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STRATADK
GENERALDESCRIPTION
DECEMBER1990
MI-IF
HESB
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BGM SOURCE
TO STATIONS
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DOOR PHONES AND LOCK CONTROLS
PSTU
(8 STD CIRCUITS)
or
.
PESU
(ZSTDC(.CUTS)(
STANDARD TELEPHONE
(NOTE 1)
POWER FAILURE
, -&‘(PSTU ONLY)
TRANSFER UNIT
(8 DIGITAL CIRCUITS) (8 DIGITAL CIRCUITS)
DIGITAL ELECTRONIC TELEPHONE/ DIGITAL ELECTRONIC TELEPHONE/
DIU STATION PCB DIU STATION PCB
PDKU”
25.PAIR
AMPHENOL
(FEMALE)
1
I I
I
n I
1 1 CABLES .Li
125-PAIR
‘CABLE -
!
-
1
-.-....-
TELEPHONE3
PPSU
MODULAR CORDS
I
NOTES:
117VAC
(15 AMP)
m/fin H7
Can be on-premises or off-premises
(OPS: FC = OL13A; USOC = RJ2X)
7 external devices connected to the PCTU, 2. Al,
PFS// P1
I LVV, ,
I ‘OU, PSTU, PEMU, and PCOU must be
industry-standard and supplied by the customer.
All devices connected to the PDKU and PEKU are
Toshiba proprietary.
Requires Release 3.
- PBTC CABLE
.IED
FlGURE18B-DKFUNCTIONALBLOCKDIAGRAM
-19-
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