User manual

Raisecom Technology Co., Ltd

7. Q & A

If there are any problems during installation and using, try the following proposals. If the

problems still can not be solved, please contact distributors/agents for help.

z PWR, PWR1 and PWR2 are all OFF

Please check if power supply cable is connected and then check if the Power Supply

Board works normally

z SYS indicator is not flashing

The equipment is down, please restart the device or tell us. Please remember that the

SYS indicator will become flashing a little time later after powered on.

z E1 LOS indicator is ON

Loss of receiving signal occurs at e1 port. Check whether E1 cable is connected correctly;

if there is still LOS alarm please change the E1 cable otherwise there is something wrong

with the equipment.

z Ethernet LINK indicator OFF

Please check if the UTP cable is broken off first and then check if the equipment that

connects with RC953-8FE16E1 works normally. Please make sure that the correct

Ethernet cable is used.