Figure 5-12 75-Ohm E1 Cable; Figure 5-13 120-Ohm E1 Cable - Huawei BTS3900E GSM User Manual

BTS3900E GSM
User Guide
Working Mode
Local
maintenance
E1 Cable of the BTS3900E
The E1 cable is used to connect the BTS3900E to the BSC.
Appearance
The E1 cable is classified into 75-ohm E1 coaxial cable and 120-ohm E1 twisted pair cable.
The E1 cable has a DB9 female connector at one end, and the connector at the other end needs
to be made according to the field requirements.
E1 cable and 120-ohm E1 cable respectively.

Figure 5-12 75-ohm E1 cable

View A
Pos.9

Figure 5-13 120-ohm E1 cable

View A
Pos.9
Pin Assignment
Table 5-15
cable and 120-ohm E1 twisted pair cable.
Issue 01 (2010-01-15)
One End (RJ-45 Connector)
ETH port on the BTS3900E Cabling
cavity panel.
A
X1
Pos.1
A
X1
Pos.1
and Table 5-16
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Figure 5-12
describe the pin assignment for the wires of the 75-ohm E1 coaxial
5 BTS3900E Hardware
The Other End (RJ-45
Connector)
Connected to the Ethernet port
of the local maintenance
terminal PC.
and Figure 5-13
W
W
show the 75-ohm
X1
X2
X3
X4
X2
X3
X8
X9
5-17