MUTOH SC-650 - RS-232 C Pin Configuration; Serial Cable Configuration Examples

Maintenance Manual – SC Cutting Plotter
18 AP-74030, Rev / B
3.1.1. RS-232C pin configuration.
PIN #
SIGNAL Abbr. Signal direction
1 Frame ground FG -
2 Transmit data TXD OUT
3 Receive date RXD IN
4 Request to send RTS OUT
5 Clear to send CTS IN
6 Data set ready DSR IN
7 Signal ground SG -
8 Carrier detect CD IN
9 ® 14
Not used
15 Transmitter signal
Element timing
ST IN
16 Not used
17 Receiver signal
Element timing
RT IN
18 Data terminal ready DTR OUT
19 Not used
20 Data terminal ready DTR OUT
21 ® 25
Not used
3.1.2. Serial cable configuration.
1) 9 pins ® 25 pins connector.
2) 25 pins ® 25 pins connector.