信號線路防雷翻譯-中英對照
為防止雷電波通過音頻、數(shù)據(jù)線路對相關設備造成危害，依照有關防雷工程的標準規(guī)范，在網(wǎng)絡通信接口處設置適配的信號線路過電壓保護器，確保系統(tǒng)的安全運行。
1.天饋線路：
被保護設備的架空天線必須置于直擊雷防護區(qū)內，即LPZ0B。
使用同軸電纜作為天饋傳輸系統(tǒng)的電子設備均應裝設適配的過電壓保護器，以防來自天饋線路引入的感應過電壓波。
2.程控數(shù)字用戶交換機線路：
    程控數(shù)字用戶交換機及其他通信設備信號線路，根據(jù)總配線架所連接的中繼線及用戶線性質，裝設適配的過電壓保護器。
3.計算機網(wǎng)絡系統(tǒng)：
計算機設備的輸入/輸出端口處，裝設適配的過電壓保護器。
4.安全防范系統(tǒng)：
外場攝像機信號控制線輸出、輸入端口裝設適配的過電壓保護器。
監(jiān)控信號的數(shù)據(jù)傳輸線裝設適配的過電壓保護器。
隧道內交通區(qū)域控制器以及洞內外各監(jiān)控、通信、檢測設備的輸出、輸入端口裝設適配的過電壓保護器。
隧道內火警區(qū)域控制器以及中控室火警控制主機輸出、輸入端口裝設適配的過電壓保護器。
5.CCTV系統(tǒng)：
進出建筑物的信號傳輸線，應在出、入口裝設適配的過電壓保護器。
進出前端設備機房的信號傳輸線，應裝設適配的過電壓保護器。
TS703.2 Lightning-protection design of signal circuit
In order to avoid the risk to the relevant equipment through the audio frequency and data circuit induced by lightning interference, in accordance with the relevant standard code of the lightning-protection project, it is required to arrange the proper protecting device of over voltage of signal circuit in the network communication interface, so as to guarantee the safety operation of system.
1. Antenna feeder circuit:
Aerial line of the protected equipments shall be located in the lightning-protection zone directly, namely LPZ0B.
The electronic equipments which applied coaxial-cable as the transmission system of aerial line shall equip with over voltage protecting device, so as to avoid the traveling over voltage caused by the induction of the aerial line.
2. Program-control digital exchange circuit:
As for the program-control digital exchange and signal circuit of other communication equipment, according to the features of the junction line and exchange line of main distribution frame, it is required to arrange proper over voltage protecting device.
3. Network system of computer:
Input/output interface of computer equipment shall have over voltage protecting device.
4. Security system:
Input/output interface of the control line of outfield camera signal shall have proper over voltage protecting device.
The data transmission line of supervisory signal shall have proper over voltage protecting device. 
Input/output interface of each controlling device inside the traffic region of tunnel and the supervision, communication, and testing equipments shall have proper over voltage protecting device.
Input/output interface of fire alarm region in tunnel and fire alarm control room shall have proper over voltage protecting device.
5. CCTV system:
Signal transmission line exit and entry the building shall have proper over voltage protecting device.
Signal transmission line exit and entry the front equipment room shall have proper over voltage protecting device.
 

武漢翻譯公司

2013.10。3