Lantronix Ethernet - Serial Connector Pinouts; Figure 2-5. DB9 M DTE Serial Connector; Figure 2-6. RS-422;485 4-Wire Pinouts

Introduction
WiBox2100E User Guide 15
Serial Connector Pinouts
The two DB9M DTE serial ports provide default settings for RS-232C
communications of 9600 baud, 8 bits, no parity, and 1 stop bit (9600, 8, N, 1).
Figure 2-5. DB9M DTE Serial Connector
Alternatively, you can configure the WiBox for RS-422/485 4-wire communications
(Figure 2-6) or for RS-485 2-wire communications (Figure 2-7).
Figure 2-6. RS-422/485 4-Wire Pinouts