User Manual

Table Of Contents
SmartPoint Module Overview 2-1
SmartPoint Module for the Elster A3 Meter ECMTM40000
2 SmartPoint Module Overview
2.1 FlexNet SmartPoint Assembly
The SmartPoint assembly consists of a SmartPoint printed circuit board and a separate antenna printed circuit
board. A 20-pin connector joins the SmartPoint module to the sensor board.
The SmartPoint module is installed on three plastic standoffs inserted in the sensor board. The antenna is
fitted into a slot on the side of the base. A 20-pin connector joins the SmartPoint module to the sensor board.
The FlexNet SmartPoint module contains a micro-controller, a FlexNet transceiver, and a FlexNet AMI
antenna. See Section 2.3 for more information on the FlexNet System, and see Appendix A for a more detailed
FlexNet SmartPoint overview.
The transceiver operates between 800 and 960 MHz, with each 100 MHz operation band (800, 900 MHz)
requiring a slightly different build, using alternate capacitors, inductors, possibility layouts, and antennas.
The authorized SmartPoint bandwidth is 25 kHz.
The transceiver is capable of multiple on-air modulation formats, including:
Normal mode, for standard transmissions,
Message Pass mode for messages optionally repeated by a receiver-capable meter, and
Poll/Response mode, for providing a clear channel for responses from tower commands.
2.2 Labels
2.2.1 FCC Label
The FCC label may:
contain patent and part numbers,
provide relevant FCC Part 15 compliance information for the integrated AMI card,
describe the operating conditions, or
contain a warning for disposal in the event that the AMI card contains Mercury.
If installing a new AMI card, this label is attached to the register cover.
2.3 FlexNet System Overview
The FlexNet System enhances the Elster meter by providing Advanced Metering Reading (AMR) capability.
See Appendix A for a more detailed overview of the FlexNet SmartPoint.
2.3.1 Description of Operation
The FlexNet data collection and command network is comprised of two parts:
Local RF Network, and
Regional Network Interface (RNI).
: FlexNet Fixed Base AMI Network Overview2-1, FlexNet AMI Network Overview, exhibits the general
structure of the communications network employed to access and retrieve meter data.