User`s manual

CYMOD 4520 • 13
A Look at CYMOD 4520 & Pin Assignment
(RS-232 IN)
CM 4520
(Y) DATA+
(G)DATA-
(R)+Vs
(B)GND
RS-232 to RS-485
/RS-422 Converter
Switch Position Baud Rate
SW1: ON
RTS CTRL
SW2: ON
SW3: ON
SW4: ON
SW5: ON
SW6: ON
SW7: ON
115.2K bps
2400 bps
4800 bps
9600 bps
19.2K bps
38.4K bps
TX+
TX-
RX+ TX-