Toshiba Perception 1 2 User Manual

FAULT FINDING 
SECTION 200-255-500 
MARCH 1991 
CHART NO. 16 
COMMON STATION FEATURE FAULTS (continued) 
IMPORTANT: 
This step will ha/t all call 
processing. It is advisable to 
wait until all trunks and stations 
are idle before performing this 
step. Notify system users that the 
system will be temporarily down. Press the INIT 
key on the NPRU 
momentarily. (Wait 
a few seconds for 
initialization to be 
Press the LOAD 
key on the NPRU 
momentarily. (Wait 
about 30 seconds 
for reload to be...

FAULT FINDING 
SECTION 200-255-500 
MARCH 1991 
CHART NO. 16 
COMMON STATION FEATURE FAULTS (continued) 
Replace the 
NTWU. Replace the 
NPRU. 
-29-  

FAULTFINDING 
SECTION 200-255-500 
MARCH 1991 
CHART NO. 16 
COMMON STATION FEATURE FAULTS (continued) 
IMPORTANT: 
This step will halt all call 
processing. It is advisable to 
wait until all trunks and 
stations are idle before 
performing this step. Notify 
system users that the system 
will be temporarily down. 
.-----_ 
Press the INIT 
key on the NPRU 
momentarily. (Wait 
a few seconds for 
initialization to be 
completed.) 
Press the LOAD 
key on the NPRU 
momentarily. (Wait 
about 30 seconds 
for...

FAULT FINDING 
SECTION 200-255-500 
MARCH 1991 
CHART NO. 17 
SPEECH PATH OR DIAL TONE FAULTS 
From n 
/ P  
/ Did  
25004ype phones in 
NRCU. 
Tn - A +/ YES 
E v 1 -forrepair. I- 
1 YES I 
-31-  

FAULT FINDING 
SECTION 200-255-500 
MARCH 1991 
CHART NO. 17 
SPEECH PATH OR DIAL TONE FAULTS (continued) 
IMPORTANT: 
This step will halt all call 
processing. It is advisable 
to wait until all trunks and 
stations are idle before 
performing this step. Notiv 
system users that the system 
will be temporarily down. Press the INIT 
key on the NPRU 
momentarily. (Wait 
a few seconds for 
initialization to be 
completed.) 
Press the LOAD 
key on the NPRU 
momentarily. (Wait 
about 30 seconds 
for...

FAULTFINDING 
SECTION 200-255-500 
MARCH1991 
CHART NO. 17 
SPEECH PATH OR DIAL TONE FAULTS (continued) 
I Replace the 
NTWU. 
Tag the 
defective unit(s) 
and return 
for repair. 
I 
23 END 
-33-  

FAULT FINDING. 
SECTION 200-255-500 
MARCH 1991 
CHART NO. 18 
DATA/SPEECH PATH OR DIAL TONE FAULTS 
Start here to 
c/ear Data/Speech 
Path or Dial 
Tone faults. 
I 
NOTE: If there are 
2500-type phones only, 
I __--__ 
the answer is NO. 
I 
.L electronic/digital telephones 
25004ype phones 
in the system, are 
defective unit(s) 
and return 
i 
-34-  

FAULT FINDING 
SECTION 200-255-500 
MARCH1991 
CHART NO. 18 
DATA/SPEECH PATH OR DIAL TONE FAULTS (continued) 
Press the INIT 
key on the NPRU 
momentarily. (Wait 
a few seconds for 
initialization to be 
completed.) 
Press the LOAD 
key on the NPRU 
momentarily. (Wait 
about 30 seconds 
for reloading to 
be completed.) 
the INIT or LOAD 
1 YES Replace the 
LCCU. 
Tag the 
defective unit(s) 
and return 
for repair. 
23 END there are SlTs  there are SlTs 
-35-  

FAULT FINDING 
SECTION 200-255-500 
MARCH 1991 
CHART NO. 19 
DIALING FAULTS 
Replace the 
NRCU. 
Tag the 
defective unit(s) 
and return ;=.. 
, ,: 
‘:- , 
-36-  

FAULT FINDING 
SECTION 200-255-500 
MARCH 1991 
CHART NO. 19 
DIALING FAULTS 
(continued) 
Press the INIT 
key on the NPRU 
momentarily. (Wait 
a few seconds for 
initialization to be 
completed.) 
I The following instktions 
will cause all calls in 
and no new calls will be 
Do not continue while Replace the 
LCCU. 
I I 
Press the LOAD 
key on the NPRU 
momentarily. (Wait 
about 30 seconds 
for reloading to 
be completed.) 
 cleared? / 
to the INIT or 
cycle completed? Tag the 
defective unit(s) 
and...