Moxa TCC-100I-T Industrial RS-232 to RS-422/485 Converter with 2 kV Isolation (Wide Temp)

Part #: M TCC-100I-T

The Moxa TCC-100I-T is an industrial RS-232 to RS-422/485 converter with 2 kV optical isolation, ADDC, and wide-temperature operation from -40 to 85°C. Supports 50 bps to 921.6 kbps including non-standard baudrates. 12–48 VDC.

  • Overview
  • Specifications
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  • Overview

Overview

The Moxa TCC-100I is an industrial RS-232 to RS-422/485 converter with 2 kV optical isolation, designed to extend RS-232 transmission distances while protecting equipment from ground loops and electrical surges in critical industrial environments. Supporting RS-422 full-duplex and RS-485 2-wire and 4-wire configurations, the TCC-100I is suited to applications where signal integrity and electrical isolation are essential. The compact metal housing supports both wall mounting and DIN-rail mounting (with optional kit).

Key Features

  • RS-232 to RS-422 conversion with RTS/CTS flow control support
  • RS-232 to 2-wire or 4-wire RS-485 conversion
  • 2 kV optical isolation protection against ground loops and transients
  • Automatic Data Direction Control (ADDC) for RS-485
  • Supports baudrates from 50 bps to 921.6 kbps including non-standard rates
  • Software-selectable RS-485 termination: N/A, 120 Ω, 120 kΩ
  • Plug-in terminal block for easy RS-422/485 wiring
  • External terminal block power input (12–48 VDC)
  • LED indicators for power, Tx, and Rx
  • Wall mounting standard; DIN-rail mounting with optional kit
  • Overload current protection
  • 5-year warranty

Serial Interface

The TCC-100I provides two serial ports — one RS-232 (TxD, RxD, RTS, CTS, GND) and one RS-422/485 via terminal block. RS-422 mode supports full-duplex operation with optional RTS/CTS hardware flow control. RS-485 2-wire mode uses Data+/Data-/GND; 4-wire mode uses Tx+/Tx-/Rx+/Rx-/GND. Pull high/low resistors (1 kΩ / 150 kΩ) and three termination options (N/A, 120 Ω, 120 kΩ) are user-selectable. The 2 kV isolation is applied across the RS-232/RS-422/485 boundary.

Power & Environmental

Powered via terminal block at 12 to 48 VDC, drawing up to 144 mA (higher than the non-isolated model due to the isolation circuitry). The TCC-100I-T operates across the full wide-temperature range of -40 to 85°C, suitable for outdoor enclosures and harsh industrial environments. Ambient humidity tolerance is 5 to 95% non-condensing. The metal IP30 housing measures 67 x 100.4 x 22 mm and weighs 148 g.

Certifications

UL 60950-1, EN 55032/35, CISPR 32, FCC Part 15B Class A, CE. MTBF: 3,017,857 hours (Telcordia/GB).

  • Specifications
Category Specification Value
Serial Interface No. of Ports 2 (1 x RS-232, 1 x RS-422/485)
Serial Interface Connector Terminal block
Serial Interface Standards RS-232, RS-422, RS-485
Serial Interface Baudrate 50 bps to 921.6 kbps (incl. non-standard)
Serial Interface RS-485 ADDC Yes (Automatic Data Direction Control)
Serial Interface Pull High/Low Resistor 1 kΩ, 150 kΩ
Serial Interface RS-485 Terminator N/A, 120 Ω, 120 kΩ
Serial Interface Isolation 2 kV (optical)
Serial Signals RS-232 TxD, RxD, RTS, CTS, GND
Serial Signals RS-422 Tx+, Tx-, Rx+, Rx-, RTS (opt.), CTS (opt.), GND
Serial Signals RS-485-2w Data+, Data-, GND
Serial Signals RS-485-4w Tx+, Tx-, Rx+, Rx-, GND
Power Input Voltage 12 to 48 VDC
Power Input Current 144 mA (max)
Power No. of Power Inputs 1
Power Connector Terminal block
Power Overload Protection Yes
Physical Housing Metal, IP30
Physical Dimensions 67 x 100.4 x 22 mm
Physical Weight 148 g
Physical Installation Wall mount; DIN-rail (optional kit)
Environmental Operating Temperature -40 to 85°C (-40 to 185°F)
Environmental Storage Temperature -40 to 85°C
Environmental Ambient Relative Humidity 5 to 95% (non-condensing)
Certifications Safety UL 60950-1
Certifications EMC EN 55032/35, CISPR 32, FCC Part 15B Class A
MTBF Time 3,017,857 hrs (Telcordia/GB)
Warranty Period 5 years
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