Service Manual
GSM-204-523
Additional replacement parts
31st Oct 01
Maintenance Information: Horizon
macro
outdoor
68P02902W04-A
CONTROLLED INTRODUCTION
Maint. 3–47
Additional replacement parts
Policy on
non-FRU parts
Non-FRU parts are:
Items unlikely to fail, but replacement of which is essential if failure occurs.
or
Subunits of FRUs, where local conditions may make it more economical to
repair the FRU.
CAUTION
Only qualified personnel should attempt non-FRU
replacement, in order to minimize risk of equipment
damage. For example, the CBIA main cage requires care
in removal and installation.
List of non-FRU
parts
Non-FRU parts include the following:
Door lock.
Any part of CBIA: main cage, harness, interface panel, backplane.
The PSU cage.
The cabinet.
Procedure for
replacing
non-FRU parts
Customers requiring non-FRU replacement should:
1. Contact the local Motorola office for availability.
2. Seek advice from Motorola for fitting non-FRU parts.
CBIA
attachment
screws
The CBIA is attached to the cabinet by screws which should not be loosened:
Seven M4 screws to the SURF harness (two guide pins lock the cage into
position).
Four M6 (left side) and five M6 (right side) screws at the cabinet front.
Eight M6 T30 screws for interface panel attachment to the top panel.