No Gateway

utilitymeter data

T24 PCT

meter or collector

prices,emergencies,

messages

No Gatewaywith remote message device

utilitymeter data

T24 PCT

meter or collector

prices,emergencies,

messages

HAN access using expansion portdisplay

Meter, Collector or PCT Gateway

T24 PCTmeter or collector

Separate Gateway

T24 PCT

meter or collector

gateway

utility meter data

prices, emergencies,

messages

prices, emergencies,

messages

prices, emergencies,

messages

utility meter data

home meter data

home meter data

HAN access using expansion port

HAN access using expansion port

Slide #2 April 21, 2007 rev 4

Ron Hofmann

HAN access using expansion port

Utility Owned Consumer Owned

Private Fixed NetworksWAN/LAN

Anyintervalmeter

or pole-topcollector

PSTN/DSL/Cable/SatelliteWAN/LAN

2-way 2-way

Any gateway (protocol xfr)

•Special box•Internet modem•Router•Media PC•Security panel• ……..

HAN Protocols³ZigbeeZ-waveInsteon

Wi-FiEIA709

HomePlugBluetooth

2-wayT24 PCT

RDS/FM or pager broadcast

1-way

2-way

HAN access using expansion port

Pool Pump

Appliances

Display Devices

1.e.g., 802.11b, proven mesh LAN protocol, etc.2.To be determined3.Up to 45 active protocols worldwide

Broadband TV, music

AMI-HAN Interface

2-way

2-way

2-way

• interval energy• time• billing start time• peak power• messages• acknowledgements• price signals• reliability signals

RF-TX1

PLC-TX²and/or

Third-Party Provider

Third-Party Provider

Third-Party Provider

Third-Party Provider

2-way

Slide #1 April 21, 2007 rev4

Ron Hofmann

2-way