One end of the E1 cable is a DB26 male connector. The connector at the other end of the cable
is prepared on site based on site requirements. Figure 7-25 shows an E1/T1 cable.
Figure 7-25 E1/T1 signal cable
(1) DB26 male connector
Table 7-26 lists different types of 75 ohm E1 coaxial cables.
Table 7-26 Different types of 75 ohm E1 coaxial cables
Cable
One End The Other End
75 ohm E1 coaxial cable DB26 male connector L9 male connector
L9 female connector
SMB female connector
BNC male connector
SMZ male connector
SMZ female connector
Pin Assignment
Table 7-27, Table 7-28, and Table 7-29 describe the pin assignment for the wires of the E1/T1
cable.
Table 7-27 Pin assignment for the wires of the 75-ohm E1 coaxial cable
Pin on the DB26
Male Connector
Type
(1)
Coaxial Unit No. Wire Label
X1.1 Tip 1 RX1+
X1.2 Ring RX1-
X1.3 Tip 3 RX2+
X1.4 Ring RX2-
BTS3900C (Ver.C)
Hardware Description 7 BTS3900C Cables
Issue 03 (2013-05-27) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
153
To Next Page
Loading...
Need help?
General