Impulse 1103 - Manual (Page 7)

Card Setup
Sealevel Systems IC485+I Page 5
Electrical Interface Examples (DIP switch SW2)
ON
1
2
OFF
3
4
5
6
Figure 6 – RS-422 with Termination and Receiver Echo
ON
1
2
OFF
3
4
5
6
Figure 7 – RS-485 2-wire with Termination and Receiver No Echo
ON
1
2
OFF
3
4
5
6
Figure 8 – RS-485 2-wire no Termination and Receiver No Echo