Table 5-15 Pin Assignment For The Wires Of The 75-Ohm E1 Coaxial Cable; Table 5-16 Pin Assignment For The Wires Of The 120-Ohm E1 Twisted Pair Cable - Huawei BTS3900E GSM User Manual

5 BTS3900E Hardware

Table 5-15 Pin assignment for the wires of the 75-ohm E1 coaxial cable

Pin on the DB9
Female
Connector
X1.1
X1.2
X1.3
X1.4
X1.6
X1.7
X1.8
X1.9

Table 5-16 Pin assignment for the wires of the 120-ohm E1 twisted pair cable

Pin on the DB9
Female
Connector
X1.1
X1.2
X1.3
X1.4
X1.6
X1.7
X1.8
X1.9
Inter-BTS3900E Signal Cable
The inter-BTS3900E signal cable is used to transmit signals between the basic BTS3900E and
the extension BTS3900E.
5-18
NOTE
In Table 5-15, "Tip" refers to a wire in the E1 coaxial cable, and "Ring" refers to an external conductor of
the cable.
Type
Tip
Ring
Tip
Ring
Tip
Ring
Tip
Ring
Color
White
Orange
White
Brown
White
Blue
White
Green
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Copyright © Huawei Technologies Co., Ltd.
SN Signa
l
2 R0
4 R1
1 T0
3 T1
Type Signal
Twisted pair R0
Twisted pair R1
Twisted pair T0
Twisted pair T1
BTS3900E GSM
User Guide
Description
-
-
-
-
-
Start X1.Shell
-
Start X1.Shell
Label
R0+
R0–
R1+
R1–
T0+
T0–
T1+
T1–
Issue 01 (2010-01-15)