150
Installing [email protected]
The following table shows how to set the shorting jumpers for each possible voice board
in Amanda.
Closed means that two pins are covered/connected by the shorting jumper, and Open
means that the two pins are
not
covered/connected by the shorting jumper. In the diagrams
in this chapter, the blacked out pin positions represent closed positions.
T
IP
:
Installers often place shorting jumpers over only one pin when the posi-
tion is Open. This does not connect the pins, but it does prevent losing
jumpers.
Notice that the jumper positions numbered 3 through 7 are always closed and that the
jumper positions numbered 8 and 9 are always open. You will change only the leftmost
three jumper positions (those numbered 0, 1, and 2 in the table).
The next table show the jumper positions graphically.
C
AUTION
:
Do not add or remove shorting jumpers while power is applied to the board.
Hex
Leftmost Jumper
PositionsRightmost
Boar
d
Ad-
dress
1
2
3
4
5
62
7
8
9
10
1
300
Close
d
Close
d
Close
d
Close
d
Close
d
Close
d
Close
d
Close
d
Open
Open
2
301
Open
Close
d
Close
d
Close
d
Close
d
Close
d
Close
d
Close
d
Open
Open
A Graphical View
Board
Hex
Address
Jumper Positions
1
300
2
301
Содержание [email protected] Version 3.xx
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