Users Manual Chapter 4

Thor VM3A Vehicle-Mounted Computer 65
Power Supply Connector
• Power is supplied to the VM3A through the power connector. Additionally, this
assembly provides a connection point for the vehicle’s chassis ground to be
connected internally to the conductive chassis of the computer.
• The computer’s internal power supply can accept DC input voltages in the range
of 10 to 60 Volts DC when using the VM1D standard dock or VM3D enhanced
dock. The VMXD dock DC input voltage is 13.2VDC from the AC/DC power
supply.
• See Power Supply Connector for connector pin-out detail. See Connect Power
for more information on connecting power to the VM3A.
Antenna Connections
The VM3A is equipped with an 802.11 WLAN radio and can be ordered with inter-
nal antennas or configured to support external antennas. When the computer is
ordered with internal antennas, the external antenna connectors are not used.
1. WI-FI (MAIN) (Red label) 802.11 Main External SMA Antenna Connector
2. WI-FI (AUX) (Yellow label) 802.11 Auxiliary External SMA Antenna Connector
Standard Dock Enhanced Dock
1 2