Fuel point reader, Input and output redirection, Cpu board – Gasboy CFN III Quick Reference Guide v3.3 User Manual
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CFN III Quick Reference
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MDE-4483 CFN III Quick Reference Guide v3.3 · August 2005
connect to a Site Controller. Use this option only if 
you connect to the Site Controller through a dial-out 
modem and you want to override the number in the 
password file. P requests pulse (rotary) dialing, T 
requests touch dialing, and a comma requests the 
modem to pause 2 seconds in the dialing sequence to 
wait for a second dial tone. 
Another phone number option is the modem timeout 
length. That is the time the modem will wait for an 
answer. The modem timeout length is the number of 
seconds surrounded with square brackets [], typed 
after the /D. 
/L Output usually appears on the screen. This 
option will make the output also print on the PC 
printer. 
/Ttimeout Specify how long to wait for a response 
from the Site Controller. The time is specified in 
eighteenths of a second (18 = 1 second); default and 
shortest timeout allowed is 3 (0.167 seconds). 
siteid Specify the site ID number. Use this option 
only for sites you are dialing up with a modem, not 
for direct-connect sites. Use an asterisk (*) as the site 
ID to call all the sites in the password file. 
Input and Output
Redirection
If you use site-control mode, the input and output 
files will be on the PC’s disk, instead of the Site 
Controller’s disk. Similarly, printed output will be 
printed on the PC’s printer, instead of the Site 
Controller’s printer. 
<filename uses the commands from the named file as 
input. 
>filename puts the output of the commands in the 
named file, deleting whatever was in the named file. 
>>filename adds the output of the commands to the 
end of the named file. 
>PRN prints the output of the commands on the PC 
printer (site-control mode). 
>LOG prints the output of the commands on the site 
printer (terminal mode). 
Fuel Point
Reader
CPU Board
Part number: C08886. 
4-wire operation: 
RS 485 PCB to RS-485 JBOX 
1 - Tx+ (CFN422-1) 
2 - Tx- (CFN422-2) 
4 - Rx- (CFN422-4) 
3 - Rx+ (CFN422-3) 
Switches
DIP Switch Bank 1 
DIP switch 1 on the fuel point reader terminal CPU 
board sets options, including the reader terminal 
address: 
Switch Setting
1
always on
2
always on
3
address - see below
4
address - see below
FPR address
Switch 3
Switch 4
1
OFF
OFF
2
OFF
ON
3
ON
OFF
4
ON
ON
Switch Setting
DL1
Receive from vehicle module
DL2
Transmit to vehicle module
DL3
Receive from fuel management system
DL4
Transmit to fuel management system
