Rs-422a interface – Kyocera FS-680 User Manual
Page 126
Appendix C Host Computer Interface
C-9
RS-422A interface
The serial interface was set to RS-232C mode before leaving the factory. However, by changing the
jumper connector on the IB-10 interface board, the interface can be changed to RS-422A mode.
In RS-232C mode, the printer can be connected to a personal computer (or similar device)
equipped with an RS-232C serial interface. (The serial interface is set to RS-232C before
leaving the factory.)
In RS-422A mode, the printer can be connected to a personal computer (or similar device)
equipped with an RS-422A serial interface.
Note______________________________________________________________________
The changing of the jumper connector should be carried out only by a Kyocera authorized dealer or
Kyocera certified technician. Kyocera shall not be liable for damage due to improper changing of the
jumper connector.
Interface Signals
The pins in the printers RS-422A interface connector carry the signals listed in Table C.3.
Table C.3. RS-422A Signal Pin Assignments
Pin
In/out
Signal
Description
1
FG
Frame ground
3
In
RDA
Receive data Inverted
7
SG
Signal ground
9
Out
SDA
Send data Inverted
10
Out
SDB
Send data
11
+5V DC
18
In
RDB
Receive data