1. UCAR Wireless WAN Update for NCAB John Hernandez Jeff Custard 17-Oct-2007

2. Outline What is it? What is it? What do we use it for? What do we use it for? Wireless basics Wireless basics Review of each UCAR wireless link Review of each UCAR wireless link Questions? Questions?

3. What is it? Fixed wireless, point-to-point Fixed wireless, point-to-point Ethernet bridging Ethernet bridging Local to regional scale Local to regional scale 10 miles10 miles Up to 1 Gb/sec full duplex Up to 1 Gb/sec full duplex Average 99.95% reliability Average 99.95% reliability

4. What do we use it for? Connecting off-the-grid places (MFS) Connecting off-the-grid places (MFS) Backup connections (ML) Backup connections (ML) Protection from fiber cutsProtection from fiber cuts Business continuityBusiness continuity IP voice and data IP voice and data

5. Basics: Radio Frequency (RF) Microwave RF of note for us: Microwave RF of note for us: 2.4GHz unlicensed (ML-MFS)2.4GHz unlicensed (ML-MFS) 5.3/5.8GHz unlicensed (ML-JC)5.3/5.8GHz unlicensed (ML-JC) 23GHz licensed (ML-MFS)23GHz licensed (ML-MFS) 80Ghz (EHF) licensed (ML-FL)80Ghz (EHF) licensed (ML-FL) Unlicensed is increasingly crowded Unlicensed is increasingly crowded ML-FL replaced due to interferenceML-FL replaced due to interference

6. Basics: Considerations Clear line of sight Clear line of sight Antenna type (size, gain characteristics, etc.) Antenna type (size, gain characteristics, etc.) Cabling and power Cabling and power Interference Interference Antenna alignment, fine tuning Antenna alignment, fine tuning Transmit power levels Transmit power levels Weatherproofing, lightning protection Weatherproofing, lightning protection Precipitation (link budget calculations) Precipitation (link budget calculations) Uptime acceptability numbers (calculated estimates) Uptime acceptability numbers (calculated estimates)

7. Review of each WWAN link Mesa Lab (ML) to Marshall Field Site (MFS) Mesa Lab (ML) to Marshall Field Site (MFS) Mesa Lab (ML) to Jefferson County (JC) Airport facility Mesa Lab (ML) to Jefferson County (JC) Airport facility Mesa Lab (ML) to Foothills Lab (FL) Mesa Lab (ML) to Foothills Lab (FL)

8. ML-MFS

9. ML-MFS Primary 50Mbps link: licensed DragonWave 23GHz (23.475 / 22.275GHz using “AirPair 50” radios with 2’ RadioWaves antennas) Primary 50Mbps link: licensed DragonWave 23GHz (23.475 / 22.275GHz using “AirPair 50” radios with 2’ RadioWaves antennas) Backup WWAN link: 802.11b link 11Mbps (Cisco 350 series bridges; 2’ Antennas) Backup WWAN link: 802.11b link 11Mbps (Cisco 350 series bridges; 2’ Antennas) Final fall-back link: T1 from Qwest/C-Com Final fall-back link: T1 from Qwest/C-Com Primary for VoIPPrimary for VoIP

10. ML-JC

11. ML-Jeffco Proxim (now TeraBeam) Tsunami GX90 Proxim (now TeraBeam) Tsunami GX90 Backup for primary Jeffco fiber connectionBackup for primary Jeffco fiber connection Full-duplex 45MbpsFull-duplex 45Mbps 5.745 / 5.83 GHz5.745 / 5.83 GHz Andrew antennas (3 Foot Parabolic)Andrew antennas (3 Foot Parabolic)

12. ML-FL

13. ML-FL BridgeWave AR80X BridgeWave AR80X Recently replaced unlicensed Proxim systemRecently replaced unlicensed Proxim system Backs up ML fiber connectionBacks up ML fiber connection 1 Gbps full duplex1 Gbps full duplex Andrew antennas (2’ Parabolic Dual Polarized)Andrew antennas (2’ Parabolic Dual Polarized) Also provides backup for NOAAAlso provides backup for NOAA

15. References Project pages on the NETS web Project pages on the NETS web MFSMFSMFS ML-FLML-FLML-FL ML-JCML-JCML-JC Data/spec sheets from vendors for radios and antennas Data/spec sheets from vendors for radios and antennas