Kyocera FS-1050 Service Manual - Page 175
RS-422A, Protocol - fs sd
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RS-422A Computer serial interface Frame ground Signal ground Rx terminal Tx terminal Printer serial port (DB-25) 1 FG 3 RD− 7 SG 9 SD− 0 SD+ * RD+ 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. C-11 FS-1050
C-11
FS-1050
RS-422A
Frame ground
Signal ground
Rx terminal
Tx terminal
FG
RD
−
SG
SD
−
SD
+
RD
+
1
3
7
9
0
*
Computer
serial interface
Printer
serial port (DB-25)
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
.