utilizing broadband service for air quality data acquisition and
TRANSCRIPT
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Utilizing Broadband Service for Utilizing Broadband Service for
Air Quality Data Acquisition and Air Quality Data Acquisition and
Remote Site AccessRemote Site Access
Santa Barbara County Air Pollution Santa Barbara County Air Pollution
Control DistrictControl DistrictJoel Cordes and Bob Van BeverenJoel Cordes and Bob Van Beveren
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GoalsGoals
Increased Efficiency:Increased Efficiency:
•• Improve Access to Site InformationImprove Access to Site Information
•• Reduce CostReduce Cost
•• Increase SpeedIncrease Speed
•• Reduce Trips and DowntimeReduce Trips and Downtime
•• SimplifySimplify
•• Increase Data QualityIncrease Data Quality
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ConnectionsConnections
•• Dialup ModemsDialup Modems–– one or two per siteone or two per site
•• Leased Lines for Data pollingLeased Lines for Data polling–– 3002 data line3002 data line
–– 1200 Baud, 202T Modems1200 Baud, 202T Modems
–– CostlyCostly
•• Motorola Motorola ““BrickBrick”” cell phone cell phone (paired with dialup modem)(paired with dialup modem)
–– Slow, CostlySlow, Costly
–– lost connectionslost connections
A Little History
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Serial CablesSerial Cables
A Little History
• We still have them… but a lot less
Ethernet 10/100 Mbsswitch
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BroadbandBroadbandMethods of Site ConnectivityMethods of Site Connectivity
•• Broadband Services Broadband Services ((Currently in UseCurrently in Use))
–– DSLDSL
–– Fixed WIFIFixed WIFI
–– Cellular WirelessCellular Wireless
–– OthersOthers
•• Cable Cable (primary internet access at the main office)(primary internet access at the main office)
•• SatelliteSatellite
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DSL BroadbandDSL Broadband
•• Installed at 3 SitesInstalled at 3 Sites
•• Available in Most Urban AreasAvailable in Most Urban Areas
•• InexpensiveInexpensive
•• Requires Telephone Requires Telephone ““land lineland line”” (POTS)(POTS)
•• Not Generally Available in Rural AreasNot Generally Available in Rural Areas
•• ADSL ADSL –– Asynchronous Asynchronous
•• Faster Download (Inbound)/Slower Upload Faster Download (Inbound)/Slower Upload (Outbound)(Outbound)
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Fixed WIFIFixed WIFI
•• Installed at 2 SitesInstalled at 2 Sites
•• More Expensive than DSL and CellularMore Expensive than DSL and Cellular
•• Uses Radio Frequency (2.4 and 5.8 Uses Radio Frequency (2.4 and 5.8 GhzGhz))
•• FastFast
•• Requires Requires ““line of sightline of sight”” between site and between site and base stationbase station
•• Requires AntennaRequires Antenna
•• Does Not Require Does Not Require ““land lineland line””
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Fixed WIFI Panel and Dish AntennasFixed WIFI Panel and Dish Antennas
1’ X 1’3’ Diameter
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Fixed WIFI ConnectionFixed WIFI Connection
Inside the site enclosure: a simple Ethernet jack.
