Westermo TDW 33 Tele Modem User Guide

Below you will find brief information for Tele Modem 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.

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Tele Modem TDW 33 User Guide | Manualzz

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Key features

  • DIN-rail mounting
  • V.90 modem
  • RS-232 interface
  • Data rate up to 56 kbit/s
  • Remote configuration
  • Secure call-back
  • Watchdog
  • Transient protection

Frequently asked questions

The TDW-33 complies with various agency approvals and standards, including EN 55022, EN 55024, EN 61000-6-1, EN 61000-6-2, EN 61000-6-3, EN 61000-6-4, FCC part 15 Class B, EN 50121-4, IEC 62236-4, UL/IEC/EN 60950-1, CS 03 Part 1, FCC part 68, TIA-968-A, ETSI TS103 021-1, ETSI TS103 021-2, ETSI TS103 021-3, AS/ACIF S002, AS/ACIF S006.

The TDW-33 requires a DC power supply with a voltage range of 10-36 VDC.

The TDW-33 requires a maximum branch circuit protection of 20 A.

The TDW-33 uses convection cooling.

The recommended spacing for proper airflow around the TDW-33 is 2.5 cm (1 inch) on all sides and 5 cm (2 inches) above and below the unit.

The TDW-33 has an operating temperature range of -40°C to +75°C (-40°F to +167°F).

The TDW-33 has a DIN-rail mounting size of 35 mm.

The TDW-33 weighs approximately 220 grams (7.76 ounces).
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