Gasboy 9120K Series Installation - Manual (Page 46)

9820K Setup and Special Features CPU Switch Settings
Page 42 MDE-4567C 9120K and 9820K Series AST Pumps Installation and Operation Manual · September 2008
Figure 6-3: CPU PCB – Location of Switches
Switch SW1
SW1-1: Baud Rate
This switch is set to reflect the communication rate of the Gasboy RS-485 pump loop; open for
9600 baud or closed for 1200 baud. The Gasboy CFN system and TopKAT
TM communicate at
9600 baud.
Baud Rate SW1-1 Fuel System
9600 Open • CFN
• TopKAT top-mount
• TopKAT electronic
1200 Closed None currently supported
SW1-2: Mode
If the 9820K is controlled by a Gasboy CFN or TopKAT electronic fuel management system,
the switch should be open (online mode). If the 9820K is controlled by a Gasboy Series 1000
or TopKAT mechanical system, or controlled by any non-Gasboy system, or not controlled by
any fuel management system at all, the switch should be closed (standalone mode).
Note: The 9820K is shipped in standalone mode.
Mode SW1-2 Fuel System
Online Open • CFN
• TopKAT top-mount
• TopKAT electronic
Standalone Closed • Series 1000
• TopKAT mechanical
• All non-Gasboy systems
• No fuel system