Rs-232C Pin Configuration; Serial Cable Configuration - MUTOH SC-550 Maintenance Manual

3.1.1. RS-232C pin configuration.

PIN #
1 Frame ground
2 Transmit data
3 Receive date
4 Request to send
5 Clear to send
6 Data set ready
7 Signal ground
8 Carrier detect
9 ® 14 Not used
15 Transmitter signal
Element timing
16 Not used
17 Receiver signal
Element timing
18 Data terminal ready
19 Not used
20 Data terminal ready
Not used
21 ® 25

3.1.2. Serial cable configuration.

1) 9 pins ® 25 pins connector.
2) 25 pins ® 25 pins connector.
SIGNAL Abbr.
TXD
RXD
RTS
CTS
DSR
DTR
DTR
Maintenance Manual – SC Cutting Plotter
Signal direction
FG -
OUT
IN
OUT
IN
IN
SG -
CD IN
ST IN
RT IN
OUT
OUT
18 AP-74030, Rev / B