Huawei pRRU3901, Руководство по обслуживанию

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Item Check Frequency Operation Reference
Standard
Indicators Monthly or quarterly Check whether the
indicators on the
equipment are
working properly.
For details about the
indicator status, see
RHUB Ports and
Indicators in
LampSite Hardware
Description
.
Electrostatic
discharge (ESD)
wrist strap Quarterly Check the ESD wrist
strap in either of the
following ways:
l Use an ESD wrist
strap tester to
check the ESD
wrist strap.
l Use a multimeter
to test the ground
resistance of the
ESD wrist strap.
If you use an ESD
wrist strap tester, the
GOOD indicator is
on. If you use a
multimeter, the
ground resistance of
the ESD wrist strap
ranges from 0.75
ohms to 10 ohms.
Maintenance Items for the Power System and Grounding System
Table 2-3 lists the maintenance items for the power system and grounding system.
Table 2-3 Maintenance items for the power system and grounding system
Item Check Frequency Operation Reference
Standard
Power cables Monthly or quarterly Check the power
cable connections.
The power cables are
securely connected
and not deteriorating.
The joints are not
corroded.
Voltage Monthly or quarterly Use a multimeter to
measure the voltage
of the power supply.
The voltage is in the
permissible range.
PGND cables Monthly or quarterly Checks whether the
PGND cables and
ground bar are
securely connected.
The joints are secure
and not corroded.
The PGND cables
and ground bar are
not deteriorated and
are protected from
corrosion.
LampSite
Site Maintenance Guide
2 RHUB Maintenance Items
Issue 02 (2014-05-27) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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