Chapter 3: Installation and Hardware

Figure 3-2. Front of XPress DR+

Serial Interface

The XPress DR+ supports RS-232 via RJ45 connectors. It also supports RS-422/485 via screw terminals (Serial Port 2 only).

Note: Serial Port 2 supports RS232, RS422, and RS485, but only one mode at a time. This means you can use either the RJ45 connector or the terminal block, not both.

The RJ45 serial connectors only support RS232, up to 230400 bits per second.

XPress DR+ User Guide

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Lantronix manual Serial Interface, Front of XPress DR+