Programming instructions

345
Status LEDs
Quad BRI Framer Module
For each BRI port on the Quad BRI MMC, there are two LEDs - red on the
upper left and green on the upper right. These LEDs represent the status
of the BRI ports as described in Table 106.
Figure 93: Controller BRI Framer LEDs
Table 106: Controller BRI Framer LEDs
LED
Meaning
Alarm Status
Red
Green
OFF
OFF
BRI port not programmed. Link Descriptor
is not assigned in the Digital Link
Assignment form.
Red
Green
ON
OFF
BRI port programmed but not active. BRI
cable not plugged in, or wrong cable type
(1:1 or crossover). BRI link may not be
active (or layer 1 power save is active). No
alarms are returned to the 3300 and
circuits are idle.
To prevent routing problems when there is
a faulty BRI port, program the
MSDN/DPNSS Stepback feature. Refer to
the System Administration Tool online Help
for details.
Red
Green
OFF
ON
BRI port programmed and active. Does not
mean that the D-channel is active. BRI can
negotiate this on a per-call basis.