Service Manual

GSM-204-323

Overview of digital modules

31st Oct 01

Tech. 6–2

Technical Description: Horizon

macro

outdoor

CONTROLLED INTRODUCTION

68P02902W02-A

Digital module

and BPSM

locations

Figure 6-1 shows the position of modules within the digital module section of the

main cage

ig.322.rh

ALARM

MODULE

NIU B0

NIU B1

BPSM

FMUX

MCUF A

MCUF B

NIU A0

NIU A1

REDUNDANT (B)

MASTER (A)

DIGITAL

MODULE SHELF

Figure 6-1 Digital and BPSM module locations, including optional redundancy