Serial interface with rs-422, Rs-422 – Output Solutions C I - 8 0 6 0 User Manual
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1
9
3
RS-422
RS-422
18
10
RDA
PG
PG
RDA
SDA
SDA
SDB
SDB
RDB
RDB
Appendix A System Interface Description
A-7
1.2.3
Serial Interface with RS-422
This interface typ requires the signal lines.
S Pin
1 Protective Ground (PG)
S
3 Receive Data (RDA)
S
9 Send Data (SDA)
S
10 Not Send Data (SDB)
S
18 Not Receive Data (RDB)
Standard Connection
Note:
Protective ground (PG) connected either to host or printer