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Callout Number
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The modules that comprise the Expansion Cabinet vary based on the type of configuration chosen. A
typical configuration includes the following modules:
•
RX Splitter(s)
•
Cavity Combiner(s)
•
eXpansion HUB (XHUB)
•
Base Radios
•
Power Supply Unit(s)
The door of the cabinet has a lock to prevent unauthorized opening. Unauthorized opening of the door
generates an alarm.
For a complete description of each module, refer to the appropriate chapter. Each chapter provides an
overview, a description of switches, indicators and test connectors, and a functional description of each
module. Troubleshooting and removal/replacement procedures are also included for modules having
Field Replaceable Units (FRUs).
1.7
MTS Modules
Each MTS comprises of a number of modules. Some of these modules consist of subcomponents.
MTS modules include:
•
RF Distribution System (RFDS) module
•
RF Filter module
•
Site controller module
•
XHUB module
•
Base Radio module
•
Power supply module
•
Cooling fans module
1.7.1
RF Distribution System
The RF Distribution System (RFDS) module has the following subcomponents:
•
Preselector (MTS LiTE, MTS 2 and MTS 4 prime only)
•
Duplexer (MTS LiTE, MTS 2 and MTS 4 prime only)
•
Post Filter (MTS 4 prime only)
•
Cavity Combiners (CC) (MTS 4 and Expansion Cabinet only)
Description
XHUB
Fan Tray
BRs
PSU
XHUB
Fan Tray
6802800U74-AN
Chapter 1: MTS Overview
7
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Troubleshooting
