Lantronix XPort Pro LX6 XPort - Universal Demo Board User Guide - Page 7

Serial Interfaces, XPort Demo, PIN FUNCTION

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2: Demonstration Kit Demo Board Block Diagram The following drawing is a block diagram of the XPort Demo Board showing the relationships of the components. Figure 2-1. Demo Board Block Diagram Serial Interfaces The demo board has an RS-232 transceiver for connection to the XPort internal UART. The table below lists the RS-232 signals and corresponding pins on the demo board. All signals are level-shifted by the transceivers. Table 2-1. RS-232 Signals on Serial Port 1 XPort Demo PIN FUNCTION Serial Port TX_232 (Data Out) RX_232 (Data In) CTS_232 (HW Flow Control Input) RTS_232 (HW Flow Control Output) DTR_232 (Modem Control Output) GND (Ground) DB9 Pin # CON1 3 2 8 7 4 5 XPort Universal Demo Board User Guide 7

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2: Demonstration Kit
Demo Board Block Diagram
The following drawing is a block diagram of the XPort Demo Board showing the
relationships of the components.
Figure 2-1. Demo Board Block Diagram
Serial Interfaces
The demo board has an RS-232 transceiver for connection to the XPort internal
UART. The table below lists the RS-232 signals and corresponding pins on the demo
board. All signals are level-shifted by the transceivers.
Table 2-1. RS-232 Signals on Serial Port 1
XPort Demo
PIN FUNCTION
DB9
Pin #
Serial Port
CON1
TX_232 (Data Out)
3
RX_232 (Data In)
2
CTS_232 (HW Flow Control Input)
8
RTS_232 (HW Flow Control Output)
7
DTR_232 (Modem Control Output)
4
GND (Ground)
5
XPort Universal Demo Board User Guide
7