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Westermo Industrial PSTN Modem -TR-35 from Paqworks

Supplier: Paqworks by Madison Technologies

Westermo TR-35 is a rack based modem designed to satisfy industry's demands on reliability and functionality in environments with high levels of interference.

Price Guide: POA

The RV-07 (19" rack) can be equipped with up to 17 modems, which makes it ideal for use where numerous modems need to be installed in the same place (modem pool).

The Weastermo modem is equipped with transient protection on the line side and a “watchdog” that monitors and automatically resets the modem in the event of a fault.

Specific parameters can also be set in hardware using DIP-switches. These functions make the modem perfect for installation at unmanned sites and prevent the need of costly service trips.

The modem has an RS-232/422/485 interface and works both as calling/answering and on a 2-/4-wire leased line.

TR-35 can handle rates up to 115.2 kbit/s on the terminal side and up to 33.6 kbit/s on the line side.

  • RS-232/RS-422/485
  • Data rate 33.6 kbit/s
  • Terminal rate up to 115.2 kbit/s
  • 2-/4-wire leased line
  • DTR-dialling
  • DIP-switch configuration
  • Watchdog
  • Transient protection on the line side (SIDACTOR)

For further information about the Westermo Industrial PSTN Modem -TR-35 visit Paqworks - IP Cameras at
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