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Cellular WirelessCellular Wireless•• Works on CDMA 1x networks at slower speedsWorks on CDMA 1x networks at slower speeds
•• Will work on EVWill work on EV--DO network at higher speeds (available DO network at higher speeds (available now in bigger metropolitan areas. It is expected to be now in bigger metropolitan areas. It is expected to be expanded to our area soon)expanded to our area soon)
•• Portable from one site to anotherPortable from one site to another
•• Able to install external antenna (directional, high gain)Able to install external antenna (directional, high gain)
•• Does not require land lineDoes not require land line
•• Currently installed at one (1) site Currently installed at one (1) site
•• Modem more expensive. Monthly rates about the same Modem more expensive. Monthly rates about the same as DSLas DSL
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Cellular ModemCellular Modem
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Cellular WIFI AntennaCellular WIFI Antenna
Omni-Directional(Directional and Gain antennas are
available)
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Site Local Area Network (LAN)Site Local Area Network (LAN)
Ethernet 10/100 Mbs
switch Firewall/VPNAppliance
Cellular Modem
Device Server
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External Device ServerExternal Device ServerSerial to Ethernet (Serial to Ethernet (LantronixLantronix UDSUDS--10, UDS10, UDS--1100)1100)
•• Provides data accessibility and remote Provides data accessibility and remote management to legacy equipment not management to legacy equipment not currently network enabledcurrently network enabled
•• Uses existing software to take advantage Uses existing software to take advantage of Ethernet networking (i.e., Comport of Ethernet networking (i.e., Comport Redirector)Redirector)
•• Any equipment with a serial port can be Any equipment with a serial port can be added to the networkadded to the network
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External Device ServerExternal Device Server
Lantronix UDS-10 ethernet to serial
port device
Lantronix UDS-1100 ethernet to serial port device (newer)
Ethernet cable
Serial cable
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LantronixLantronix UDSUDS--10/1100 Device Server10/1100 Device Server
•• Serial TunnelingSerial Tunneling
–– Encapsulates serial data into packets and Encapsulates serial data into packets and
transports it over Ethernettransports it over Ethernet
•• Virtual serial connectionVirtual serial connection
–– Virtual serial connections can be extended Virtual serial connections can be extended
across a local network or around the world across a local network or around the world
over the Internetover the Internet
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`
DSL ModemFirewall/VPN
Appliance
10 U
3 U 8800
DAS (ATX)
Ethernet Network – Main Site
8 U8 U
8 U8 U
Servers`
``
` `
Firewall
Santa Barbara
County APCD
Main Office LAN
Monitoring Site
LAN
Virtual Private
Network (VPN)
Connection
Workstations
Legacy
Datalogger
3 U Legacy Equipment
Ethernet Network – Remote Site INTERNET
Virtual Serial
Connection via the
Network
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Remote Site NetworkingRemote Site Networking
•• Digital information available at the sitesDigital information available at the sites
–– Analyzers have serial ports and data storageAnalyzers have serial ports and data storage
–– Newer analyzers have Ethernet portNewer analyzers have Ethernet port
–– Computer workstations at the siteComputer workstations at the site
–– Electronic strip chartElectronic strip chart
–– Electronic record keepingElectronic record keeping
•• Can connect to office LANCan connect to office LAN
–– Check emailCheck email
–– Check records and documentsCheck records and documents
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Site Network Using Phone LineSite Network Using Phone Line
Black Box
RS232 Switch
Dialup
Modem
O3
Computer
Workstation Data Logger
CalibratorRS232
NOxRS232
PM2.5RS232
RS232
RS232
Phone Line
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Site Network Using BroadbandSite Network Using Broadband
Network Switch
DSL
Fixed WIFI
Cellular WIFI
O3
Firewall
Internet
Computer Data Logger
CalibratorDevice
Server
RS232
NOxRS232
PM2.5RS232
Ethernet
Device
Server
Device
Server
Site Local Area Network
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Virtual Serial Com PortVirtual Serial Com Port
Device Server
Analyzer Ethernet
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Remote Analyzer ConnectionRemote Analyzer Connection
Using HyperTerminalUsing HyperTerminal
Virtual Com PortVirtual Com Port TCP/IPTCP/IP
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Report from Remote AnalyzerReport from Remote Analyzer
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Instrument Supplied ApplicationsInstrument Supplied Applications
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Remote Desktop ConnectionRemote Desktop Connection
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Remote DesktopRemote Desktop
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Viewing Viewing StripchartStripchart
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Viewing Log NotesViewing Log Notes
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Connection to ESC 8832 usingConnection to ESC 8832 using
Web BrowserWeb Browser
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Simplify WiringSimplify Wiring
EthernetEthernetAnalogAnalog
Ethernet portEthernet port
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What We Can Do Remotely With What We Can Do Remotely With
BroadbandBroadband
•• Poll data loggersPoll data loggers
•• Remote desktop connectionRemote desktop connection
•• View remote strip chartView remote strip chart
•• View instrument dataView instrument data
•• Run diagnosticsRun diagnostics
•• Calibrate instrumentsCalibrate instruments
•• View remote documentationView remote documentation
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How Does it Help Us?How Does it Help Us?
Reduced car trips Reduced car trips = = Less pollutionLess pollution
== Reduced timeReduced time
== Cost savingsCost savings
More data More data == Faster responseFaster response
= = Less down timeLess down time
== Better data qualityBetter data quality
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What We CanWhat We Can’’t Do Remotelyt Do Remotely
•• Change sample filtersChange sample filters
•• Change PM10 filtersChange PM10 filters
•• Climb towersClimb towers
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Contact InformationContact Information
Bob Van BeverenBob Van Beveren
[email protected]@sbcapcd.org
Joel CordesJoel Cordes
[email protected]@sbcapcd.org