Huawei TP482000B Series User Manual page 69

TP482000B V300R002C03 Telecom Power
(TP482000B-N20B1, TP482000B-N20B2,
TP481200B-N20B1, and TP481200B-N20B2)
User Manual
Procedure
Step 1 Connect the ground cable for the ESD wrist strap, and put on the ESD wrist strap and ESD
gloves.
Step 2 Record the positions of cables connected to RJ45 ports on the power distribution monitoring
unit, and disconnect the cables from the ports.
Step 3 Unscrew and remove the cover from the power distribution monitoring unit, as shown in
Figure
Figure 7-13 Removing the cover from the power distribution monitoring unit
Step 4 Remove the signal sampling board, as shown in
1.
2.
3.
Issue 07 (2020-04-10)
7-13.
Record the positions of cables connected to the signal sampling board, and disconnect
the power cable from the J98 port on the signal sampling board.
Disconnect communications cables and signal cables from the signal sampling board.
Unscrew and remove the signal sampling board.
Copyright © Huawei Technologies Co., Ltd.
Figure 7-14.
7 Parts Replacement
63