Intrinsyc LANTRONIX Open-Q 820 User Manual page 21

Function
BOOT_CONFIG[1]
WATCHDOG
_DISABLE
N/C
GPS_ANT_SEL
Warning! : Before making any changes to the dip switch, make sure to note down the previous configuration.
The default switch settings are above.
3.9.2 Carrier Board Expansion Connectors
The following table lists the connectors, expansions and their usages on the carrier board:
Domain
Power
Debug Serial via USB
Open-Q™ 820 / 820Pro µSOM Dev Kit User Guide
DIP
Switch
S10-5 Enables APQ boot configuration 1
when DIP switch turned on.
Controlled by APQ-GPIO 102
S10-6 Enables WATCHDOG_DISABLE
when DIP switch turned on.
Controlled by APQ-GPIO 101
S10-7 NA
S10-8 Option to select which antenna to
use for GPS. When DIP switch ON
GPS external antenna is being used
(SMA connector). When OFF, GPS
printed antenna is being used (on-
board)
Table 3.8-2 Carrier Board Expansion Options and Usage
Description
AC / Barrel charger
Power connector
Battery Connector
Debug Serial UART
console over USB for
development
Open-Q 820 µSOM Development Kit
Description
Specification
12 V DC Power Supply
5 A
20 pin header
6 pin header
USB Micro B connector
Notes
Default out of the box
configuration is OFF
Default out of the box
configuration is OFF
NA
Default out of the box
configuration is OFF
Usage
Power Supply
For providing extra
current to camera
connectors when
needed (ie: when high
performance cameras
used)
For Battery operation
and charging
development
Development Serial
Connector for debug
output via USB
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