| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GA/T 647-2006 | English | 439 |
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Protocol V1.0 of front-end devices in video security surveillance system
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GA/T 647-2006
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Basic data | Standard ID | GA/T 647-2006 (GA/T647-2006) | | Description (Translated English) | Protocol V1.0 of front-end devices in video security surveillance system | | Sector / Industry | Public Security (Police) Industry Standard (Recommended) | | Classification of Chinese Standard | A91 | | Classification of International Standard | 13.310 | | Word Count Estimation | 11,139 | | Date of Issue | 2006-10-12 | | Date of Implementation | 2007-01-01 | | Issuing agency(ies) | Ministry of Public Security | | Summary | This standard specifies the transmission interface, instruction format, basic instruction, extended instruction and reserved instruction of the front end equipment control protocol in the video security monitoring system. This standard applies to video security monitoring system for front-end device control protocol. | GA/T 647-2006: Protocol V1.0 of front-end devices in video security surveillance system---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Protocol V1.0 of front-end devices in video security surveillance system
ICS 13.310
A91
People's Republic of China Public Safety Industry Standard
Video security monitoring system
Front End Device Control Protocol 犞 1.0
Released on October 10,.2006
2007-01-01 implementation
Ministry of Public Security
Foreword
Please note that the basic content of this standard may involve patents. Release of this standard
The organization shall not be responsible for identifying these patents.
This standard is proposed and managed by the National Security and Alarm System Standardization Technical Committee (SAC/TC100).
This standard was drafted. Tianjin Yaan Technology Electronics Co., Ltd., Changzhou Mingjing Electronics Co., Ltd., Tianjin Tiandi Weiye Digital Section
Technology Co., Ltd., Shenzhen Eric Electronics Co., Ltd., Beijing Lianshi Aegis Security Technology Co., Ltd., Hangzhou Red Apple Electronics Co., Ltd.
Shanghai Langke Electronic Technology Co., Ltd., National Security and Alarm System Standardization Technical Committee (SAC/TC100) Secretariat, Ministry of Public Security
Safety and Police Electronic Product Quality Testing Center, Ministry of Public Security Safety Supervision and Alarm System Quality Supervision, Inspection and Testing Center, Wuhan University.
The main drafters of this standard. Ye Chen, Chen Jian, Sun Yiwen, Zhou Bin, Zhang Zao, Liu Weisheng, Yang Guosheng, Chen Jun, Shi Juling.
This standard was first published on October 12,.2006.
Video security monitoring system front-end device control protocol 犞 1.0
1 Scope
This standard specifies the transmission interface, instruction format, basic instructions, extension instructions of the front-end device control protocol in the video security monitoring system.
Retain the contents of the instruction.
This standard applies to the protocol for controlling the front-end equipment in the video security monitoring system.
2 Terms and definitions
The following terms and definitions apply to this standard.
2.1
It is used to monitor various types of equipment in the field, such as cameras, pan/tilt, decoders, etc.
2.2
The spatial position corresponding to the preset pan/tilt coordinates and lens parameters.
2.3
In the idle state, the dome automatically starts a certain function after a set time interval, such as. preset position, auto cruise, automatic scan,
Functions such as mode paths.
2.4
The process of the ball machine cyclically calling the preset position in a certain order and at a certain time interval.
2.5
The ball machine performs horizontal reciprocating motion at a certain speed between two set points.
2.6
The dome machine stores operations over a period of time to reproduce the functionality of previous operations.
3 transmission interface, instruction format and classification
3.1 transmission interface
The electrical interface standard between the front-end equipment and the control equipment should be TIA/EIA-485 or TIA/EIA-422 or
TIA/EIA-232. The underlying communication protocol is asynchronous, and each byte format includes 1 start bit, 8 data bits, 1 stop bit,
No parity, 8 data bits are low (see Figure 1), and the transmission rate should provide multiple rate options (at least. 2400bps,
4800bps, 9600bps, 19200bps), the factory default setting is 9600bps.
Figure 1
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