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C ITY OF L YNNWOOD Wireless Communication in the ITS network Dick Adams, PE, PTOE.

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CITY OF LYNNWOOD Wireless Communication in the ITS network Dick Adams, PE, PTOE
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CITY OF LYNNWOODWireless Communication in the ITS network

Dick Adams, PE, PTOE

WIRELESS COMMUNICATIONFIBER NETWORK

WIRELESS COMMUNICATION HOW WIRELESS FITS IN

Fiber network is 95% installedNeeded Temporary connectionMost critical equipment is IP

basedNeed High ThroughputCost effectiveEase of installation and

configuration

WIRELESS COMMUNICATION THE DESIGN OF WIRELESS

Researched 6 different manufacturers

Wanted Point 2 PointEncryption Ethernet BridgePTZ standard is NTSC, needed to

covert to IP or purchase new PTZ

WIRELESS COMMUNICATION MAKING THE CHOICE

Maxstream Xpress Ethernet BridgeThroughput : 15 MbpsInterference possible on the 900 Mhz$390 per pair of modems

Needed in house Design for AntennasYagi antennas - 40 miles Line of SightLow Loss cable with 50 Ohm impedance

Paul Coffelt, PE - ITS Engineer

WIRELESS COMMUNICATION MAXSTREAM

WIRELESS COMMUNICATION FIELD DEVICES

WIRELESS COMMUNICATION ENCODERS - DECODERS

Convert NTSC to MPEGOr Motion JPEG

IP addressableWeb based IP programmingSingle or 4 video signal versionsEthernet with Serial port for controlUp to 30 fps possibleWith Wireless we use 3 fps per channel

WIRELESS COMMUNICATION AXIS SCREEN CAPTURE

WIRELESS COMMUNICATION LOCATION OF BRIDGE

2600 ft

WIRELESS COMMUNICATION CENTRAL IP NETWORK

Fiber

Mode

m

Servers

Web Browser

Managed Switch

3 X 48 ports

AXIS Decoder

Video Matrix Switch

To the Field

Monitors

NTSC

NTSC

WIRELESS COMMUNICATION FIELD LOCATIONS IP NETWORK

Fiber Mode

m

Ethernet Switch

AC/DC

Maxstream

Ethernet Switch

AC/DC

Maxstream

AXIS Decoder

PTZ

Bri

dge

To Central

NTSC

Controller

Video Detectio

n

Power over Ethernet

Power over Ethernet

WIRELESS COMMUNICATION QUESTIONS?

Thank You

Dick Adams, PE, [email protected] Coffelt, [email protected]


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