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500-171-R Pinout and drawing

500-171-R Pinout and drawing

Feb 10, 2020

What is the pinout and physical description of the 500-171-R adapter for RS485/422 4 wire and RS485 2 wire?

The 500-171-R, DB25 to Screw terminal adapter is designed for use with the following Lantronix products:

UDS-10, UDS100, UDS1100, SDS1100, SDS1101 and EDS1100

If the Lantronix device will be powered through the screw terminal adapter, the following voltages can be used:

Product

DC Voltage range

AC Voltage range

UDS-10

9 to 30Vdc

N/A

UDS100

9 to 30Vdc

9 to 24Vac

UDS1100

9 to 30Vdc

9 to 24Vac

SDS1100

9 to 30Vdc

9 to 24Vac

SDS1101

9 to 30Vdc

9 to 24Vac

Pinouts for RS485 4 Wire are as follows:

  • Connect TX + to your serial device's RX +.

  • Connect TX - to your serial device's RX -.

  • Connect RX + to your serial device's TX +.

  • Connect RX - to your serial device's TX -.

Pinouts for RS485 2 Wire are as follows:

  • Connect TX + to your serial device's positive line.

  • Connect TX - to your serial device's negative line.

Positive ( + ) = B

Negative ( - ) = A


[Originally Published On: 03/12/2007 09:26 AM]