Mitel Sx 200 Ml Pabx Lightware 16 Instructions Guide

Subsystem Troubleshooting Procedures 
, Table 4-3 Bay Control Card Status LEDs 
TX LED RX LED 
on on ALARM LED Meaning 
on Bay Control Card is either waiting for, or has 
lost communication with the Main Control 
Card Il. If this state persists for more than a 
few seconds, there is no communication. 
flashing flashing on Bay Control Card is being downloaded by the 
Main Control Card Il. 
off/flashing off/flashing off 
flashing Bay Control Card is up and running and 
communicating to the Main Control...

TroubleshooGng 
Table 4-4 Bay Power Supply Test Point Voltages 
Voltage Minimum 
+ 5 Vdc + 5.07 
Maximum 
+ 5.23 
+ 12 Vdc 
I + 10.8 
I -I- 13.2 
I 
- 12Vdc - 13.2 - 10.8 
- 5 Vdc - 5.5 - 4.5 
- 28 Vdc - 30.8 - 23.8 
-48 Vdc 
I - 53.76 I - 40.8 I 
90 Vat 
I 63.0 
I 99 .o 
Uninterruptible Power Supply (UPS) 
Any UPS may be used with the PABX, provided that it meets the requirements specified 
in the Engineering /~I~~I-LTEIGOII Practice. Since these are available from a number of 
suppliers, no...

5 Miscellaneous 
Troubleshooting 
Procedures 
Maintenance Terminal 
5.1 The device used as a maintenance terminal must satisfy the following: 
l compatibility with RS-232C type interface protocol 
l 80 columns 
l compatibility with ANSI X3.64-l 977 special character set for special graphics. 
These procedures deal with the interface only. Reference should be made to the 
appropriate manual provided by the manufacturer of the terminal for any problems with 
the terminal itself. The following table...

Troubleshootin 
Note: 1. Refer to the RS-232 Maintenance Terminal Practice, for details on setting communication 
parameters. 
2. The system does not have a maintenance panel. The maintenance port is accessed at the 
rear of the cabinet. 
3. To connect the terminal’s 25 pin RS232 connector to the system’s 9 pin mini D connector 
requires the use of a 9 pin to 25 pin RS232 adapter. This is a standard off-the-shelf part found 
in most computer supply stores. 
System Printers 
5.2 System printers must...

Miscellaneous Troubleshooting Procedures 
Table 5-2 Cabinet Printer Port Troubleshooting Procedures (continued) 
Step Possible Malfunction Source 
6. Faulty printer. 
9. Main Control requires reload - press RESETon the Main Control Card II front panel. 
10. Faulty Main Control Card Il. 
11. Faulty interface between rear panel and MCC Il. 
Page 2 of 2 
Note: 1. Useful maintenance commands: LOGS PRINT, SUSPEND-PRTR, RESUME PRTR, SHOW 
DEVICE, SET SPEED, TEST DEVICE-TYPE MORE-KEYS PRINTER-PLID / PORT - see...

Troubleshooting 
Table 5-3 SUPERCONSOLE I&IO Printer Port Troubleshooting Procedures (continued) 
Step Possible Malfunction Source 
7. Printer requires reset (or X-ON, or CONTROL-Q if applicable - see manufacturer’s instruc- 
tions). 
8. Faulty printer. 
9. Suspect SUPERCONSOLE 7000 unit - refer to that procedure. 
10. Reset console or reseat Digital Line Card. 
Page 2 of 2 
Note: Useful maintenance commands: 
LOGS PRINT, SUSPEND-PRTR, RESUME PRTR, SHOW 
DEVICE, SET SPEED, TEST DEVICE-TYPE MORE-KEYS...

Miscellaneous Troubleshoofng Procedures 
Table 5-5 System Fail Transfer (SFT) Connector Pin-Outs 
Pin No. Wire Color Signal Comment 
2 Yellow 
-48 Voltage source for the external SFT transfer equipment. 
Note, this is limited to 250 mA. 
3 Green -48 return Ground reference (return) for the external SFT transfer 
WW equipment 
4 Red SFT Relay First side of “nornally closed” SFT control relay 
W 
5 Black SFT Relay Second side of “normally closed” SFT control relay 
return (B) 
Recorded Announcement Devices...

Troubleshooting 
Table 5-7 Supplementary RAD Troubleshooting Procedures 
Problem Possible Cause(s) 
No recordings at all. 
RAD message is cut off. 
RADs are in busy-out or DND status - use SHOW STATUS com- 
mand on the corresponding ONS circuit. 
Check that the Message 
Length Timer in the Hunt Groups CDE form 
is long enough. 
RADs go into DND state. Check if Failure To Hang Up Timer (COS 404) is long enough for 
proper RAD clear down. 
No message heard, but RAD Check that the Message Length Timer in...

Miscellaneous Troubleshooting Procedures 
Table 5-8 Night Bell Troubleshooting Procedures (continued) 
Step Possible Malfunction Source 
10. Faulty backplane cable connections between Bay Controller and Main Controller (672 port 
systems only). 
11. Faulty peripheral switch or circuit switch - refer to Supplementary Peripheral Equipment 
Procedures’. 
Page 2 of 2 
Note: 
1. Useful maintenance commands: SHOW STATUS, TEST, SHOW ALARMS, SHOW ERRORS 
- see the KS-232 Maintenance Commands Practice. 
2. Refer...

Troubleshooting 
v 
ATTENDANT CONSOLE 
-=- MUSIC 
SOURCE 
-#I ozs - DC POA 
400HMS POB * PA SYSTEM 
w 
Ki CONTROL PAIR 
300 OHMS 
CUSTOMER SUPPLIED EQUIPMENT 
MUSIC ON HOLD/PAGING MODULE 
EACH NO RELAY CONTACT  c 
MAY BE USED TO CONTROL 
A DEVICE, AS REQUIRED. 
SUBCIRCUIT 6 
RELAY MODULE 
- 
NOTE 1: ALL WIRING MUST BE DONE IN ACCORDANCE WITH THE NATIONAL NOTE 5: THE SfJfERCOi’lSOLE 7OOOATTENDANT 
ELECTRICAL CODE (USA) OR CANADIAN ELECTRICAL CODE AND/OR CONSOLE MAY CONNECT TO ANY PORT ON A 
LOCAL...