P
AGE
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44023-1297 <90-00058>
ORDERING INFORMATION
NOTE:
This section lists the different options available for this product. To order any of the avail-
able options, contact Dantel Inside Sales through our toll-free number,
1-800-432-6835.
OPTION NUMBER
FEATURES
A11-44023-00
PABX/Trunk Interface Module
GENERAL DESCRIPTION
T
he 44023 PABX/Trunk Interface Module (44023) pro-
vides:
♦
A four-wire trunk interface for a 440 Communications Man-
agement System (440 CMS).
♦
An two-wire line interface for a 44443 Four-Wire Termina-
tion Set.
The 44023 is a plug-in printed circuit module that fits into any
400-type or similar equipment housing. The 44023 does not
accept subassemblies.
Strap options lets you:
♦
Select level range
♦
Configure E and M leads
♦
Select ground or loop start
♦
Select privacy and busy mode
♦
Select the conference delay feature
The 44023 functions in a 440 CMS trunk interface circuit with
the following modules:
♦
44020 DTMF Decoder Module
♦
44021/49021 Address Decoder Module
♦
49020 Tone Supply Subassembly
The 44023 converts any subscriber station to a trunk interface
by directly replacing a 44022 Subscriber Line Interface Module
in the 440 CMS Multi-Station Package. Convert the trunk
interface to two-wire by installing a 44443 Four-Wire Termina-
tion Set to the right of the 44023.
The front panel includes:
♦
Operational status indicating LEDs
♦
Calibration test points
♦
Monitor jacks
♦
A test/reset switch
The 44023 operates on -21 to -56 VDC input power.
