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CA Series PC/104
Serial Interface
CA Series
For the CA-114, use SW3, SW4, and SW5 to select the serial interface as follows:
Interface
SW3
SW4
SW5
For the CA-134I, CA-132 , and CA-132I , use the 2-WIRE/4-WIRE and RS-422/RS-485 DIP switches to select
the serial interface as follows:
Interface
RS-422
4-wire RS-485
2-wire RS-485
CB Series
For the CB-114 and CB-134I, use the DIP switch to select serial interface.
CB-114
Mode
RS-232
RS-422
4-wire RS-485
2-wire RS-485
CB-134I
Mode
RS-422
4-wire RS-485
2-wire RS-485
RS-232
RS-422
–
–
–
ON
ON
OFF
2-WIRE/4-WIRE
–
OFF
ON
S1
S2
S3
-
-
ON
-
ON
OFF
ON
OFF
OFF
OFF
OFF
OFF
S1
S2
-
OFF
OFF
ON
ON
ON
= on,
= off
4w
2w
RS-485
RS-485
ON
OFF
OFF
OFF
OFF
OFF
RS-422/RS-485
OFF
ON
ON
2-6
Hardware Installation
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