B
PMI checklist
NOTE
PMI: preventive maintenance inspection.
PMI Date:
PMI Personnel:
Site Name:
EDFA Quantity:
Type
Check Item
Reference Standard
Check
Result
Rem
arks
Operating
environment
Operating
temperature and
humidity (in the
equipment room
and the cabinet)
l
For the EDFA, operating
temperature: -5°C to 65°C,
humidity: 5% to 95% RH.
l
Air conditioners in the
equipment room work
properly.
□Pass
□Fail
□N/A
Surroundings of
the device
l
No obvious dust is found on
the surface of the device or the
wall in the equipment room.
l
The device is far away from
contaminants such as fumes
and sulfide.
l
No mice or insects exist.
l
The equipment room is
equipped with smoke sensors
and anti-theft alarms.
□Pass
□Fail
□N/A
Air vents of the
EDFA and the
cabinet
Air vents of the EDFA and the
cabinet are not blocked. Air intake
and exhaust are normal.
□Pass
□Fail
□N/A
EDFA0820-D
Routine Maintenance Guide
B PMI checklist
Issue 02 (2018-07-02)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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