Connecting E1/T1 Trunks To Outdoor Transmission Interface Box; Installing Optical Fibers; Cabling Principles - Huawei Airbridge BTS3606 Installation Manual

Installation Manual – BTS3606A Cabinet Installation
Airbridge BTS3606&3606A CDMA Base Station
Figure 5-33 Connecting E1/T1 cables
2) Connect the other end of each E1/T1 cable to the outdoor transmission interface
box of the DDF/ODF, as shown in Figure 5-33. For details, see Chapter 4
"Installing Outdoor Transmission and Power Interface Boxes".
3) After installing transmission cables, attach corresponding labels to cables
according to numbers. For details, see Airbridge BTS3606&3606A CDMA Base
Station Installation Manual – Installation Reference.

5.4.5 Connecting E1/T1 Trunks to Outdoor Transmission Interface Box

Connect the E1/T1 trunks to the outdoor transmission interface boxes of DDF/ODF
after laying them out of the cabinet. See Chapter 4 "Installing Outdoor Transmission
and Power Interface Boxes".

5.5 Installing Optical Fibers

This section introduces the cabling principles, and how to connect the optical fibers
when the ODU3601C is cascaded.

5.5.1 Cabling Principles

Pay attention to the following items when installing the optical fibers:
Bend optical fibers in a circle with a diameter no less than 8 cm. Bind optical fiber
pairs neatly.
E1/T1_0 E1/T1_2
RX0_PGND RX1_PGND
E1/T1_1 E1/T1_3
TX0_PGND TX1_PGND
BESP
E1/T1 cable
DB25 socket
(2)
75 ohm/120
12-core fiber
ohm DDF
splice tray
(3)
Outdoor transmission
interface box
Huawei Technologies Proprietary
E1/T1 cable
5-32
Chapter 5 Installing Cables