User`s manual

Figure 7 - Header E4, Line Termination
Electrical Interface Selection
Each port on the COML 106U has the ability to be used in either RS-232 or RS-422/485. This is selectable
via two 24 pin DIP-shunts at E1and E2. Please use the following illustration to aid in the configuration of your
electrical interface.
Figure 8 - Headers E1 & E2, RS-232 Selected
Figure 9 - Headers E1 & E2, RS-422/485 Selected
P
P
T
L
L
E1
E2
RS-232
RS-422
E1
E2
RS-232
RS-422
CyberResearch
®
Serial Communications COML 106U(-X)-D25
CyberResearch, Inc. 5
25 Business Park Drive P: [phone]; F: [phone]
Branford, CT USA www.cyberresearch.com