Nortel North American DMS-100 Instruction Manual page 563

1-542 Trouble locating and clearing procedures (continued)
TOPS MPX Operator complaint audio/headset malfunction
Operator complaint - audio/headset malfunction
At your current location
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A:\>
297-8021-544 Standard 14.02 May 2001
CAUTION
Potential risk to service
If a voice trunk in the CPB state is force released while a call
is the attached to its associated TOPS MPX position, the call
will be lost.
Use a known operating spare headset to replace the headset that you
suspect is malfunctioning.
If
malfunction clears
malfunction does not clear
You must be entering this procedure from common procedure to remove a
TOPS MPX terminal from service procedure.
Turn power off.
Insert System Disk in floppy drive.
Turn power on.
The system boots to DOS prompt display as appears below:
TOPS MPX System Diskette successfully booted
Services available:
AUDDIAGS - MPX Audio Card Diagnostics
DFIRUN - Token Ring Diagnostics
To run one of these services, type the indicated
name at the DOS prompt, followed by the ENTER
key. Most of the standard DOS commands are
available on this diskette. For a detailed description
of all the commands available, type the command
'INFO' followed by the ENTER key.
Note: At this point several commands are available. To execute a
command, type the command name and press the DOS ENTER key. You
can follow the command name with a space and any parameters.
(continued)
Do
End of procedure.
Perform common procedure to
remove a TOPS MPX from ser-
vice and return to this procedure
and begin with step 2.