SENA LTC100-01 RS232 to RS422/485 Converter with Surge Protection, Port-Powered

LTC100-01, RS232 to RS422/485 Converter with Surge Protection, Port-powered
Model: LTC100-01
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LTC100-01 RS232-RS422/485 Converter with Surge Protection, Port-powered

The LTC100-01 is a high performance signal converter between RS-232 and RS-422/485.  It may be powered through the RS-232 port or with an external AC/DC power adapter (optional). It supports half-duplex 2-wire RS-485 and full-duplex 4-wire RS-422. The LTC100-01 is equipped with 15 kV ESD surge electronics to protect against electrostatic discharge.


  • Compact RS-232 to RS-422/RS-485 Serial Converter
  • Maximum tranmission distance of 1.2 km
  • Fully compatible with PC serial COM ports
  • Port-powered from DB-9 connector, no external power supply required
  • Optional external DC power supply (7 to 12VDC)
  • Built-in surge protector up to 15 kV
  • Request-to-send auto toggling
  • LEDs for transmit, receive and power
  • DIP switch for RS-422/485 mode selection
  • Supports up to 10 devices in RS-422 multi-drop mode
  • Supports up to 32 devices in RS-485 mode
Transfer RateAsynchronous serial communication - RS-422: point-to-point, multi-drop; RS-485: echo, non-echo
Serial Interface
Data Bits5, 6, 7, 8
ParityNone, Even, Odd, Space, Mark
Stop Bits1, 1.5, 2
SignalsRS-232: TXD, RXD, DCD, DSR, RTS, DTR, CTS, GND RS-422: RXD-, RXD+, GND, TXD-, TXD+ RS-485: TRXD-, TRXD+
Input VoltagePort-Powered or Optional External Power Input: 7 to 12 VDC
Power Consumption0.4 W (33mA at 12VDC)
Surge Protection15KV for all signals
Connector TypeRS-232: DB-9 Female RS-422/485: Terminal Block (5 pin)
Dimensions74 x 37 x 19 mm
Weight33 grams
LED IndicatorsPower, TX, RX
Operating Temperature0° to 55°C
Storage Temperature-20 to 70°C
Humidity5 to 95% non-condensing
Safety StandardsCE, FCC
Warranty1 Year
Download NameFile Size
LTC100 Datasheet390.7KB
LTC100 User Manual1.5MB
Tags: LTC100-01