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:

Pinouts for RS485 4 Wire are as follows:

Pinouts for RS485 2 Wire are as follows:

Positive ( + ) = B

Negative ( - ) = A

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

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