Specifications

Data Modules
21-58 Issue 11 December 1999
Physical Description
Features
Switches
The PDM is equipped with the following 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.
Lights
The PDM is equipped with the following lights:
■ Power
■ Terminal Ready
■ Line Status
■ Call in Progress
■ Carrier on
■ Test in Progress
■ Check option
■ Test Result
■ Send Data
■ Receive Data
Other Physical Features
Mounting Options
The PDM can be configured either in a stand-alone or multiple mounted version.
The stand-alone version is installed in a 70A Data Mounting aluminum housing
that is equipped with plastic front and rear covers. A maximum of eight PDM’s can
be installed in the 71A Data Mounting.
The stand-alone version can be mounted on a surface or desk top near the
associated data terminal. The multiple mount is normally contained in an auxiliary
cabinet.