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
Summary of Contents for ZXC10 BTSB I1
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