Toshiba Strata DK 280 Installation Manual page 301

Digital business telephone system
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TO PDKU
W/FEMALE
CONNECTOR
ES;,","'""
-r
I
R-GN
1 33
$yr*"n"'nAnl
1t.1,.
! (4
Tl (VOICE/DATA)
I "YlJ
I C"
rr\,r\3
24AWG
(1 OR 2 PAIR, SEE NOTE 1)
CIRCUIT
2 TO DKT 2
CIRCUIT
3 TO DKT 3
CIRCUIT
4 TO DKT 4
CIRCUIT
5 TO DKT 5
CIRCUIT
6 TO DKT 6
OR PDIU-OS
T7 (VOICE/DATA)
I
I (GND)
R7 (VOICE/DATA)
CIRCUIT
6 TO DKT8
OR DDSS
1
NOT USED
66M150
SPLIT BLOCK
'
Nofe:
1. T/R wires are always
required;
PT/PR
are additional
power
wires
required
only for long station
runs per Table 7-4. PT/PR
may be used
with normal
station
runs also.
2.
US-232
cable
length
is max 50 ft with 24 A WG wire.
General
Notes:
.
Voltage
levels:
T, PT = -26.3 + 27.8
VDC
R, PR = 0.0 VDC (GND)
(Reference
to SG ground)
l
D/Us
can be connected
to Circuits
I - 7 on/y if connected
to PDKUI;
or Circuits
1 - 8 on PDKtJ2.
v
PDIU-DS
Figure
7-22
MDF Wiring
for Digital
Telephones
with
PDIU-DI
and PDIU-DS
to PDKU
---- - -------,
2-OR
4-WIRE
Z-OR
4-WIRE
GND
(-)
GND
(-)
MODULARCORD
;E;;LE
PR
T
R
PT
TO RJI 1 JACK
CONNECTOR
TO MODEM,
PRINTER,
Ri-232
CABLE*
(SEE CHAPTER
6-
PERIPHERAL
INSTALLATION)
January 1996
7-27

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