Huawei OptiXRTN 980L Quick Installation Manual page 10

Precautions for Handling the Toggle Lever Switch
• Position and description of the toggle lever switch
CAUTION
•Turn the toggle lever switch only after gently
pulling it out.
•Switch off power before you remove or insert
IF cables.
•Turning on the switch
1
1
Pull the switch out gently.
•Turning off the switch
1
Pull the switch out gently.
1
I: ON
2
2
Turn the switch.
2
Turn the switch.
2
9
O: OFF
3
3
Release the switch.
3
Release the switch.
3