Mircom TX3-MDM User manual

Version 2.00.0 Modem Module Installation Instructions
LT-971
Modem Module Installation Instructions
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TX3-MDM Modem Module Installation Instructions
The TX3-MDM Modem Module mounts above the TX3 Telephone or Card Access controller boards in the
locations shown below, using the four # 6-32 screws and spacers provided. The TX3-MDM ribbon cable
connects to the P4 modem connector on the Telephone Access System main board and to the P3 modem
connector on the Card Access System main board.
To install the TX3-MDM Modem Module
1. Connect the ribbon cable to the P3 or P4 modem
connector, then place the board over the connector position
with the four spacers.
2. Align and fasten into place with the four screws.
3. Connect the telephone line to the RJ-11 or the Tip
and Ring connectors as shown.
Card Access System
Modem Module Telephone Connectors
The modem module has two telephone connectors, an RJ-11
connector and a terminal block as shown. The terminal block
T/R line is polarity insensitive and reversible.
Telephone Access System
TX3-MDM
Tip Ring
RJ-11
Connector