92
SALES: 0870 90 10 750
Dual Trunk E1 Router User’s Guide
Dual Trunk E1 Router
The
NET
LED remains constant
amber/yellow.
• Incoming RAI or UAI.
• Check to see if the LRU4240 is
receiving a RAI alarm or an AIS
alarm.
• Make sure the remote/far end
system is receiving a proper E1
signal. If it is not, it will be
generating a RAI alarm towards
your equipment.
• If the system is still receiving a RAI
alarm, place the E1 test set or the E1
loopback plug on the RJ-48C or
BNC socket on the back of the
LRU4240. If the RAI alarm stops,
contact your service provider for
assistance.
• If, after all above steps have been
satisfied, your LRU4240 still shows
a yellow
NET
LED, call Black Box
Technical Support for assistance.
Table 11-2 Network Problems
(3 of 4)
Symptom
Probable Cause
Solution
Содержание LRU4240
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