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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