. This standard was drafted by Beijing Television Equipment Factory. The main drafters of this standard are Zhang Liansheng, Lu Guilan and Xi Shucun.
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