Table A.11:Cn13: Com2 - Advantech UTC-315 POS Series User Manual

Table A.11: CN13: COM2
Part Number
Footprint
Description
Pin
1
2
3
4
5
6
7
8
9
UART RS485 Auto Flow Control
COM2 supports RS485 auto flow control function for all UART.
Enabling the RS485 auto control function automatically drives the RTS# pin logic to
high or low for flow control.
To enable the RS485 auto flow control function, the parity and stop bit configuration
must adhere to one of the following three options:
(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
1655000197
WF_5x2P_79_BOX_D_P1R
1655_WF_5x2P_79_BOX_D_P1R_0.Normal
Pin Name
422/485 TX-
422/485 TX+
422 RX+
422 RX-
GND
DSR#
RTS#
CTS#
RI#
39 UTC-315 POS Series User Manual