Service Manual

GSM-205-523
12-monthly maintenance procedures
31st Oct 01
Maint. 1–8
Maintenance Information: Horizon macro indoor
CONTROLLED INTRODUCTION
68P02902W09-B
Checking
normal
operation
Check normal operation by visual inspection in the following procedure:
1. Inspect the inside of the cabinet and note any signs of physical damage,
overheating, loose connections, or badly fitting components. Take
appropriate action to correct the damage, and inform the OMC-R.
2. Ensure that the LEDs on modules shown in Table 1-3 are lit, this indicates
correct functioning of the cabinet. If any red LEDs are lit, other than the
door alarm (alarm 3 on the alarm module), inform the OMC-R.
Table 1-3 Normal LED indication of cabinet modules
Equipment with LEDs Colour of LEDs lit
CTUs in locations 0 to 5 Tx status (ORANGE) or
Operational status
(GREEN).
PSMs in locations 0 to 2 Top LED (GREEN).
Digital modules (NIU, MCUF, FMUX,
BPSM)
GREEN.
Alarm module 6, 7, 8 GREEN (fans)
3 RED (as door is open)
Annual check of
the installation
NOTE Refer to Installation and Configuration: (GSM-205-423) to
carry out the following procedures.
It is recommended the following be performed annually:
 Power down cabinet.
 Earth continuity check.
 Power system insulation check.
 Check of electricity company connection.
 Pre-power up check of supply and earth connection security and
condition.
 Power up of cabinet.
Log the maintenance activity.
After procedures have been completed, restore the cabinet to operational state
and notify the OMC-R of base station availability.