XLINK 500/100 Operations & Maintenance Manual page # 13
3.1.
XLink 500
The figure below shows the connections provided by the XLink 500:
Power/Battery
Status LED
USB to PC
Option Card
Slot
RS232 to PC
Wi-Fi button
1 terminal block
Earth Ground
SPI/I2C expansion
port
USB Host
Micro SD slot
Solar Panel input
1 terminal block