Service Manual

GSM-204-323

Compact transceiver unit (CTU)

31st Oct 01

Tech. 5–10

Technical Description: Horizon

macro

outdoor

CONTROLLED INTRODUCTION

68P02902W02-A

View of CTU

Figure 5-2 shows a CTU with its main features identified.

Tx OUT

CONNECTOR

Tx STATUS LED

HANDLE

M4 MODULE ATTACHMENT

SCREW

M4 MODULE

ATTACHMENT SCREW

TTY INTERFACE

CONTROL

PROCESSOR

TEST INTERFACE

RADIO STATUS LED

RECESSED MANUAL

RESET BUTTON (if fitted)

RxA

RxB

LOOPBACK

TEST PORT (L)

BACKPLANE POWE

AND SIGNAL

CONNECTOR

Figure 5-2 View of CTU showing main external features