Md-993 Module; Figure 19.Modem Module Telephone Connectors; Figure 20. Md-993 Module - Mircom TX3 Series Installation And Operation Manual

The TX3-MDM ribbon cable connects to the P4 connector on the controller
board.
For a description on how to install the modem board see the Modem Manual
Installation Instructions LT-971.
4.5

MD-993 Module

The MD-993 Module converts RS-485 signals to USB and is part of the TX3-
USB-AD Kit. The MD-993 Module ribbon cable connects to the P4 connector on
the controller board. See Figure 12.
The module has an RS-485 connector as shown in Figure 20.
Version 1.6 Telephone Access System Installation and Operation Manual
LT-969 Copyright 2012
MODEM MODULE
RJ-11
connector
Tip Ring

Figure 19.Modem Module Telephone Connectors

Figure 20.MD-993 Module
Lobby Control Unit Setup
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