Table 25. Channel Unit Alarms - ADC PG-Flex FLL-812 Manual

March 13, 2003
Alarms
RTCU 1 RING BUFFER FAILURE
RTCU 2 RING BUFFER FAILURE
RTCU 3 RING BUFFER FAILURE
RTCU 4 RING BUFFER FAILURE
If RTCU Ring Buffer Failure alarms are declared for all installed POTS Cards, the probable cause of failure is
a faulty ring generator. The RTLU will need to be replaced.
ADC Telecommunications, Inc.

Table 25. Channel Unit Alarms

Value
CR, MJ, MN, NA, NR
CR, MJ, MN, NA, NR
CR, MJ, MN, NA, NR
CR, MJ, MN, NA, NR
SCP-FLL812-011-01H
Description
RTLU has detected a ring
buffer failure on RTCU1.
Associated CU must be
replaced to restore ringing
functionality.
RTLU has detected a ring
buffer failure on RTCU2.
Associated CU must be
replaced to restore ringing
functionality.
RTLU has detected a ring
buffer failure on RTCU3.
Associated CU must be
replaced to restore ringing
functionality.
RTLU has detected a ring
buffer failure on RTCU4.
Associated CU must be
replaced to restore ringing
functionality.
Default
MN
MN
MN
MN
105