
PPC-3151W/3211W User Manual
38
COM3: RS-422/485 with 1000 V
DC
isolation, selectable via BIOS
3.3
UART RS-485 Auto-Flow Control
COM5 supports the RS-485 auto-flow control function for all UART.
Enabling the RS485 auto-flow control function will automatically drive the RTS# pin to
a logic level of high or low for flow control.
To enable RS-485 auto-flow control, the parity and stop-bit settings must follow one
of the configurations below.
(1) 8 data bits + 1 parity bit + 1stop bit
(2) 8 data bits + 1 parity bit + 2 stop bits
(3) 8 data bits + 2 stop bits
Pin
1
2
3
4
5
RS422
TX+
TX-
RX+
RX-
GND
RS485
D+
D-
GND
Summary of Contents for PPC-3211W
Page 1: ...User Manual PPC 3151W PPC 3211W 15 6 21 5 Panel PC with TFT LCD and Intel Core i Processor ...
Page 8: ...PPC 3151W 3211W User Manual viii ...
Page 11: ...Chapter 1 1 General Information Introduction Specifications Dimensions ...
Page 18: ...PPC 3151W 3211W User Manual 8 ...
Page 30: ...PPC 3151W 3211W User Manual 20 Figure 2 25 ...
Page 40: ...PPC 3151W 3211W User Manual 30 ...
Page 41: ...Chapter 3 3 Jumper Configuration Jumpers Connectors External COM Pin Definitions ...
Page 49: ...Chapter 4 4 Software Configuration Driver Installation BIOS Setup Utility ...
Page 65: ...55 PPC 3151W 3211W User Manual Chapter 4 Software Configuration ...