User`s manual
CyberResearch
®
CPU Cards CZGA LX-50
CyberResearch, Inc. 79
25 Business Park Drive P: (203) 483-8815; F: (203) 483-9024
Branford, CT USA www.cyberresearch.com
Figure 5-5: CF Card Setup Jumper Location
5.6.3 COM2 RS-422/485 Select Jumper
Jumper Label: JP1
Jumper Type:
3-pin header
Jumper Settings: See Table 5-4
Jumper Location: See Figure 5-6
The RS-422/485 select jumper sets the communication protocol used by the second serial
communications port (COM2) as RS-422 or RS-485.
COM2 Select Description
Short 1-2 RS-422
Short 2-3 RS-485 Default
Table 5-4: COM2 RS-/422/485 Select Settings
The COM2 Function Select jumper location is shown in Figure 5-6.