ZXG10 BS21 (V2.2) Compact Outdoor BTS for GSM Maintenance Manual
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Confidential and Proprietary Information of ZTE CORPORATION
and fault. Store the faulty modules properly in the carton. Label the
carton for easy identification and handling in the future.
vi.
According to the name of the spare PSM module, push it into the
layer where PSM is located. Hold the panel handles with both hands
and gently push it in slowly till the two ears on the module are in
contact with the column, for this means the module is already
inserted into the right place; then tighten the fix screw on the ear.
vii.
Insert all the connectors connected with it at the back of the PSM
module and lock them tightly.
viii.
Switch on the main power switch and the breaker switch of all the
modules on the PSM panel.
4.
Confirmation after replacement
After the module is inserted and powered on, it can be seen that green
indicator in the module plug-in box is on from the back of the module;
meanwhile, the fan is normally started on the front panel, which
indicates the PSM main module is already working normally; otherwise
it is necessary to find out the PSM failure cause and switch on again all
the breaker switches of relevant modules on the PSM front panel. If
the power indicators of all the modules are on in green, it means PSM
module power output is completely normal; otherwise it is necessary to
find out the PSM failure cause.
Power Lightning Protection
Module Replacement
1.
Tools
None.
2.
Preparation:
i.
Perform the fault observation and analysis and determine the fault
and whether it is necessary for a replacement.
ii.
Prepare a good spare part with the same type as that of the faulty
module.
iii.
Prepare an antistatic bag, anti-humidity bag, classified carton and
some mark labels.
3.
Procedure
i.
Put on the antistatic wrist strap correctly.
ii.
Turn off the main power and power off all the modules to be
replaced on PSM.
iii.
Unplug the faulty lightning protection module from the cabinet front
panel.
iv.
Put the replaced the faulty module in an anti-static bag containing
the damp-proof bag and label it, marking the module type and the
