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STRATA DK
GENERAL DESCRIPTION
DECEMBER 1990
TABLE J
YE_.
SYSTEM CAPACITIES -.
Item PCTU2/PCTIIR
I PCTIIC
..-... _ ----.. -.-- . W,“V
System compatibility DK24, DK56, and DK96 DK24
6 max, DK24
Universal PCB slot capacity
8 max, DK56
6 max
14 max, DK96
32 max, DK24
Station port capacity
56 max, DK56
24 max
96 max, DK96
16 max, DK24
CO line capacity
20 max, DK56
16 max
36 max, DK96
4 max, DK24
TIE line capacity
8 max, DK56
4 max
12 max, DK96
DSS consoles: DSSDDSS 4 max 3 max
Door phones 12 max 9 max
Simultaneous 4-party conferences 8 max 3 max
LCD stations w/personal message memory 16 max
6 max
Door lock controls 5 max 4 max
21 max, DK24
PDIU-DI (PCTU3 only)
53 max, DK56
80 max, DK96
Not supported
24 max, DK24
PDIU-DS (PCTU3 only)
56 max, DK56
80 max, DK98
Not
supported
The PDKU does not support door phones or
background music source connection.
l
Each digital telephone requires one port on
the PDKU; the maximum number of digital
telephones per PDKU is eight. Each DDSS
console requires only one port (always cir-
cuit 8), and reduces the maximum number
of
digital telephones by one. Each PDIU-
DS requires one PDKU port, and each
PDIU-DI shares the same port with its
accompanying telephone.
l
Connections from the PDKU to the MDF
are made with 25pair amphenol connec-
tors. Each port normally uses single-pair
wiring. No extra wiring is required for off-
hook call announce.
l
A maximum of four PDKUs can normally
be installed in DK24 to provide thirty-two
digital telephone ports, seven in DK56 to
.
provide fifty-six digital telephone ports, and
twelve in DK96 to provide ninety-six digital
telephone ports.
Electronic Telephone Interface Unit (PEKU):
The PEKU provides eight ports for electronic
telephones. It can be configured for off-hook
call announce by installing an EOCU. It can
also be configured to support a DSS console
and/or door phone control unit (HDCB). One
designated PEKU port can be connected to a
customer-supplied background music source
to feed music to all electronic telephones.
l
Each electronic telephone requires one
port; the maximum num,ber of electronic
telephones per PEKU is eight. The up-
grade for off-hook call announce does not
require a port. Each DSS console requires
two ports and reduces the maximum
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