Trouble locating and clearing procedures (continued) 1-635
DMS-100 Family NA100 Trouble Locating and Clearing Procedures Volume 2 of 2 LET0015 and up
Troubleshooting a customer-reported failure
No PM alarms
(continued)
11
Determine from the MAP banner if any alarms are present under the PM
header.
12
Perform the correct procedures to clear the alarm. Refer to
Alarm and
Performance Monitoring Procedures.
13
Check the operational measurements (OM) that apply to DataSPAN. Look for
high counts of cyclic redundancy check (CRC) errors in:
•
OM group FRSAGENT, register PTERR for each involved agent
•
OM group FRSPM, register PORTERR for each involved device
•
OM group FRT1, register FRT1CRC for the involved carrier
For example, to check register FRT1CRC for OM group FRT1, type
>OMSHOW FRT1 ACTIVE 3
and press Enter.
Example of a MAP response
For more information on OMs, refer to
Operational Measurements Reference
Manual.
14
To post the access channel, type
>CARR;CHAN;POST chan_no
and press Enter.
where
chan_no
is the channel number that appears in response to the PVDNCI
command
Example of a MAP display:
If alarms
Do
are present
step12
are not present
step13
CLASS: ACTIVE
START:1997/08/21 21:15:00 THU; STOP:1997/08/21 21:16:10 THU;
SLOWSAMPLES: 1; FASTSAMPLES 7;
INFO (FRT1OMINF)
FRT1LCGA
FRT1RCGA
FRT1LOF
FRT1SBU
FRT1MBU
FRT1CBU
FRT1BER
FRT1ES
FRT1SES
FRT1UAS
FRT1AIS
FRT1CRC
3 FRIU
29
0
0
0
0
0
0
0
0
0
0
0
0
