Pch 3098 – Acnodes PCH 3298 User Manual
Page 16

PCH 3098
8 inch Atom Fanless Panel PC
© Copyright 2012 Acnodes, Inc.
All rights reserved. Product description and product specifications
are subject to change without notice. For latest product information,
please visit Acnodes’ web site at www.acnodes.com.
14628 Central Ave.
Chino, CA91710
Tel:909.597.7588, Fax:909.597.1939
7. COM 1
:
(Type DB9),
Rear serial port, standard DB9 serial port is p
connection to serial devices. COM1 port is controlled by pins No.1~18
Signal RS232 or RS422 or RS485, for details, please refer to description of
Pin#
Signal Name
RS232
RS422
RS485
1
DCD# (Data Carrier Detect)
422_TX-
485_D-
2
RXD (Received Data)
422_RX-
NC
3
TXD (Transmit Data)
422_RX+
NC
4
DTR (Data Terminal Ready)
422_TX+
485_D+
5
Ground
Ground
Ground
6
DSR (Data Set Ready)
NC
NC
7
RTS (Request To Send)
NC
NC
8
CTS (Clear To Send)
NC
NC
9
RI (Ring Indicator)
NC
NC
please refer to description of JP485
8. COM 3: (Typ e D B9),
Rear serial port, standard DB9 serial port is p
connection to serial devices. COM1 port is controlled by pins No.1~6 of J
or 5V or 12v, for details, please refer to description of JP3.
Pin#
Signal Name
1
DCD# (Data Carrier Detect)