DEFINITY Enterprise Communications Server Release 7
Maintenance for R7r
555-230-126 Issue 4
June 1999
Maintenance Object Repair Procedures
9-1836UDS1-BD (UDS1 Interface Circuit Pack)
9
r. Far CSU Loopback deactivation er ror. This error occurs when the TN464F
circuit pack c ould not deactivat e a far-end CSU loopback on
power-up/reset or upon software request .
Attempt to clear the alarm via the follo wing commands:
busyout board
UUCSS
,
test ds1-loop UUCSS end-loopb ack/span-test
,
release board
UUCSS
. If the attempt to deactivate the Far CSU loopback continues to
fail, then escalate the problem.
s. LAN Bus Timeout Error. This error occurs when the circuit p ack transmits
too many bytes on the LAN bus for a sing le frame. This condition may b e
caused by an on-bo ard fault or by faulty data received on one of the circuit
pack’s external por ts. If any of the ports on this ci rcuit pack are alarmed ,
refer to the repair procedu res for those maintenance objects .
If the error occurs three times within 10 minutes, the b oard will be isolated
from the Packet Bus and the board will b e alarmed. To clear the alarm and
restore the board to the Packet Bus, use the following commands:
busyout board UUCSS, reset board UUCSS, test board UUCSS long,
release board UUCSS.
If the problem persists, and there are no PKT-BUS alarms or port alarms,
then replace the circu it pack.
t. The hyperactive circuit pack is out-of-servic e and may exhibit one or more
of the following symptoms:
1. The common circuit pack level tests such as Test #50 and/or Test
#52 are aborting with error cod e 2000.
2. The tests run on the ports of this circuit p ack are returning with a
NO-BOARD.
3. A busyout/release of the circ uit pack has no affect on tes t results.
4. A list configuration command shows that the circ uit pack and
ports are properly install ed.
The circuit pack is isolated from the system and all trunks or por ts on this
circuit pack are placed into the out-of-ser vice state. The system will try to
restore the circuit pack within 20-30 minutes. When no faults are detected
for 20-30 minutes, the UDS1 Interface circuit p ack is restored to normal
operation. All trunks or ports of the UDS1 Interfac e circuit pac k are then
returned to the in-service state. If the b oard is not restored to normal
operation, or the error recurs after the b oard was restored to normal
operation, escalate the prob lem.
u. For later releases of G3V4 and beyond, only error 3073 will show that t his
board is receiving slips and the AUX data shows the las t slip count that
was reported.
v. LAN Critical Error. A critical failure has b een detected in the Packet Bus
interface of the circuit p ack. This failure may be due to an on-b oard fault or
a Packet Bus fault. If the Packet Bus is alarmed, refer to the PKT-BUS
Maintenance documentatio n for recommended rep air procedures.