User manual

Raisecom Technology Co., Ltd
9
RC953-FE8E1;
z RC953-FE4E1 and RC953-FX4E1are labeled as
RC953-FE4E1;
SYS Green Flashing indicates the system works normally
2
PWR Green Power supply indicator, ON indicates the power supply
works normally
3
LOOP Yellow Loop back indicator.
When the remoter E1 loop back test is enable, ON
indicates the loop back is successful and OFF
indicates unsuccessful loop back test;
When local E1 loop back test is enable, ON indicates is
test is processing and OFF indicates there is no local
E1 loop back.
LOS
Red Each E1 line has a LOS indicator and ON indicates
local loss of signal.
* Both LOS and LER ON indicate GID alarm.
PAT
Yellow Each E1 line has a PAT indicator: when enable BERT
function flashing indicates there is error bit and ON
indicates there is no error bit.
*OFF, when BERT function is not enabled.
LER
Red or
yellow
Each E1 line has a LER indicator which indicates other
alarms of E1 line, including:
z AIS: Red and flashing;
z LOF: yellow and ON;
z CRC: yellow and flashing;
z OFF indicates no above alarms;
* If there is LOS alarm, this indicator will be OFF
* Both LOS and LER ON indicate GID alarm.
4
RAL
Red or
yellow
Each E1 line has a RAL indicator. If the remote E1
equipment is also Raisecom, this indicator can indicate
alarms of remote E1 equipment:
z LOS, Red and ON;
z AIS, Red and flashing;
z LOF, Yellow and ON;
z CRC, Yellow and flashing;
*OFF indicates there is no alarm on remote Raisecom
E1 equipment.
5
SW1 for
RC953-FE4E1
and
RC953-FX4E1
This bank of DIP-switch indicates the type of E1
connector for RC953-FE4E1 or RC953-FX4E1:
balanced or unbalanced.
ON is in the bottom and OFF is in the above, all the bits
are OFF by default.
z First bit: ON, the connector of first E1 is balanced
RJ-45 connector;OFF, the connector of first E1 is