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General

T-Rex HT

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T-Rex ML

PreWire
 
What are the proper settings for connecting a modem to the AMX processor?
To communicate with AMX via a modem, you will need a modem and a modem cable. The cable plugs into modem (25 Pin) and the program port of the AMX processor (9 Pin). The AMX program port should have communication parameters set up for 9600:8:N:1.

You will need a modem cable configured as shown.

Modem cable configuration

Depending on the modem you use, you will need to configure the modem to have certain attributes selected. The following details the US Robotics 33.6 Sportster, which is the default modem used by Tandem SI.

Modem dipswitch settings
 For more information, please call 1-800-746-0080
or e-mail us at
support@tandemsi.com