Huawei TP482000B Series User Manual page 58

TP482000B V300R002C03 Telecom Power
(TP482000B-N20B1, TP482000B-N20B2,
TP481200B-N20B1, and TP481200B-N20B2)
User Manual
No. Check Item
3 Check whether all cables are
bound neatly.
4 Check whether the cabinet
ground bar is securely connected
to the site or equipment room
ground point.
5 Check whether ground cables are
rusty.
6 Check whether the DC RTN+
busbar is grounded.
7 Check whether cables are at
danger of overheating
deteriorating.
8 Check whether cables are
misshapen by metal parts.
9 Check whether cables pass
behind the air exhaust vents of
rectifiers.
10 Check whether power cables use
standard terminals.
11 Check whether cable insulation is
damaged.
Issue 07 (2020-04-10)
If...
Cables are not properly bound.
The cabinet ground bar is not
securely connected to the site or
equipment room ground point.
Cables have corroded after
being used for a long time.
The DC RTN+ busbar is not
properly grounded.
 Cables are too thin.
 Cables are not properly
routed.
Cables are not properly
installed.
Cables pass behind the air
exhaust vents of rectifiers.
Cables do not use stand
terminals.
Cable insulation is damaged.
Copyright © Huawei Technologies Co., Ltd.
6 Routine Maintenance
Then...
Bind cables neatly.
Connect the cabinet ground bar
to the site or equipment room
ground point.
Replace rusty cables.
Connect the ground cable to the
DC RTN+ busbar properly.
 Replace the cables with
cables of the required
thickness.
 Route the cables properly.
Replace the cables and route
them properly.
Reroute the cables to prevent
cable overheating.
Replace with standard terminals.
Reinsulate the cables with
insulation tape.
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