Toshiba Perception Electronic Business Communications System Installation And Maintenance Manual

TEND”option refers to the use of “loop
extenders” on long CO lines.
If a battery boost is used on the trunk
line, select“EXTEND’‘-otherwise, “NO
EXTEND” should be selected.d) The LOOP START “NORMAL/REVERSE”
option refers to the system’s ability to detect
a pre-ring supervision signal in the form of a
battery polarity reversal on the CO line TIP
& RING.
If “‘NORMAL” is selected, the system
will not be sensitive to CO line polarity.
If “REVERSE” is selected, the CO circuit
will be “made busy” when the CO...

Ts.If an attendant console is to be installed,
ust be included in the EKT count. A DEKU
PCBmust be used in the LOO position when
tendant Console #O is used and in the LIZ?
sitionfor Attendant Console #I. Other DEKU
positions are flexible.
s are installed in locations
hrough
L14 onthelower shelf of the DCEC
at the rate of one PCfor each group of eight
conventional teleohones to be used.
‘7-UAll connections from the DCEC to
external equipment, such as trunks, station 
equip-ent, etc. are made via a...

PERCEPTION CENTRAL EQUIPMENT CABINET
(AMPHENOL) 1DCOUIDEMU
(x3)
DSTU/ 1
CHARGER, BATTERY, 
INVERTER
115VAC ,/’DPMUATT0r----_----
IEXTERNAL 
GROUNDF
25-PAIRATT CONSOLE
500-TYPE OR
2500-TYPETELEPHONE500-TYPE OR
FOR POWER FAILURE
l-o coORTIE LINE
OR EMERGENCY
06.03FCC regulations prohibit unregistered
equipment from being terminated on the same
block as trunk lines. It is good practice to separate
trunk lines and all other equipment.on the connector panel at the lower rear of the
DCEC and on the Power...

a)Find a station Port Number as follows:
PCB LocationCircuit on PCBPort No.
LOO 
hJ L14‘ih8EX. LO1
3LO13
b)Find a trunk Port Number as follows:
PCB LocationCircuit on PCB
Port No.
TOO k TO7IN4EX. TO24TO24
PCB 
CONNETORDEKU IfCB
ectionSee the DEKT Program in Section
100-l 00-300, Programming, for inputting infor-
mation concerning the various 
EKTs. The system
must be told which type of 
EI

EKT cord length is 7 ft., while the maximum
allowed length is 25 ft.
08.03The overall length of the cable run must
not exceed 1000 ft. for 24 AWG wire.
EKT connection details are shown
in Figure 25.8.11See the DSTT Program in Section
DSTU 
P,CBPCBCONNECTORI100-100-300, Programming, for inputting infor-
mation concerning single line telephones. The
system must be told which type of telephone
is at each station.
08.12Conventional telephones require only
single-pair wire and are connected to the MDF
via...

PCB CONNECTORDEKU it00
i-4CROSS-CONNECT BLOCK
r-lrTLOOl --RLDOI --OTLfm.-(W-O)ORL001.-(0-W)
0 .-(BR-W)JlYO.-(S-W)
/
CDNNECTOR J 1,CONSOLE
CONNECTOR 
CORD
ATTENDANTCONSOLE #01
CONSOLE
CONNECTORCORD
/
------IATTENDANT
CONSOLE 
#,
tL-JCONNECTOR 
J12 

.30Tfllonnecti~~sConnections from the telephone 
com-ny jack 
(RJ21X for CO/FX/WATS and RJ2EXfor E 
& M TIE trunk) should be terminated on a
“66’‘-block, and then cross-connected to the
appropriate leads on the CO portion of the PER-
CEPTION MDF, using Tables 0, P and 
0 as guides.
1A keyboard/printer terminal (Texas
Instruments Model 
743/745 or equivalent) is
required to communicate with the PERCEPTION
system. (See Section 100-I 00-300, Programming,
for operating details.)
The terminal is connected to...

2The XI-key EKT (Figure
same overall dimensions as the standard EKT, and
is installed in exactly the same manner. It provides
an additional 
10 flexible assignment keys in the
vertical row.
3Each EKT has a modular handset cord
and is connected to the system via a &conductor
modular line cord.
alunti
1An optional handsetanger kit is re-
quired to convert either typefEKT for wall
mounting. The EKT may be mounted on a wall
or any other flat, vertical surface to which the
base can be secured.
2When selecting...

The optional 13-ft. modular handset
cord is recommended for use with wall-mounted
E KTs.9.20
Co~w~rti~~ the E
Refer to Figure 34, the optional handset
hanger kit (available from your Toshiba supplier)
must be used whenever the EKT is wall-mounted.
NUMBER CARD
CARD COVER
Remove the card cover by inserting a
paper clip in the hole at one end. Bend the cover
up and remove it and the number card.
3Install the handset hanger into place
tighten the screws. Reinstall the number card
and card cover.
aConnect the...

PFT LED-LED is on whenever a transfer
condition, caused by anything other than a
power failure, exists.
D RCU-4
FALT LEDs 1 & 2-used to indicate software-
detected faults or to indicate a disabled state
caused by an input command from the main-
tenance terminal (TPER Program). Each LED
indicates for two of the four circuits on the
DRCU:
FALT 
#I = Circuits 1 & 2
FALT 
#2 = Circuits 3 & 4
DRCU-6
FALT 
LEDs 1, 2 & 3-used to indicate soft-ware-detected faults or to indicate a disabled
state caused by an...