Impulse 7205 - Manual (Page 8)

Installation
Sealevel Systems ULTRA COMM+2.LPCI Page 5
Electrical Interface Selection
Each port on the ULTRA COMM+2.LPCI 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
Po
rt
1
RS
-2
3
2
RS-4
2
2
E3
E4
Po
rt
2
RS
-2
3
2
RS
-4
2
2
RS-232
E1
E2
Po
rt 1
RS-2
3
2
RS
-4
2
2
E3
E4
Po
rt
2
RS
-2
3
2
RS
-4
2
2
RS-422/485
RS-232 and RS-422/485
E1
E2
Po
rt
1
RS
-2
3
2
RS
-4
2
2
E3
E4
Po
rt
2
RS
-2
3
2
RS
-4
2
2
Figure 7 - Headers E1 - E4, Electrical Interface Selection