Switches, s1 and s2 – Gasboy CFN Series Site Controller III Start-up User Manual
Page 44
Jumpers and Switch Settings
SC COMM CPU PCB
Page 38 MDE-4793A CFN Series Site Controller III Start-up Manual for CFN III Versions 3.5 and above · November 2008
Switches, S1 and S2
Switch S1 - PC IRQ
Indicates the interrupt. Only one can be selected. SC3.EXE assumes interrupt 10. No other
device can use this interrupt.
Switch
Function
Default
S1-1
IRQ-15
Open
S1-2
IRQ-12
Open
S1-3
IRQ-11
Open
S1-4
IRQ-10
Closed
Switch S2 - PC Address
Sets PC Dual RAM address. SC3.EXE currently assumes D0000.
Switch SW3 - Default Sign-On
Position 4 defaults to Open; Closed Normal setting.
Switch SW4 - Weights and Measures Switch
Set to Open for enable; Closed for disable.
Address
Switch
Address
Switch
1
2
3
4
1
2
3
4
C0000
C
C
C
C
D6000
O
C
C
C
C3000
C
C
C
O
D9000
O
C
C
O
C6000
C
C
O
C
DC000
O
C
O
C
C7000
C
C
O
O
DF000
O
C
O
O
CC000
C
O
C
C
E0000
O
O
C
C
CF000
C
O
C
O
E3000
O
O
C
O
D0000
C
O
O
C
E6000
O
O
O
C
D3000
C
O
O
O
E9000
O
O
O
O
K7
RS-485 loop 2, 2 to 4 wire
2 - 3 for 4 wire
1 - 2 for 2 wire
K8
Rx clock from synchronous modem
(DB25-15)
1 - 2 to connect
K9
ETC output to synchronous modem
(DB25-24)
1 - 2 to connect
K10
Tx clock input from synchronous
modem (DB25-17)
1 - 2 to connect
K11
EPROM type
2 - 3 for 27256/25128
K12
EPROM type
2 - 3 for 27256/25128
Jumper
Function
Setting