Manual

Card Setup
Sealevel Systems ULTRA COMM+2.PCI Page 5
Electrical Interface Selection
Each port on the ULTRA COMM+2.PCI has the ability to be used in either RS-232 or RS-422/485. This is
selectable via four 24 pin DIP-shunts at E1-E4. Please use the following illustration to aid in the configuration of
your electrical interface.
E1
E2
Port 1
RS-232RS-422
E3
E4
Port 2
RS-232RS-422
RS-232
E1
E2
Port 1
RS-232RS-422
E3
E4
Port 2
RS-232RS-422
RS-422/485
RS-232 and RS-422/485
E1
E2
Port 1
RS-232RS-422
E3
E4
Port 2
RS-232RS-422
Figure 7 - Headers E1 - E4, Electrical Interface Selection