Mitel Sx 200 Ml Pabx Lightware 16 Instructions Guide

2 Troubleshooting - 
General 
Emergency Procedures 
2.1 When any switching machine is totally inoperative, the prime requirement is the 
restoration of service to the system or the part that has been affected. Table 2-i 
shows how to achieve this in the shortest possible time. Once service has been 
restored, the other procedures (see Table of Contents) may be used to determine the 
cause of the failure. 
Step 
1. 
2. 
3. 
4. 
5 
6. 
7. Table 2-l Emergency Troubleshooting Procedures 
Action 
At the...

Troubleshooting 
Table 2-l Emergency Troubleshooting Procedures (continued) 
Step Action Description / Follow-Up 
8. Attempt a station-to-station call - is Call Yes: 
l Stop. Continue to monitor system. 
Processing functioning? No: 
l Press the RESET push- 
button on the Main Control Card II 
front panel, and go to step 9. 
9. Check for error codes on the Main Control 
l Refer to Table 2-2. 
Card II numeric display. 
Page 2 of 2 
Main Control Card II Power-Up Error Codes 
Table 2-2 shows the Main Control...

Troubleshooting - General 
l GATHERING of information 
l CLARIFICATION of the problem 
l CONFIRMATION of the problem 
l ISOLATION of the problem 
l CORRECTION and DOCUMENTATION 
When investigating a problem, the troubleshooter should continually verify each step 
in the isolation process so as to ensure that the system and the symptoms of the 
malfunction are clearly understood. This will ensure that the malfunction is accurately 
categorized so that appropriate diagnostics, where applicable, may be...

Troubleshooting 
Chart 2-l Information Gathering and Clarification (continued) 
1 
Step 
5. 
6. 
7. 
Action Description Follow-up 
Make special checks 
for new installations, 
additions or 
modifications. - Check that the procedures specified in the /n.sWa~~o~~ 
/nformafion Practice have been properly implemented. 
- Verify that any changes have been made in accordance 
with the appropriate practices, and to the prescribed 
standards. 
Make random 
miscellaneous checks. 
Check for minor alarm...

Troubleshooting - General 
Table 2-3 Troubleshooting Aids (continued) 
Troubleshooting Aid Description and Use 
Circuit Card Numeric 
Displays - Allow system power-up testing and operation to be monitored. 
Status LEDs (on peripher- - Used to determine if circuit is in use, idle, or not functioning. 
al cards) 
Page 2 of 2 
Correction and Documentation 
Once a problem is isolated, the table of contents of this document should be consulted, 
and the appropriate procedure referenced. Many procedures...

Troubleshooting 
2-6 Issue 1 
Revision 0 March 1997  

3 Peripheral Equipment 
Troubleshooting 
Procedures 
Peripheral Interface Circuit Cards 
ONS / OPS / Station Line Cards 
3.1 This section covers the ONS Line Card (PN 9109-010) and the OPS Line Card 
(PN 9109-040). Table 3-l outlines the most likely items to cause malfunction. For 
ONS Line Card problems involving Voice Mail, see Voice Mail - ONS Port. 
Table 3-l ONS Line Card Troubleshooting Summary 
Step Possible Malfunction Source 
1. Faulty connections between the telephone and the cross-connect...

Troubleshooting 
COV Line Cards 
This section covers the COV Line Card (PN 9109-020). Table 3-2 outlines the most 
likely items to cause malfunction. For COV Line Card problems involving Voice Mail, 
see COV Port - Voice Mail in Chapter 5. 
Table 3-2 COV Line Card Troubleshooting Summary 
Step Possible Malfunction Source 
Faulty connections between the SWH?SE~telephone and the cross-connect field. 
1. 
2. 
3. Faulty connections between the cross-connect field and the SX-200 ML system. 
Faulty CDE...

Peripheral Equipment Troubleshooting Procedures 
Table 3-3 Digital Line Card Loop Lengths (continued) 
Peripheral Maximum Loop Length 
Device Without Bridge Tap 
With Bridge Tap * 
Dataset 2103 2000m 1 OOOm 
MILINKTM Data Module 2000m 1 OOOm 
SUPERCONSOLE 1 OOOTM console 1 OOOm 1 OOOm 
SUPERSET 7000TM console 1 OOOm not permitted 
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Note: 
Peripheral devices can not use bridge taps if they are connected to Digital Line Cards with PN 
9109-012-001 -NA or PN 9109-012-001 -NA. Digital Line Cards...

Troubleshooting 
. SWERSE~ 4ZU Telephones 
l SW ERSET 430 Telephones 
l SUPERSET 7000 console 
l DATASET 1103 
l DATASET 2103 
l A&WWData Module 
l Programmable Key Module 
Trunk Cards - General 
The procedures detailed below cover the isolation and correction of faults with the 
various trunk cards. Supplementary procedures are provided for specific trunk types 
where required. Table 3-5 summarizes troubleshooting for trunk cards. 
Table 3-5 Trunk Card Troubleshooting Summary 
Step Possible Malfunction...