Installation Manual – BTS3606A Cabinet Installation
Airbridge BTS3606&3606A CDMA Base Station
Chapter 4 Installing Outdoor Transmission and
Power Interface Boxes
Huawei Technologies Proprietary
4-7
(1) Steel pole
(2) Beam
(3) M10 nut
(4) Plain washer 10
(5) Spring washer 10
(6) Long M10 bolt
Figure 4-8
Mounting transmission interface box on the steel pole
5)
Install the plain washer, spring washer, and nut on the long bolt. See Figure 4-8.
6)
Tighten the nut to 26.5 N
$
m (119.7 in. lbs) with a wrench.
4.3 Using Internal Components of Transmission Interface
Box
This section explains how to use:
z
120
Ω
DDF unit
z
75
Ω
DDF unit
z
Grounding busbar
z
12-core fiber fusing and distributing assemblies