Westermo TD-23 - Manual (Page 19)

19 6600-2204
S3 DIP-switch
RS-422/485 termination
2-wire termination with
failsafe; T+/R+ and T– /R–
4-wire termination with failsafe;
R+ and R–
No termination
or failsafe
Factory settings
ON
1 2 3 4 5 6 7 8
S2
ON
1 2 3 4 5 6 7 8
S1
ON
1 2 3 4
S3
ON
1 2 3 4
ON
1 2 3 4
ON
1 2 3 4