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18 OKIPOS 80 Plus III
Appendix
Cash Drawer Pin Assignments
Function Drawer 1 Drawer 2
Drawer Drive + Pin 4 Pin 4
Drawer Drive - Pin 5 Pin 1
Status Signal Pin 2 Pin 2
Status Ground Pin 3 Pin 3
Frame Ground Pin 6 Pin 6
RS-232C Communication
The RS-232C interface uses the following protocol and
communication characteristics:
• Up to 19.2K Baud
• Up to 6K Buffer
• Ready/Busy or XON/XOFF Protocol
• Communications Diagnostic Mode
Pin Assignments for 9-pin Printer Connector
Pin Name Description
Pin 1 DCD Data Carrier Detect
Pin 2 RX Receive Data
Pin 3 TX Transmit Data
Pin 4 DTR Data Terminal Ready
Pin 5 GND Signal Ground
Pin 6 DSR Data Set Ready
Pin 7 RTS Request To Send
Pin 8 CTS Clear To Send
Pin 9 SSD Secondary Data
Serial Cable
Cable Requirements
The OKIPOS 80 Plus III Printer requires an RS-232C shielded
cable, no more than 50 feet long.
80p3gb.p65 12/01/99, 11:4318