TOKEN RING FIBER EXTENDERS
21
7.
'
Troubleshooting
Power
LED
Copper
LED
Fiber
LED
Rx
Alarm
Mode
Condition
Off
D/C
D/C
D/C
ANY
The LCL112A-TR is not receiving
power. Check that external PSU is
powered up and correctly
connected to the LCL112A-TR. If
swapping the PSU does not
correct the fault check that local
AC supply is working. If
t
LCL112A-TR power LED is st
extinguished, return the
LCL112A-TR to your supplier.
On
Off
Off
On
ANY
The LCL112A-TR cannot see unit
at the far end of the link. Either
remote LCL112A-TR is
unpowered (see above) or receiv
path is faulty. Check receiv
power at this LCL112A-TR is
greater than -32dBm. Note that
the Single-mode LCL112A-TR is
a 1300nm device and an
appropriate power meter must
used.
On
Off
Off
Off
LOBE
ACL
ON
NODE
The LCL112A-TR can see the far
end LCL112A-TR device. T
copper link to the station is not
inserted. Check that cables ar
correctly attached, and a straight
through cable is used.
NOTE: This condition will exist
each time the local station is
powered off.
