Installation Guide

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 Power
indicator
An LED that turns on when the MC4Core or MC3Lite 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.
3 USB Connects the Mobile Collection computer to the Mobile Collector radio.
4 Main antenna Connector for the roof-mounted omni-directional antenna cable.
5 Vehicle power Input that receives the connector running to the vehicle power source to provide
power to the the Mobile Collector radio.
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.
6 Fuse holder Holder that accepts standard automotive 12V (15amp) AGC fuses (1 included) to
protect internal circuitry from power surges by the vehicle.
7 GPS antenna
connector
Connects the the Mobile Collector radio to the roof-mounted GPS antenna.
MC4Max, MC4Pro, and MC3 Connectors
The connections on the MC4Max, MC4Pro, and MC3 radios include the following.
Vehicle Preparation and Hardware Installation Guide 3 Mobile Collection Component Installation
16 February 2021 815-0207-00 REV 001 Itron, Inc. Page 30 of 44