N-1000-III/IV
N-1000-III/IV
N-1000-III/IV
N-1000-III/IV
N-1000-III/IV
4–14
4–14
4–14
4–14
4–14
Section 4: P
Section 4: P
Section 4: P
Section 4: P
Section 4: Panel L
anel L
anel L
anel L
anel Layout
ayout
ayout
ayout
ayout
4-9: Jumpers
There are several jumpers on the circuit board (Figure 4-9) which configure the
panel for various modes of operation as indicated below:
Number
Position
Function
JP1
Jump Pins 1 & 2
Select 20 mA communications loop.
Jump Pins 2 & 3
Select 485 multi-drop communications (default).
JP2
Open
Provide end of line (EOL) termination for
JP3
Open
485 drop line. Refer to Section 6-6-8 for details.
JP4
Jump Pins 1 & 2
Jumper is on for the panel at the end of the 485
multi-drop cable (default).
Remove
Remove the jumper if the panel is not at the end
of the cable or JP2 and JP3 are used. Refer to
Section 6-6-8 for details.
JP5
(Not Used)
JP6
Jump pins 2 & 3
Select onboard power status detection (default).
Jump Pins 1 & 2
Select external power status detection.
JP7
(Not Used)
JP8
(Not Used)
JP9
Jump Pins 1 & 2
Disable clearing of RAM by JP10 (default).
Remove
Enable clearing the RAM by JP10.
JP10
Jump Pins 1 & 2
Clears RAM when power is off for at least 60
seconds and JP9 is removed.
Remove
Will not clear RAM, allows supercap to backup
memory (default).
JP11
(Not Used)