ID
Connector
Description
1
GPS LED
indicator
An LED that indicates the status of the GPS antenna.
■
A lit LED indicates that the GPS antenna is operating properly.
■
An unlit LED indicates that the GPS antenna is not operating properly and
should be serviced.
For more information, see
Connecting the GPS and Data Cables on page 38
2
GPS
antenna
connector
Connects the MC3 to the roof-mounted GPS antenna.
3
Power
indicator
An LED that turns on when the MC3 is receiving power.
■
A solid LED indicates that the power is on and the radio is connected to the
Mobile Collection computer via the USB cable.
■
A flashing LED indicates the power is on, but the radio is not connected to the
Mobile Collection computer via the USB cable.
4
Side-looker
antennas
Extra connectors for the optional side-looking, roof-mounted antennas.
Do not use these connectors for the main MC3 antenna.
5
Main
antenna
Connector for the roof-mounted omni-directional antenna cable.
6
Vehicle
power
Input that receives the connector running to the vehicle power source to provide
power to the MC3.
In addition to wiring the power cable directly to the vehicle, a 12V auxiliary power
cable is available. Itron recommends the use of the permanent solution for better
power sourcing.
Caution: When using the auxiliary power cable, always disconnect this cable
from the power source when not in use. Failure to do so could result in a dead
vehicle battery.
7
Fuse holder
Holder that accepts standard automotive 12V (15amp) AGC fuses (1 included) to
protect internal circuitry from power surges by the vehicle.
8
USB
Connects the Mobile Collection computer to the MC3 radio.
Connecting the Power Cables
Power to the Mobile Collection components is distributed through the junction box on the side of
the sled. There are three power cables that must be connected.
07 May 2020
815-0207-00 REV 000
Itron, Inc. Page 31 of 44
Vehicle Preparation and Hardware Installation Guide
3 Installing Mobile Collection Components