Service Manual

GSM-205-423
Powering up the cabinet
31st Oct 01
Inst. 4–6
Installation & Configuration: Horizon macro indoor
CONTROLLED INTRODUCTION
68P02902W08-B
Powering up the cabinet
Power up
overview
This procedure assumes all previous procedures have been completed.
CAUTION
Ensure correct PSMs are fitted to match the supply source
voltage.
Ensure that there is no blockage to ventilation at the base
of the cabinet.
Power up
procedure
without code
load
The following procedure should be carried out to power up the cabinet, with no
code load. This proves the cabinet hardware is capable of operation. The
procedure for cabinet code load is described in the next section.
Relevant components are shown in Figure 4-2.
WARNING
Earth straps are not to be worn during the commissioning
of the power system, and watches and other jewellery
should be removed.
Only insulated tools should be used.
The power source must be supplied to the cabinet via a
suitable over-current protective device and be isolated
from the BTS cabinet.
Procedure to prepare cabinet for power up without code load
To prepare the cabinet prior to power up:
1. Ensure the power source isolator is switched off.
2. Disconnect all E1/T1 lines from the BTS.
3. If fitted, remove the optional PCMCIA card from the MCUF slot.
4. Set the switch of each PSM to the OUTPUT DISABLE position.
5. Press and release all push on/push off circuit breaker buttons to the out
(off) position.