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2.9 LED Indication
LED
Function
State
Interpretation
PWR
Power status
ON
The power is supplied to the unit.
OFF
The power is not supplied to the unit.
LTP
Local TP status
ON
Local TP port status displayed on TPxxx LEDs
OFF
Remote TP port status displayed on TPxxx LEDs
Blink
Fail to display remote TP port status
Remark: 1. LTP is always ON if remote TP status auto-report function is disabled.
2. When remote TP status auto-report function is enabled, LTP is ON and
OFF for ten seconds respectively.
LBT
Loopback Test
Blink
Loopback Test in operation
ON
Loopback Test Result is displayed on LBR LED.
OFF
Loopback Test stops
Remark: 1. LBT blinks to indicate loopback test in operation.
2. LBT is ON for 10 seconds to indicate a test result is displayed on LBR.
LBR
Loop Back Test Result
ON
Loopback Test OK
Blink
Loopback Test failed
Remark: 1. LBR display is valid only when LBT is ON.
2. LBR is displayed for 10 seconds to indicate a loopback test result.
FXLNK FX port link status
ON
A 1000M link is established on FX port. (No traffic)
Blink
Port link is up and there is traffic.
OFF
FX port link is down.
TP1G
TP 1000M link status
ON
A 1000M link is established on TP port.
OFF
TP port link is down.
TP100
TP 100M link status
ON
A 100M link is established on TP port.
OFF
TP port link is down.
TP10
TP 10M link status
ON
A 10M link is established on TP port.
OFF
TP port link is down.
TPFDX TP duplex status
ON
Full duplex on TP port
OFF
Half duplex on TP port
