-20-
2.9 LED Indication
LED
Function
State
Interpretation
ON
The power is supplied to the unit.
POWER Power
status
OFF
The power is not supplied to the unit.
ON
Local TP port status displayed on TPxxx LEDs
OFF
Remote TP port status displayed on TPxxx LEDs
LTP
Local TP status *
1
Blink
Fail to display remote TP port status
*1: LTP is always ON if remote TP status auto-report function is disabled.
When remote TP status auto-report function is enabled, LTP is ON and OFF for ten seconds
respectively.
Blink
Loop-back Test in operation
ON
Loop-back Test Result is displayed on LBR LED.
LBT
Loop-back Test *
2
OFF
Loop-back Test stops.
*2: LBT blinks to indicate loop-back test in operation.
LBT is ON for 10 seconds to indicate a test result is displayed on LBR.
ON
Loop-back Test OK
LBR
Loop-back test result *
3
Blink
Loop-back Test failed
*3: LBR display is valid only when LBT is ON.
LBR is displayed for 10 seconds to indicate a loop-back test result.
ON
1000M link is established on TP port.
TP1G
TP 1000M link status
OFF
TP port link is down.
ON
100M link is established on TP port.
TP100
TP 100M link status
OFF
TP port link is down.
ON
10M link is established on TP port.
TP10
TP 10M link status
OFF
TP port link is down.
ON
Full duplex on TP port
TPFDX
TP duplex status
OFF
Half duplex on TP port
ON
PoE power is ON.
PoE
PoE power status
OFF
PoE power is OFF.
ON
1000M link is established on FX port. (No traffic)
Blink
Port link is up and there is traffic.
FX_LINK FX port link status
OFF
FX port link is down.
FX_GE
GE SFP status
ON
GE SFP is selected.
FX_FE
FE SFP status
ON
FE SFP is selected.
