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2.1
Jumpers
2.1.1
Jumper Description
Cards can configured by setting jumpers. A jumper is a metal bridge used to close an
electric circuit. 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, you con-
nect the pins with the clip. To open a jumper, you remove the clip. Sometimes a
jumper will have three pins, labeled 1,2 and 3. In this case you would connect either
pins 1 and 2 or 2 and 3.
The jumper settings are schematically depicted in this manual as follows.
A pair of needle-nose pliers may be helpful when working with jumpers. If you have
any doubts about the best hardware configuration for your application, contact your
local distributor or sales representative before you make any changes. Generally, you
simply need a standard cable to make most connections.
Warning! To avoid damaging the computer, always turn off the power supply
before setting jumpers.
2.1.2
Jumper List
Table 2.1: Jumper List
JUMPER1
J2
SW1
CN18
CN26
JSETCOM1
J422T1
J485T1
CN4
CN9
CN10
CN21,CN25
CN20
RSB-6410 Android User Manual
1
2
1
GPIO power select
AT &ATX mode select
Boot select
COM0 RS232 and debug mode select
COM3 RS232 and RS485mode detect
UART3 RS232, RS422, RS485 signal select
COM3 RS-422 impedance select
COM3 RS-485 impedance select
CAN impedance select
COM5 Power select
UART4 signal select to COM4 or M.2
LVDS backlight power
LVDS Power
6
2
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