Comtech EF Data SDM-9220 - Manual (Page 103)

Product Description
Memotec Inc. 5-25
Intf. Card LED Color Indication
Single/
Dual port
T1/E1 SYN-AL Off Either the port is not configured (State =
DISABLED
) or the interface card did not
pass the power-up self test and is not func-
tional
Green The digital link is synchronized
Amber One or more Yellow Alarms have
occurred on the link.
Note:
The NetPerformer assumes that
the physical link is out of sync
when a yellow alarm is detected,
and brings down any active chan-
nels on that link
Red A fatal error has occurred, for example,
loss of synchronization on the digital link
T1-E1 Off Either the port is not configured or the
interface card did not pass the power-up
self test and is not functional
Green The port has been configured for T1 oper-
ation
Yellow The port has been configured for E1 oper-
ation
TE-NT Off Either the port is not configured or the
interface card did not pass the power-up
self test and is not functional
Green The port Line mode has been configured
for NT operation
Yellow The port Line mode has been configured
for TE operation
D-CH Off The D-channel is DOWN
Green The D-channel is UP
Table 5-8: Status LED indicators on channelized digital interface cards