Mitel SX-200 DIGITAL Pabx Engineering Information Manual

Troubleshooting 
CHART 3-2 
OPS LINE CARD TROUBLESHOOTING PROCEDURES 
itep Action Description / Follow-up Remarks 
1 
Verify the problem. l Go to step 2. 
2 Disconnect the affected circuit(s) from the * Go to step 3. 
cross-connect field. 
3 Use a butt-set to check if the problem persists. Yes: o Go to step 4. 
No : * Problem lies outside the PBX. Check for 
problems with cabling and the telephone 
set. 
4 Log into the Maintenance Terminal. m Must enter username and password. See Note 
1 
5 Use SHOW...

Troubleshooting 
a CHART 3-2 (Cont’d) 
OPS LINE CARD TROUBLESHOOTING PROCEDURES 
itep Action 
14 Ensure sufficient receivers are provided to carry 
the peak traffic load. Enough receivers? 
15 Check if Side Tone is present. Description I Follow-up Remarks 
No : 
l Add receivers as required; if problem see Note 
persists, go to step 15. 4 
Yes: l Go to step 15. 
Yes: 
l Go to step 16. 
No : l Replace the line card and retest; if 
problem persists, go to step 28. 
16 Check if calls can be completed without...

Troubleshooting 
CHART 3-2 (Cont’d) 
OPS LINE CARD TROUBLESH06TING PROCEDURES 
Action Description / Follow-up 
an overall view of the problem(s). l If there is a system CRITICAL ALARM 
condition, go see Note 1 of the Critical 
Alarm troubleshooting procedures in 
s a system MAJOR ALARM 
n, go to the Major Alarm 
hooting procedures in paragraph 
* Refer problem to Mite1 field service. 
l Problem fixed. 
Notes: 1. Refer to Section MITL9108-093-351-NA, RS-232 Maintenance Terminal for details of 
procedures....

Troubleshooting 
COV/SUPERSETm Line Cards 
3.04 COV and SUPERSET@ Line cards connect the advanced feature 
SUPERSET 3TM and SUPERSET 4TM telephone sets to the 
SX-200’ DIGITAL PABX. The COV Line card (9109-020) is installed in 
the digital bays and provides capacity for up to six SUPERSET* sets. 
The SUPERSET Line card (9110-410) is installed in analog peripheral 
shelves, if present, and connects up to eight SUPERSET’ sets to the 
system. Chart 3-3 lists the steps involved in the troubleshooting of...

Troubleshooting 
CHART 3-3 
COV / SUPERSET LINE CARD TROUBLESHOOTING PROCEDURES 
tep 
Action Description / Follow-up 
1 Verify the problem. * Go to step 2. 
2 Disconnect the affected circuit(s) from the * Go to step 3. 
cross-connect field. 
3 Use a SUPERSET@ set at the MDF to check if the Yes: 0 Go to step 4. 
problem persists. No : l Problem lies outside the PBX. Check for 
problems with cabling and the telephone 
set. 
0 Refer to the applicable SUPERSET@ 
troubleshooting procedures. 
4 Log into the...

Troubleshooting 
CHART 3-3 (Cont’d) 
COV / SUPERSET LINE CARD TROUBLESHOOTING PROCEDURES 
tep 
Action Description / Follow-up Remarks 
14 Check that the associated line circuit LED lights No : l Replace the line card; if the problem 
when the set is taken off-hook. persists, reinstall the original card, and 
go to step 30. 
Yes: l Go to step 15. 
15 Go off-hook, and verify that dial tone is returned. Yes: 
l Gotostep21. 
No: l Gotostep16. 
16 Check if problem is intermittent. Yes: l Go to step 17. 
No:...

Troubleshooting 
CHART 3-3 (Cont’d) 
COV / SUPERSET LINE CARD TROUBLESHOOTING PROCEDURES 
)tep Action Description / Follow-up Remarks 
28 Answer call and verify that level and audio quality Yes: l Line circuit is functioning correctly - 
is acceptable. continue to monitor. 
No : l Replace line card and retest. 
* If problem persists, reinstall the original 
line card, suspect the set. 
29 Use SHOW ALARMS ALL ALL command to obtain l If there is a system CRITICAL ALARM 
an overall view of the problem(st....

Troubleshooting 
8. Trunk Cards 
3.05 
The procedures detailed in the following paragraphs cover the 
isolation and correction of the various trunk cards. Since the 
many different types of trunks share much common circuitry, the 
troubleshooting procedures have been generalized. Supplementary 
procedures are provided for specific trunk types (and specialized pro- 
cedures), where required. Chart 3-4 outlines the general troubleshoot- 
ing procedures for trunk cards. The trunk types covered are: 
l LWGS...

Troubleshooting 
CHART 3-4 
GENERAL TRUNK CARD TROUBLESHOOTING PROCEDURES 
step Action 
1 Verify the problem. 
2 Disconnect the affected circuit(s) from the 
_ cross-connect field. Description / Follow-up 
* Go to step 2. 
l Go to step 3. Remarks 
3 Use a butt-set to check if the problem persists. Yes: 
l Go to step 4. 
No : 
* Problem lies outside the PBX. Check for 
problems with cabling, Central Office, 
CDE programming for stations, etc. 
4 Log into the Maintenance Terminal. l Must enter username and...

Troubleshooting 
CHART 3-4 (Cont’d) 
GENERAL TRUNK CARD TROUBLESHOOTING PROCEDURES 
tep Action Description / Follow-up Remarks 
15 Check the programming for the trunk circuit- Yes: l Correct programming errors as required. see Note 
including COS, COR, trunk descriptors, ARS data, No: 
l GotosteplEi. 2 
and trunk groups; programming errors? 
16 If the circuit is in an analog bay, ensure switch . Correct switch settings as required. 
settings are as specified in Section l If no problems, go to step 17....