Moxa Technologies user manual CP-118U Block Diagram, DIP Switch Settings

CP-118U User’s Manual Hardware Installation

CP-118U Block Diagram

135 mm [5.31 in]

CP-118U

MU860

41.7mm [1.64 in]

121mm [4.76 in]

82mm [3.23 in]

DIP Switch Settings

CP-118U has three onboard DIP Switch arrays, each with 8 switches, referred to below and on the board (see the above block diagram) as S1, S2, and S3. The switches are used to select one of four serial interfaces—RS-232, RS-422, 4-wire RS-485, 2-wire RS-485—for each of the eight ports.

Note that S3 selects between RS-232 and RS-422/485, S2 selects between RS-422 and RS-485, and S3 selects between 2-wire and 4-wire RS-485.

Mode	S1	S2	S3
RS-232	---	---	ON
RS-422	---	ON	OFF
4-Wire RS-485	ON	OFF	OFF
2-Wire RS-485	OFF	OFF	OFF

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