CyberResearch CPEN GX-333-X User Manual
Page 37

CyberResearch
®
CPU Cards
CPEx GX-333-X
CyberResearch, Inc.
35
25 Business Park Drive
P: (203) 483-8815; F: (203) 483-9024
Branford, CT USA
www.cyberresearch.com
18. CN18: COM2/3 Internal Serial Port
Table 2-21 CN18: 14 (2x7) Pin 2.0mm Connector Pinouts
PIN
DESCRIPTION
PIN
DESCRIPTION
1
DCD2
2
DSR2
3 RXD2
4 RTS2
5
TXD2 6
CTS2
7 DTR2
8 COM_RI2
9 GND
10
GND
11
TXD485+ 12
TXD485#
13 RXD485+
14 RXD485#
Figure 2-26 CN18: COM2/COM3 Serial Port
The connection to the CN18 serial port requires an adapter cable as shown below.
Figure 2-27
COM2/COM3 Serial Port Adapter Cable