User`s manual

CP-134U Series User’s Manual Hardwareware Installation
2-5
DIP Switch Settings
Refer to the figures on the following two pages to see how to select between RS-422, RS-485
(2-wire), and RS-485 (4-wire).
Port 1
DIP Switch
Settings
S1-1 S2-1
RS-232 — —
RS-422 — OFF
RS-485
(2-wire)
ON ON
RS-485
(4-wire)
OFF ON
Port 2
DIP Switch
Settings
S1-2 S2-2
RS-232 — —
RS-422 — OFF
RS-485
(2-wire)
ON ON
RS-485
(4-wire)
OFF ON