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Developer of RTD
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Sixnet

VT-MODEM-3

RS422/RS485 Industrial Modem Plus

General enquiries / Order requests

VT-MODEM-3 Performance Specifications

  • All the capabilities of the general purpose industrial modem plus a RS232 port

  • Connect directly to a 2 or 4 wire RS422 / RS485 device or network

  • Auto-answers for dial-in or dial-out operation

  • Industrially hardened modem
     Rated for -30º to 70º C operation
    Class I, Div. 2 hazardous locations

  • 100% compatible with Windows software
     Talks with PC modems at speeds to 33.6K
    Supports full set of AT commands

  • Powered directly from any 10-30 VDC source
     Use the same power that runs your system
    Does not need cumbersome AC transformer

  • DIN rail or flat panel mounting in any enclosure
     UL 508/CSA electrical enclosure rated
    Ideal for PLCs, instruments and field use

  • Five Year ISO 9001 certified support policy
     Long-term support for OEMs and end users
    Compatible replacement for slower modems


The RS422/RS485 Industrial Modem Plus has all the features of a general purpose modem plus a RS422/RS485 port or the ability to run up to 52 VDC power. Now you can remotely communicate with your RS422 or RS485 devices. You no longer need the extra expense of an RS232 to RS422 / RS485 converter. Just connect this industrial modem directly to you device or network of devices and perform maintenance from the convenience of your office.