Serial Cable Information; Serial Interface Signal Requirements - OKIDATA Pacemark 3410 Service Handbook

Serial Cable Information

The information in this section will help you make a serial cable to connect between the printer
and computer.
Refer to the computer documentation to determine the cable requirements on the computers end.
The Pacemark 3410 has the following cable requirements.
• Shielded, RS-232C cable
• UL and CSA approved
No more than 50 feet long
•
• Cannon DB-25P plug (or equivalent) with 25 pins
• Cannon DB-C2-J9 (or equivalent) connector shell

Serial Interface Signal Requirements

Pin Signal
1 Protective Ground
2 Transmit Data
3 Receive Data
4 Request to Send
6 Data Set Ready
7 Signal Ground
11 Supervisory Send Data
20 Data Terminal Ready
Pacemark 3410 Service Handbook
Symbol Direction
PG Ground
TD From Printer
RD To Printer
RTS From Printer
DSR From Printer
SG Ground
SSD From Printer
DTR From Printer
4 - 45
Description
Connected to the printer frame
Serial data transmitted to the system
Serial data received by the printer
Always set to low (mark)
Indicates that data can be sent
Ground
Indicates that the printer is not ready to
receive data
Indicates that the printer is not ready to
receive data
Failure Analysis