Service Manual

GSM-205-523
Routine maintenance overview
31st Oct 01
Maintenance Information: Horizon macro indoor
68P02902W09-B
CONTROLLED INTRODUCTION
Maint. 1–1
Routine maintenance overview
In this chapter
This chapter contains the procedures for the routine maintenance of a
Horizon
macro Indoor base transceiver station (BTS).
NOTE
Since a Horizon macro BTS operates as part of a network,
the procedures in this chapter must be performed in
conjunction with the relevant network procedures in the
associated OMC-R manuals. Before attempting any work
on the cabinet, contact should be made with the OMC-R
to advise on proposed activity.
Safety
WARNING Potentially lethal voltages and high energy sources are
present in the cabinet when the external ac mains isolator
switch is set to the on position and/or batteries are
connected. Remove rings, watches and jewellery before
starting these procedures, and exercise extreme caution
when working on the equipment.
Maintenance procedures on this equipment must only be
carried out by suitably qualified personnel.
Safety features are built into the equipment to protect against the potentially
lethal hazards that exist. All statements regarding safety within these routine
maintenance procedures must be adhered to when working on the equipment.
Reporting
faulty devices
During routine maintenance and FRU replacement procedures, it may be
possible to identify signs of damage that might indicate a problem that could
repeat, cause additional damage, or be a symptom of a failure elsewhere.
Analysis of the problem may identify the fault and make corrective action
possible.
Whenever a safety issue arises:
 Inform the OMC-R that an equipment safety problem has been identified.
 Make the equipment concerned safe, for example, by removing power.
 Make no further attempt to tamper with the equipment..
 Report the problem directly to GSM Customer Network Resolution Centre
[phone] (telephone) and follow up with a written report by fax
[phone] (fax).
 Collect evidence from the equipment under the guidance of the Customer
Network Resolution Centre.
 Seek local office advice.