1.
Preventive Maintenance Guidelines (Backbone Transmission O&M)
1.1. Environmental Check List
Backbone Equipment Checklist
NO TASK OK (Complete) OK (But has Issue) REMARK
1 Is the cabinet is clean from dust?
2 Is Filters status is normal and clean?
3 Check internal FAN is working properly.
4 Is all Cables is Labeled properly?
Check major and minor alarms in all
5
equipment's and try to clean all.
Check the equipment rack and sub rack
6
clean.
7 Check the designation labeled on the rack
8 Is a Site generator working properly
9 Verify the power input voltage
10 Is a Sites load battery condition Is good
Ensure the whole system gets the normal
11
power supply
12 Is the rooms clean from Dust?
Is the equipment room air conditioning and
13
ventilation condition good?
Is the Equipment room’s air conditioner
14
working properly?
Is the Equipment room lighting and socket
15
outlet system working properly
Is there waterproof condition any water or
16
water leakage for equipment room?
Whether the equipment room achieves
17 airtight, windows and doors are closed
always
Whiter the electric appliance illumination
applied for the equipment room is good.
18
Check and avoid the sunlight incidence to
the equipment directly.
Check the absolute equipment are powered
19
off & dismantled
Check whether there are the fire precautions
20
(fire extinguishers)
21 Is the room clean from Rodent effect?
Is the Equipment rooms need additional air
22 conditioner, maintenance of existing AC or
new AC
NO ACTION OPERATIONAL GUIDE LINE
1 Clean the equipment room. Check whether the following items in the equipment room
are clean: the cabinet, equipment shell, equipment interior,
tables, floor, doors, and windows.
Check Unused Material in the Equipment
2 Clean all unused materials from Equipment room.
room.
3 Check the power cables. Check the power cable connections.
Use a multi-meter to measure the voltage of the power
4 Check the voltage.
supply.
5 Check the Equipment fans. Check whether fans work properly.
Check the dustproof filters in the cabinet
6 Clear dust on the dustproof filters.
(Indoor Cabinet).
Check whether the indicators on the modules and boards
7 Check the indicators on each board.
inside the cabinet work properly.
Identify the root cause and Clear all Critical alarms
8 Check Critical alarm on a site.
accordingly.
Identify the root cause and Clear all Major alarms
9 Check Major alarm on a site.
accordingly.
Identify the root cause and Clear all Minor alarms
10 Check Minor alarm on a site.
accordingly.
Identify the root cause and Clear all Warning alarms
11 Check Warning alarm on a site.
accordingly.
12 Check the Surrounding Area Status. Clean the surrounding area.
Check the Air conditioner in Equipment
13 Check if the Air conditioner is working properly or not.
room.
1.2. 1.2 Equipment Check List
