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Trunk Data Module (TDM)
Lights
Power
Data Set Ready
Line Status
Call in Progress
Carrier on
Test in Progress
Check option
Test Result
Send Data
Receive Data
Mounting Options
The TDM can be configured either in a stand-alone or in a 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 TDMs may be installed in the 71A Data Mounting.
The stand-alone version can be mounted on a surface or desk top near the associated data
equipment. The multiple-mounting carrier unit is normally installed in an auxiliary cabinet.
Power
Both mounting arrangements require power from a 115-volt AC receptacle to power the TDM.
TDM Equipment Price Element Codes (PEC)
The TDM is no longer orderable; therefore, no PEC is available.
Additional Documents
The following documents contain additional information relating to the PDM:
Trunk Data Module User’s Guide
, 999-700-029
DEFINITY Generic 1 and Generic 2, System 75, and System 85 Terminals and Adjuncts
Installation and Test
, 555-015-104.
5-70