Mitel SX-200 DIGITAL Pabx Engineering Information Manual

Troubleshooting 
SUPERSET qTM Set 
3.14 The SUPERSET qTM set is a microprocessor-controlled tele- 
phone set which interconnects with the SX-200@ DIGITAL PABX 
system. It provides visual PABX feature prompting by means of a 
Liquid Crystal Display (LCD) panel, and permits up to 15 line appear- 
ances. The SUPERSET qTM set derives its power from the system, and 
all voice and signal communication between the set and the system is 
achieved via the normal Tip and Ring leads. No special cabling is 
required...

Troubleshooting 
CHART 3-12 
SUPERSET qTM SET TROUBLESHOOTING PROCEDURES 
tep Action Description I Follow-up Remarks 
1 Identify the extension number of the suspect 
SUPERSET@‘set. l Go to step 2. 
2 Obtain a SUPERSET error summary from the l Use the SHOW SSET-ERRORS command see Note 
maintenance / CDE terminal. and check for abnormal conditions. 1 
l If errors are indicated, go to step 6; 
otherwise;go to step 3. 
3 Check maintenance log for indications of problems Yes: 
with the COV card / SUPERSET”’...

Troubleshooting 
CHART 3-12 (Cont’d) 
SUPERSET qTM SET TROUBLESHOOTING PROCEDURES 
:ep Action 
2 Check if the resistance of the loop exceeds 200 
ohms. 
13 Check if display reads “No Communication” or 
“Consecutive Errors”. 
Description / Follow-up Remarks 
No: l Gotostep13. 
Yes: l Check for loose connection and 
remeasure. If still out of range, refer 
to the troubleshootinggrocedures for 
the COV or SUPERSET Line card. 
Yes: l If set has not bean replaced yet, replace 
it. Otherwise, refer to the...

Troubleshooting 
CHART 3-12 (Cont’d) 
SUPERSET qTM SET TROUBLESHOOTING PROCEDURES 
Action Description / Follow-up 
Replace the Peripheral Control card; power up the Yes: 
l Power down shelf; go to step 22. 
bay. Does fault persist? No : l Problem fixed. 
Replace the Scanner card; power up the bay. Does Yes: l Possible problem with Main Control card; 
the fault persist? go to step 23. 
No : 
l Problem fixed. 
Power down the system; replace the Main Control Yes: l Refer problem to Mite1 field service....

Troubleshooting 
SUPERSET 3TM Set 
3.15 The SUPERSET 3TM set is a microprocessor-controlled tele- 
phone set which interconnects with the SX-200@ DIGITAL PABX 
system. The set permits up to 12 line appearances The SUPERSET 3TM 
set derives its power from the system, and all voice and signal com- 
munication between the set and the system is achieved via the normal 
Tip and Ring leads. No special cabling is required for the SUPERSET 3TM 
set, nor is any AC supply required. The SUPERSET 3TM set is...

Troubleshooting 
CHART 3-13 
SUPERSET 3TM SET TROUBLESHOOTING PROCEDURES 
tw 
Action Description / Follow-up Remarks 
1 Identify the extension number of the suspect l Go to step 2. 
SUPERSET@ set. 
2 Obtain a SUPERSET@ error summary from the * Use the SHOW SSET-ERRORS command see Note 
maintenance / CDE terminal. and check for abnormal conditions. 1 
l If errors are indicated, go to step 6; 
otherwise, go to step 3. 
3 Check maintenance log for indigtions of problems Yes: l Refer to the troubleshooting...

Troubleshooting 
CHART 3-13 (Cont’d) 
SUPERSET 3TM SET TROUBLESHOOTING PROCEDURES 
tep 
Action Description / Follow-up Remarks 
11 Check if all three line appearance LEDs are Yes: 
l If set has not been replaced yet, replace 
permanently on. it. Otherwise, refer to the troubleshoogng 
procedures for the COV or SUPERSET 
Line card. 
No: eGotostep12. 
12 Take the receiver off-hook and check if dial tone is Yes: * Go to step 15. 
returned. No: eGotostepl3. 
13 Check if side tone is present. Yes: e Go to...

Troubleshooting 
4. SUBSYSTEM TROUBLESHOOTING PROCEDURES 
MAIN CONTROL CARD 
4.01 The following paragraphs outline the troubleshooting proce- 
dures for the Main Control Card (Part No. 9109-003). 
Configuration 
4.02 The Main Control card consists of the following: 
Name Part No. 
0 Main Control card 9109-003 
l DX Module 
8 
DRAM module 
0 
Decryption module 
0 
EPROM 
Main Control Card Power-Up Tests 
4.03 The Main Control card power-up tests are run automatically 
upon operation of the SYSTEM RESET...

0 . Troubleshooting 
DIGITAL BAY CONTROL SUBSYSTEM 
4.06 The following paragraphs detail the troubleshooting procedures 
for the Digital Bay Control subsystem. 
Configuration 
4.07 The Digital Bay Control subsystem consists of one card - the 
Bay Control card (Part No. 9109-017-OOO-NA). 
Bay Control Power-Up Tests 
4.08 The Bay Control card power-up tests are run automatically 
upon power-up of the associated bay, or a reset of the Main 
Control card. Failure of any of the power-up tests will result in...

Troubleshooting 
CHART 4-1 
BAY CONTROL CARD TROUBLESHOOTING PROCEDURES 
w 
Action Description / Follow-up 
I Check if the Bay Control card status LEDs indicate l Go to step 2. 
problems (see Table 4-l), or if the Main Control 
‘I-segment displays indicate a Bay Control problem 
- displays show one of the following: 
3 4 -_ 
0 or 0 
z Verify the power is available in the affected bay Yes: l Go to step 3. 
(there should be one or more LEDs lit on the Bay No: l This indicates a bay power supply problem....