Adtran T1 CSU ACE Benutzerhandbuch
Chapter 1. General
24
T1 CSU ACE User Manual
61203022L1-1B
ALARMS
The T1 CSU ACE provides five LED alarms on the front of the unit to
help troubleshoot the communication channel. See Figure 4.
The alarm descriptions are as follows:
help troubleshoot the communication channel. See Figure 4.
The alarm descriptions are as follows:
•
The
POWER
LED shows that the unit is receiving power.
•
The
SYNC
LED indicates signal is present on both the Network
and the Equipment interface.
•
NET LOS
indicates loss of signal (LOS) from the network.
•
NET MAN LB
indicates a network loopback has been activated
manually from the rear panel.
•
NET RMT LB
indicates a network loopback has been activated
over the network.
•
EQ LOS
is illuminated when there is a loss of signal on the equip-
ment side.
•
EQ MAN LB
indicates a loopback on the equipment side has been
activated manually from the rear panel.
•
EQ RMT LB
indicates a loopback sequence has been detected
from the equipment side.
Figure 4. T1 CSU ACE LED Alarms