Rs-422A; Protocol - Kyocera FS-1050 - B/W Laser Printer Service Manual

RS-422A

Frame ground
Signal ground
Rx terminal
Tx terminal
On the computer serial port, investigate pin assignments depends on the computer manufacture's
instruction. Since the RS-422A configuration does not employ control lines except for data
transmission/reception, select a mode in which signals such as DTR are not used.

Protocol

The serial interface supports the full baud rate of: 1200, 2400, 4800, 9600, and 19200, 38400,
57600 and 115.2 k (bps). For adjusting serial interface parameters including baud rate, parity, etc.,
refer to optional Serial interface board User's Manual.
Computer
serial interface
Printer
serial port (DB-25)
1
3
7
9
0
*
C-11
FG
RD−
SG
SD−
SD+
RD+
FS-1050