DEFINITY Enterprise Communications Server Release 7
Maintenance for R7r
555-230-126
Issue 4
June 1999
Maintenance Object Repair Procedures
9-1835UDS1-BD (UDS1 Interface Circuit Pack)
9
m. DS1 circuit pack suffix incorrect for CSU Module. The
Near-End CSU Type
field on the
add ds1
form has been administered as
integrated
but the
DS1 circuit pack is not a TN464F or later suffix UDS1 board.
If the 120A1 CSU Module is to be used, remove the circuit pack and
replace it with a TN464F or later suffix board. Otherwise, use the
change
ds1
command to change the
Near-End CSU Type
field to
other
.
n. BLB failure. This error occurs when the DS1 Board Loopback (BLB)
demand test fails. Repeat the test using the following commands:
busyout
board UUCSS
,
test ds1-loop UUCSS ds1/csu-loopback-tests
,
release
board UUCSS
. If the BLB test continues to fail, then the TN464F circuit
pack needs to be replaced.
o. ELB failure. This error occurs when the Integrated CSU (I-CSU) Module
Equipment Loopback (ELB) test fails. This test is executed by the I-CSU
during I-CSU power-up/reset (i.e.- TN464F board physically inserted and
120A1 CSU Module already installed) or when the 120A1 CSU Module is
plugged on to an already initialized TN464F DS1 board. The ELB test is
also executed as part of the command
test ds1-loop UUCSS
ds1/csu-loopback-tests
.
Attempt to clear the alarm via the following commands:
busyout board
UUCSS
,
test ds1-loop UUCSS ds1/csu-loopback-tests
,
release board
UUCSS
. If the ELB test continues to fail, then either the TN464F board, the
CSU Module, or the I/O cable between the backplane and the CSU
module (or any combination thereof) has failed. Attempt to isolate where
the failure is occurring by re-executing the test and by replacing one piece
of hardware at a time.
p. RLB failure. This error occurs when the Integrated CSU (I-CSU) Module
Repeater Loopback (RLB) test fails. This test is executed by the I-CSU
during I-CSU power-up/reset (i.e.- TN464F board physically inserted and
120A1 CSU Module already installed) or when the 120A1 CSU Module is
plugged on to an already initialized DS1 board. The RLB test is also
executed as part of the command
test ds1-loop UUCSS
ds1/csu-loopback-tests
.
Attempt to clear the alarm via the following commands:
busyout board
UUCSS
,
test ds1-loop UUCSS ds1/csu-loopback-tests
,
release board
UUCSS
. If the RLB test continues to fail, then the CSU Module needs to be
replaced.
q. CPE Loopback Jack deactivation error. This error occurs when the
TN464F circuit pack could not deactivate a CPE Loopback Jack on
power-up/reset or upon software request.
Attempt to clear the alarm via the following commands:
busyout board
UUCSS
,
test ds1-loopback UUCSS end-loopback/span-test
,
release
board UUCSS
. If the attempt to deactivate the CPE Loopback Jack
continues to fail, other steps must be taken to deactivate the loopback.
