Huawei OptiX RTN 950 Quick Installation Manual page 9

Precautions for Handling the IF Board
拔插中频单板操作注意事项
Before removing or inserting the IF board, you must power off the ODU.
必须先关断ODU电源，才能拔插中频单板。
Power off the ODU.
关断ODU电源
Do not remove or insert the IF board when the ODU is powered on.
禁止在未关断ODU电源时带电拔插中频单板！
1
Disconnect the IF Jumper.
断开中频跳线
2
4
3
Remove the
IF board.
拔出中频单板
3
Insert the IF
board.
插入中频单板
Remove or insert the IF board.
拔出／插入中频单板