SATO CT 412i, Operator'S Manual

Page: 16 / 73

Unit 2: Technical Data
CT4i Operator’s Manual
2-7
I/O SIGNALS
PIN# SIGNAL I/O DESCRIPTION
1 FG - Framework Ground
2 SD Output Data transferred from Printer to Host
3 RD Input Data transferred from Host to Printer
4 RS Output Goes to the Low state when an error occurs in the printer
5 CS Input Maintained at the High state
6 DR Input Maintained at the High state
7 SG - Signal Ground
20 ER Output Goes to the High state when printer is ready to receive data
Goes Low when printer is OFFLINE or errors have occurred in the printer
LINE CONNECTION
DB9 DB25 HOST INTERCONNECTION PRINTER
1 1 FG 1 FG (Frame Ground)
2 3 RD 2 TD (Transmit Data)
3 2 TD 3 RD (Receive Data)
8 5 CTS 4 RTS (Request To Send)
7 4 RTS 5 CTS (Clear To Send)
4 20 DTR 6 DSR (Data Set Ready)
6 6 DSR* 20 DTR (Data Terminal Ready)
5 7 SG 7 SG (Signal Ground)