Chapter 4 Installing Outdoor Transmission And Power Interface Boxes; Introduction To Outdoor Transmission And Power Interface Boxes; Outdoor Transmission Interface Box; Figure 4-1 Structure Of 75Ω Transmission Interface Box - Huawei Airbridge BTS3606 Installation Manual

Installation Manual – BTS3606A Cabinet Installation
Airbridge BTS3606&3606A CDMA Base Station
Chapter 4 Installing Outdoor Transmission and
This chapter introduces the functional structure of the outdoor transmission and power
interface boxes and their installation procedures.
4.1 Introduction to Outdoor Transmission and Power
Interface Boxes
This section introduces the structure and components of the outdoor transmission and
power interface boxes.

4.1.1 Outdoor Transmission Interface Box

There are two types of TSI-DDF/ODF transmission interface box:
75Ω transmission interface box
120Ω transmission interface box
Figure 4-1 shows the structure of a 75Ω transmission interface box.
(1) 12-core fiber fusing and distributing assemblies
(3) Grounding busbar
Figure 4-1 Structure of 75Ω transmission interface box
Power Interface Boxes
Huawei Technologies Proprietary
4-1
Chapter 4 Installing Outdoor Transmission and
(2) 8-E1 75ΩDDF unit
(4) Enclosure
Power Interface Boxes