8-1
8 Trunk Cable Installation
Summary:
z
Installation methods of the BTSB trunk cables
z
Preparation of the E1 cables
z
Conversion from the 75
Ω
trunk cable to the 120
Ω
trunk cable
8.1 Installing E1 Cables
E1 cables are available in two types, 75
Ω
and 120
Ω
cables. The connectors
connecting BDS are equipped with a high-density D_SUB44 core. It is shown in Fig.
8.1-1.
Fig. 8.1-1 D_SUB44-core Connector Connecting BDS
8.1.1.1 75
Ω
E1 Cable
A 75
Ω
E1 cable includes 8 channels of E1 signals using two 8-core 75
Ω
micro
Содержание ZXC10 BTSB I1
Страница 4: ......
Страница 16: ......
Страница 22: ... ii Table C 2 1 BTSB Board Indicators C 2 ...
Страница 76: ......
Страница 91: ...Chapter 7 Cable Installation in Cabinet 7 15 Fig 7 3 5 RF Cable Interface in RFS ...
Страница 96: ......
Страница 106: ......
Страница 114: ......
Страница 157: ...Chapter 12 Board Installation 12 11 Fig 12 5 1 Positions of Boards ...
Страница 158: ......
Страница 174: ......
Страница 180: ......
Страница 186: ...ZXC10 BTSB V1 0 cdma2000 Base Transceiver Station Installation Manual B 4 Fig B 6 1 Antenna Feeder DTF Measurement ...