TP482000B V300R002C03 Telecom Power
(TP482000B-N20B1, TP482000B-N20B2,
TP481200B-N20B1, and TP481200B-N20B2)
User Manual
Copyright © Huawei Technologies Co., Ltd.
Figure 7-22 Removing a signal transfer board
Step 7 Place the new signal transfer board in position and tighten the screws.
Step 8 Connect the cables to the new signal transfer board based on the recorded information.
Step 9 Place the cover on the signal transfer board, and tighten the screws.
Step 10 Place the cover on the power distribution monitoring unit, and tighten the screws.
Step 11 Reconnect the cables to the RJ45 ports on the power distribution monitoring unit based on the
recorded information.
Step 12 Loosen the screws on the maintenance terminal of the AC transformer in the AC cabinet,
move the metal bridgeware to the original position, and tighten the screws.
Step 13 Disconnect the ground cable for the ESD wrist strap, and take off the ESD wrist strap and
ESD gloves.
----End
7.4 Replacing an AC SPD
Prerequisites
You have obtained an ESD wrist strap, a pair of ESD gloves, an ESD box or bag, a tool
kit, and the cabinet door key.
The new AC SPD is intact and the indication window is green.
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