User's Manual
Table Of Contents
- Understanding Silver Spring Networks Access Points
- Contents
- 1 About Access Points
- Overview
- Features
- AP Product Description
- Battery Backups
- Read Storage
- Power Requirements
- Rebooting or Recycling APs
- Standards Compliance
- Cellular Modem
- Addressing Schemes
- Specifications
- European Union Compliance
- Maintenance Procedures
- Surge Protection
- Redundant WAN Option
- Mounting Options
- WAN Options
- Throughput Performance
- Responding to a WAN Failure
- Multicast / Unicast Communications
- Networking
- Address Management
- Administration
- Configuration
- 2 FCC and Government Guidelines
- Index
Understanding Silver Spring Networks Access Points 1 About Access Points
Understanding Silver Spring Networks Access Points 4 March 2013 Silver Spring Networks 8
Cellular Modem
Currently,themodemisaSierraWirelessAirLink,RavenX,RavenXT,orRavenXE
dependingonAPmodelandcountrylocation.
Addressing Schemes
SilverSpring’saddressingschemeisbasedontheInternetProtocol(IP)suite.Eachnetwork
devicehasoneormoreIPv6addresseswithintheLAN.TheAccessPointwilltypicallyhave
anIPv4addressassignedtotheWANside.A6in4tunnelcarriesthedataoveracellular
carrierorEthernet‐based
backhaultotheheadend,wherethetunnelisterminated,andIPv6
trafficiscarriedthroughtoUtilityIQ,GridScape,orHCM.Ahigh‐levelconceptualizationof
theNAN‐to‐WANnetworksthatAPtraffictraversesisshowninFigure3.
TheAccessPointisthecentrallinkbetweentheutility’s
enterprisemanagementsystemsand
theendpointdevicessuchasSilverSpring‐enabledelectricity,water,gasmeters,bridges,
ExternalCommunicationsModules,andFaultCircuitIndicators.
TheAccessPointisavitalpartofthesmartgridnetwork,whichextendssecure,real‐time
measurementandcontrolinterfaces(withfull,two‐waycommunications)throughout
the
networkandtothecustomerpremises.
TheAccessPointprovidesahighlyreliableconnectiontoRFdevicesoveraNAN.It
communicateswithintelligentendpoints,includingmetersandBridges.TheAccessPoint
canalsopassinformationthroughmultipleSilverSpringRelaysorthroughSilverSpring‐
enabledelectricitymetersor
MasterBridges.Anditoffersmultiplepathstoeachendpoint,
throughsophisticatedmeshnetworkroutingthatensuresgreaterreliabilityandredundancy.
TheAccessPointalsoprovidesWANconnectivitytoyourutility’smission‐critical
applicationsthroughdigitalcellularorEthernetconnections.
Figure 3. APs in the Silver Spring Network