Jumpers
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Jumpers
For normal operation, configure the ju mpers on the main board as specified
in Table 2.
Jumper
Function
Default state
P10
auxiliary tamper
Inserted
P12
auto -update of
firmware
Open
JP3
Ethernet full duplex
Open
JP4
Ethernet loopback
Inserted
Table 1: Configuration of jumpers on main board
Configure the jumpers on the display board as specified in Table 2.
Jumper
Function
Default state
JP2
data transmission
inserted between pins 1
and 2
JP3
data receipt
inserted between pins 1
and 2
Table 2: Configuration of jumpers on display board