Com Port Interface - Advantech TREK-510 User Manual

4.3 COM Port Interface
The computer provides totally eight serial ports for difference uses. Six RS232 and 3 UART .
Ports, respectively. Below table describe each COM port function.
Table 4.3.1: Serial Port Function
Port Function
COM0 2‐wire RS‐232 (TXD/RXD) for TREK‐303
COM1 4‐wire RS‐232 for System internal debug
COM2 4‐wire UART for UBLOX GPS module
COM3 4‐wire UART for system internal GPS
COM4 2‐wire RS‐232 (TXD/RXD) for internal uP
COM5 8‐wire UART for RF module
COM6 8‐wire Full functional RS‐232
COM7 8‐wire Full functional RS‐232
COM8 4‐wire RS‐232 and 2‐wire RS‐485 with software select
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