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