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
