Cables - Huawei TP48200A-D17A5-2 Telecom Power User Manual

TP48200A-D17A5-2 Telecom Power
User Manual
No. Item
output voltage and the measured
DC busbar voltage is less than
0.5 V DC.

4.1.6 Cables

Table 4-6 Cable maintenance
No. Maintenance Item
1 Check whether signal cables
and power cables are separately
bound.
2 Check whether cables are at
least 20 mm away from DC
negative busbars, fuses, and
shunts.
3 Check whether all cables are
bound properly.
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 have
overheated and are
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.
Issue 04 (2019-12-20)
Possible Cause
contact.

The SMU is faulty.
If...
Cables are not properly
installed.
Cables are not properly
installed.
Cables are not properly
installed.
Cables are not properly
installed.
Cables corrode after being
used for a long time.
Cables are not properly
installed.
Cables are not properly
installed.
Cables are not properly
installed.
Cables are not properly
installed.
Cables are not properly
installed.
Copyright © Huawei Technologies Co., Ltd.
4 Maintenance
Suggestion
connections.
2. Replace the SMU.
Then...
Install cables properly, and bind
signal cables and power cables
separately.
Install cables properly and
ensure a safe distance.
Bind cables properly.
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 and adjust
the cable routing.
Replace the cables and adjust
the cable routing.
Adjust the cable routing to
prevent cable overheating.
Use standard terminals.
37