Zte ZXC10 CBTS O1, Installation Manual

Page: 60 / 167

ZXC10 CBTS I2 Installation Manual
60
Confidential and Proprietary Information of ZTE CORPORATION
Trunk Cable Installation
There are two types of trunk cables: E1 and T1 cables.
T1 Cable Installation
100
Ω
T1 cable structure
Figure 42 shows 32-core 100
Ω
T1 cable structure.
F
I G U R E
4 2 - 1 0 0
Ω
Ω Ω
Ω
T 1 C
A B L E
S
T R U C T U R E
100
Ω
T1 cable connection
Connect 100
Ω
T1 cable End A (left end in Figure 32) to BSC E1
interface of conversion board at CBTS top. Connect T1 cable End B
(right end in Figure 32) to DDF.
Table 11 describes 100
Ω
T1 cable internal connections in detail.
T
A B L E
1 1 - 1 0 0
Ω
Ω Ω
Ω
I
N T E R N A L
C
A B L E
C
O N N E C T I O N S
Wire color Wire color Wire number
Wire A Wire B
Wire number
Wire A Wire B
1 White Blue 9 Black Blue
Signal
definition
RX0- RX0+ RX4- RX4+
2 White Orange 10 Black Orange
Signal
definition
TX0- TX0+ TX4- TX4+
3 White Green 11 Black Green
Signal
definition
RX1- RX1+ RX5- RX5+
4 White Brown 12 Black Brown