Toshiba Perception E Ex Digital Pbx Installation And Maintenance Manual

PERCEPTIONeh,, 
Tl/DS-1 
SEPTEMBER 1991 
TABLE 4 
TERMINAL SEQUENCE & DESIGNATIONS CONNECTOR NUMBERS J7/5501 (PERCEPTION,,), J15/5515 
(PERCEPTION,) NDTU TOO/r08 
1 CODE TRUNK DB15 
Cm . ..A-wme.. P.s. mm TRUNK CIRCUIT  PAIR PIN COLOf I-UNL I IUN rlN5 
1T 26 W-BI Tt 1 
R 1 BI-W Tr 9 TOO 1 
-TO54 
2T 27 w-o Fit 3 TO81 -T134 
R 2 o-w Rr 11 
3T 28 W-G SPARE 
R 3 G-W SPARE 
4T 29 W-Br SPARE 
I? 4 Br-W SPARE 
. 5T 30 w-s SPARE 
R 5 s-w SPARE 
6T 31 R-BI SPARE 
R 6 81-R SPARE 
7T 32 R-O SPARE 
R 7 O-R SPARE...

PERCEPTIONeb,, 
Tl/DS-1 
SEPTEMBER 1991 
CHART NO. 1 
HARDWARE VERIFICATION 
- Make sure the 
NDTU is firmly 
seated in the slot. 
- Make sure the 
amphenol cable 
is firmly connected 
to the backplane. 
* Make sure the cable 
connections at the 
remote site are correct 
- Make sure the coax 
cable is connected to 
NDTU and NTWU-3. 
To n / 
YES 
c---f END 
-12-  

PERCEPTIONeh,, 
Tl/DS-1 
SEPTEMBER1991 
CHART NO. 2 
FAULT CLASSIFICATION 
From 
MFALM LEDs 
,______-__________________ 
: 
- - - - - _ - - -I NOTE: Red alarm is FALM and 
; MFALM combination. 
.__--__-__________________ 
-13-  

PERCEPTIONeke, 
Tl/DS-1 
SEPTEMBER 1991 
CHART NO. 2 
FAULT CLASSIFICATION (continued) 
powered down. 
T NO 
YES From 
,_____________-_____________ 
: NOTE: Before replacing NDTU, 
’  __________( 
NTWU or LCCU, the system 
: must be powered down. 
----------__________________ 
I NO 
. Verify the SW3 switch 
setting options for PCB 
position are correct. 
+ * Verify strapping options 
TB3 & TB4 are set 
according to defined 
configuration. 
. Verify that trunk 
assignment 
in customer data 
corresponds...

PERCEPTION,~,, 
Tl/OS-1 
SEPTEMBER1991 
CHART NO. 3 
ALARM FAULTS 
From From 
* Verify remote site 
is in loop back. 
If so, wait until 
loop back test is 
complete for the 
BALM LED to go off. 
* Verify the 
customer data, 
switches, and 
straps for correct 
configuration. 
I- * Verify the following 
straps, switches, 
and data are set 
according to the 
defined system 
and network 
configuration. 
. TB3 and TB4 
- s3-Sll 
* Customer data * Replace the NDTU 
with the removed 
PCB. 
* Change the NTWU. 
1...

PERCEPTIONeb,, 
Tl/OS-1 
SEPTEMBER 1991 
HAF 
Verify the following 
switches, straps, 
data, and connections 
are set according to 
defined system 
and network 
configuration: 
* TB3 - TB6 
- Sl 
.s3-Sll 
* Customer data 
* Network 
connection 
r 
NO 
on, reinstall the 
NO 
I 
* Verify customer data 
for trunk assignment. 
* Verify the network 
connection. 
ZHART NO. 4 
DWARE FAULTS 
Change the 
NDTU. 
Tag the defective 
unit and return for 
repair. 
NO 
Service Center 
for assistance. 
c ,. 
-16-  

PERCEPTIONeb,, 
Tl/DS-1 
SEPTEMBER 1991 
* Check strapping 
options TB3. TB4 
(Note 1). 
- Check S3 switches 
(Note 1). 
* Check S4 - Sll 
switches (Note 1). 
* Check TPER 
Program for the 
disabled trunk 
(Note 2). 
YES 
Perform a loop back 
test on the NDTU. 
CHART NO. 5 
FALT LED 
NOTES: 
1. The strapping and dip 
switch options must be 
set according to defined 
functionality of the 
system (master, slave) 
and trunk circuit position 
and type (TIE, CO, DID). 
2 Disable and enable 
the fau/ty...

PERCEPTIONeGe, 
Tl/DS-1 
SEPTEMBER 1991 
Verify that TB5 
and TB6 options 
are set according 
to defined 
configuration. 
NO 
CHART NO. 5 
FALT LED (continued) 
Replace the 
NDTU. 
* Reinstall the 
original NDTU. 
- Replace the 
LCCU. 
Tag the defective 
unit and return 
for repair. 
YES YES 
r 
Reinstall the 
original NDTU. Call the 
Reinstall the 
m Service Center 
for assistance. original LCCU. 
i’ 
From 
Verify s2 option in 
switch Sl is configured 
according to defined 
format from the 
network or...

PERCEPTIONea,, 
Tl/DS-1 
SEPTEMBER 1991 
CHART NO. 5 
FALT LED (continued) 
NOTE: 
Combination of FALM and 
MFALM is RALM (Red Alarm). : 
__-_----_____--__________ 
Verify remote site 
format (ZCS, SSZS) 
according to defined 
NO 
Verify options 
sl, s2, s3 on Si 
switch is set 
according to defined 
on the NDTU. 
NO 
I 
To NO 
Reinstall the 
original NDTU. 
Service Center 
for assistance. Tag the defective 
unit and return 
for repair. 
-19-  

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