Pakscan IIE System Manual
24 of 132
Publication S177E V2.0 Issue 03/05
Jumper No
Description
Function
Setting
J1
Reset
jumper
Normal operation
Override reset
Hold in reset
A
Not fitted
B
J2
RAMWR jumper
Normal operation
Full RAM access
Link 1 - 2
Not fitted
J3
CTR CLK2 jumper
CTR CLK2
Freq - A
ISAF – B
J4
MEMWR
MEMWR
Flash - B
EPROM – A
J5
RAM (A12) jumper
A12
Fitted
J6
ROM (A17) jumper
A17
Fitted
J7
IRQ jumper
IRQ enable
IRQ disable
Not fitted
Fitted
J8
CTS jumper
CTS enable
CTS disable
Link 1-2
Link 2-3
J10
ROM (A18) jumper
A18
Fitted
J11
ROM (A15) jumper
A15
Fitted
J12 to J15
Digital input jumpers
Un-isolated
Isolate channel
Link 1-2 & 3-4
Link 2-3
J17 & J18
RS485 termination jumpers
J17 = data, J18 = RTS
Termination
No Termination
Fitted
Not fitted
J19
RAM (A16) jumper
A16
Fitted
J20 & J25
RS485 bias jumper
RS485 bias data
Fitted
J21 & J26
RS485 bias jumper
RS485 bias RTS
Fitted
J24
FPGA write jumper
Enable local FPGA write
Fitted
J27
CTS1 jumper
CTS1 enable (RS485 only)
Fitted
J28
Battery jumper
Disconnect battery
Connect battery
None
Fitted
J29
INTP2 jumper
Enable INTP2
Fitted
Fig 6: Master Station V25 card internal links
J29 J7
J12
J13
J14
J15
J8
A B
A B
J11
J6
J10
J4
J1
A B
J24
J5
J19
A B
J2
J28
J27
Battery
A
B
J
3
J26
J25
J21
J
2
0
J
1
7
J
1
8
5
2
0
6
-0
1
4
V
X
.X