user manual

ND-20292
CHAPTER 5
APRIL, 1990
No System Tones Are Available
I
Test for internal call
processing
A3
Redefine problem and
selectthe correct
flowchart
Check cables between
TSW-E( ) and MMC-E’s
Remove ribbon cablesand check fortones
-
Replace
MMC
r
Mod 3
Yes
I
Yes]
v
Reinstall
remaining
ribbon cables
problem is not solved, perform 1st
system using default program.
Replace
MMC
Mod 4
I
End
No
500 -8