Product specifications
11
The following table describes the LEDs’ function of device.
LED Color Action Description
On Power is on.
POWER Green
Off Power is off.
On System loss.
ALARM Red
Off System is working nomarally.
On System is testing for connection.
TEST Yellow
Off System is working nomarlly.
On SHDSL line is connected.
Blink Data transmit in SHDSL line.
SYNC Green
Off SHDSL line is dropped.
Blink Error second occurs.
ERROR Red
Off No error second.
On Loopback is on.
G.SHDSL
LBK Yellow
Off Loopback is off.
On E1 line is connected.
SYNC Green
Off E1 line is dropped.
Blink There are error seconds.
ERROR Red
Off There is not any error second.
On Loopback is on.
G.703
LBK Yellow
Off Loopback is off.
On Data transmit in V.35.
TxD Green
Off No data transmit in V.35.
On Data receive in V.35.
RxD Green
Off No data reveive in V.35.
Blink Error second occurs.
Data
ERROR Red
Off No error second.
On Data transmit in Ethernet.
LINK/
ACT
Green
Off No data transmit in Ethernet.
On Data receive in 100M.
100M Green
Off No data receive in 100M.
Blink Error collision occurs.
ETH
COL Red
Off No error collision.