Status Led Indicators On Channelized Digital Interface Cards - Comtech EF Data NetPerformer SDM-9 Series Hardware Installation Manual

Memotec Inc.
Intf. Card LED
Single/ SYN-AL
Dual port
T1/E1
T1-E1
TE-NT
D-CH
Table 4-9: Status LED Indicators on Channelized Digital Interface Cards
Color
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
One or more Yellow Alarms have
Amber
occurred on the link.
The NetPerformer assumes that
Note:
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
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
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
Off The D-channel is DOWN
Green The D-channel is UP
Product Description
Indication
4-29