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TREK-572/303 User Manual
4.1 Setting Jumpers and Switches
It is possible to configure the In-Vehicle Computing Box to match the needs of the
application by resetting the jumpers. A jumper is the simplest kind of electrical switch.
It consists of two metal pins and a small metal clip, often protected by a plastic cover
that slides over the pins to connect them. To “close” a jumper, connect the pins with
the clip. To “open” a jumper, remove the clip. Sometimes a jumper has three pins,
labeled 1, 2, and 3. In this case, connect either pins 1 and 2, or pins 2 and 3.
SW2
WWAN Voltage Setting
Description For
MC7354/MC8090/MC8092
Setting Function
(2) MC8090/MC8092(3.5V)
(1-2) (3.3V)
(2-3) MC7354(3.8V)
CN7
10/100/1000 LAN
Pin
Signal
Pin
Signal
1 L
2 LAN_MDI0-
3 L
4 LAN_MDI1-
5
L 6
LAN_MDI2-
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