User manual

Raisecom Technology Co., Ltd
11
E1 sub-channel, press “mask” button to “on” to musk the alarm after finishing the
configuration of device.
z Mask button is on, but there is still alarm in unused E1 sub-channel.
Answer: probably the mask function is disabled if power supply is cut off and then turned on.
To solve is by pressing the mask button to “OFF”, and then pressing to “on” to enable mask
function.
• How to unplug the coaxial cable from the coaxial connector.
Answer: push the thickest part of the connector without turning, and then pull out the
coaxial cable.