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LNL-1320 Dual Reader Interface Module
82.2
Installing Jumpers
The following diagram describes the use of each jumper on the board. The jumper is indicated by
brackets [ ]. The default shipping position is shown below.
[J3]
2-wire select: Must
install in 2W position.
[J5]
RS-485 EOL
termination :
Jumper = termination .
No jumper = no
termination
424 —
revision 7
[J2]
Reader power :
12V =
24 VDC reduced to 12 VDC at reader ports .
Do not use if VIN is less than 20 VD C
PT =
VIN passed through to reader ports
A
B
1
2
3
4
TMP
GND
PFL
J 14
GND
J 11
12V
P T
J15
2W 4W
J 3
R S- 485
TR +
TR -
J5
R +
R -
S
G
J6
A C OC
A C
GN O
J12
5
6
7
8
TMP
P FL
R 1
R2
J9
J 10
U 1
J 13
TB 10
K1
K2
K 3
K 4
K 5
K 6
J3
TB11
TB8
TB 9
OFF ON
S1
TB12
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