DEFINITYEnterpriseCommunicationsServerandSystem75andSystem85
Terminals and Adjuncts Reference
555-015-201
Issue 11
December 1999
Data Modules
21-75The Modular Trunk Data Module (MTDM)
21
■ Send Data
■ Receive Data
Other Physical Features
Mounting Options
The MTDM can be configured either in a stand-alone or a multiple mounted
version. The stand-alone version is contained in a 70A Data Mounting aluminum
housing that is equipped with plastic front and rear covers. A maximum of eight
MTDMs 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.
Capabilities
The MTDM offers the following features and capabilities:
■ Selectedratesupto64kbps
■ Asynchronous rates up to 19.2 kbps
■ Synchronous operation at 56 kbps and 64 kbps
■ Full- or half-duplex operation up to 56 kbps
■ Full-duplex at 64 kbps
■ Self-test
■ Automatic answer
■ Private line and switched modes
Power
Both mounting arrangements require power from a 115-volt AC receptacle to
power the MTDM.
MTDM Equipment PECs
The MTDM can be ordered using the following PECs:
■ MTDM — 2162TDM
■ RS232C Interface card — 21621
■ Stand-alone housing — 21702
■ 71A Multiple mount — 21711
