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TDW-33
The TDW-33 is designed to function reliably within industrial environments and in areas of high level interference. The modem has an RS-232 interface supporting terminal data rates up to 115-kbit/s. The TDW-33 is a V.90 modem meaning that it can support data rates of up to 56 kbit/s on the PSTN line side. The 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. These functions together with remote configuration make the modem perfect for installation at unmanned sites and prevent the need of costly service trips. The modem also has password protection, dial-back security and caller ID answering to ensure that only authorised users can communicate with the modem and any connected equipment. The TDW-33 is ideal for industrial applications as it mounts easily on to a 35 mm DIN-rail, runs from 12–48-VDC power supplies, has screw terminal connections and is tri galvanically isolated. For ease of setup the modem is supported by the Westermo TD-tool configuration software. Drivers for Windows setup are also supplied.
TDW-33


  • Extended temperature range –25°C to +70°C
  • Data rate up to 56 kbit/s (V90)
  • Terminal rate up to 115.2 kbit/s
  • DTR and incoming data dialling
  • Watchdog
  • Secure call back and access
  • Industrial environment transient protection on all interfaces
  • Up to 11 data bits
  • Tri-Galvanic isolation (interface/line/supply)
  • Caller ID presentation and answering
  • Remote configuration