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Processor Data Module (PDM)
Processor Data Module (PDM)
The Processor Data Module (PDM) provides a DCE interface for connection to data terminals,
Station Message Detail Recording (SMDR) output device, on-premises administration terminal,
Applications Processor (AP), Call Management System (CMS), Property Management System
(PMS), Audio Information Exchange (AUDIX), and host computers. It also provides a DCP inter-
face for connection to the digital switch.
The PDM can no longer be ordered. It has been replaced by the MPDM.
Features
The PDM offers the following features:
Synchronous or asynchronous operation
Full- or half-duplex operation for data calls up to 56 kbps
Full-duplex operation for data calls at 64 kbps
Data transmission at standard rates up to 19.2 kbps
Automatic answer option
Self-test
Physical Description
Switches
Originate/Disconnect
This switch is located on the front panel. It is used when originating and disconnecting
from a call.
Self-Test
This switch is located behind the front faceplate. Pressing this button performs the self-
test.
LOC LOOP/REM LOOP
This switch is located behind the faceplate. It is used to perform the Local loop test or
Remote loop test.
Options
The option switches are located behind the front faceplate. There are 30 option
switches, 25 for options, and 5 spares.
5-65