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Products Unlicensed Radio 5.2/5.8 GHz Stratum 20 Full-duplex 20 Mbps Plus 2 x T1

Stratum™ 20strat100_lrg

Broadband Wireless Transport for Ethernet and T1
Wavespan introduces Stratum 20, a wireless broadband solution intended to meet the broadband connectivity needs of Small to Medium Enterprise Networks. With the increase in bandwidth hungry applications such as Corporate Intranets, access to centralized server farms, real-time imaging, even broadband Internet access, small and medium businesses need solutions designed specifically to meet their needs. Stratum 20 delivers broadband connectivity with 20 Mbps full duplex IP/Ethernet transport as well as connectivity for two T1 streams for voice or other legacy T1 applications.      

Key Features

  • Unlicensed U-NII band operation allows fast deployment and is immune to rain fades          
  • Fiber class performance          
  • Full duplex 20 Mbps LAN bridging - highest capacity available in its class          
  • Dual T1 transport for TDM voice and data traffic without impact to LAN performance®          
  • Fully SNMP managed using Industry Standard Platforms such as HP OpenView® 

Product Overview 
Wavespan's Stratum 20 is the first mid-range product operating in the U-NII bands to merge high capacity voice and data with ease of installation and operation. Stratum 20 incorporates a MAC layer Ethernet bridge for high capacity bridging of all Ethernet traffic types, including IP and Voice over IP. With auto-sense for 10/100 Ethernet, full or half duplex LAN support combined with 802.1d subset, Stratum 20 requires very little in the way of initial configuration. In addition to the 20 Mbps full duplex bridging capabilities, Stratum 20 includes two DSX-1 interfaces for transport of voice between digital PBXs or other T1 traffic. The DSX-1 interfaces operate equally well for channelized or unchannelized T1 applications.  

Operating at distances up to 5 miles, Stratum 20 far outperforms ISM band radios and Infrared devices. And Stratum 20 is easily managed using SNMP or the native HTML Graphical User Interface.  

Rapid Deployment
Wavespan's Stratum 20 operates in the newly allocated U-NII bands, with no FCC licensing requirements. The Unlicensed National Information Infrastructure (U-NII) bands were created specifically to offer new methods of point-to-point broadband communications within metropolitan areas. Unlicensed band operation removes the waiting time involved with frequency coordination and license approval. Stratum 20 can be deployed immediately in contrast with up to six weeks delay for deployment of licensed band products. Additionally, if your needs change, Stratum 20 links can be relocated without applying for license changes. 

Stratum 20 links use flat panel phased-array antennas. The small size (18" x 18" x 3/4") of the antenna and lightweight of the Outdoor Unit allow most installations to use a simple tripod mount, with no expensive installations of towers required. 

Fiber Class Performance
For years, fiber has been the performance standard for communications media. Today, Wavespan brings the outstanding performance of fiber to wireless communications. Stratum 20 employs Reed-Solomon (t=8) Forward Error Correction, so powerful that it can correct up to 8 bytes, or 64 bits, of errors in a single block. Combined with excellent SNR performance, Stratum 20 links offer performance exceeding BERs = 10-12, far better than copper based services and equal to that of fiber.   

Because Stratum 20 operates in the 5 GHz U-NII bands, rain, fog and other weather conditions do not adversely affect operation. Operation in the 5 GHz bands also allows Stratum 20 to operate at greater distances than similar equipment operating at higher frequency, licensed bands. 

20 + 3 Mbps Full Duplex Throughput 
Stratum 20 delivers 20 Mbps full duplex throughput for transport of Ethernet traffic, so the communication link is no longer the bottleneck in the network. Two to ten times faster than traditional wireless Ethernet Bridges, Stratum 20 is ideal for applications requiring broadband throughput, but where cost doesn't justify unneeded extra bandwidth.    

In addition to the 20 Mbps for LAN traffic, Stratum 20 incorporates two DSX-1 interfaces for point-to-point transport of T1 traffic such as digital voice. Each T1 operates at full speed and does not share bandwidth with the LAN traffic, so all data streams receive the maximum throughput with the lowest latency. Stratum 20's broadband capabilities make it the ideal choice for bandwidth hungry applications like Multi-Megabit Internet Access, Voice-over-IP and real-time video and imaging.  

Installation, Maintenance, Management and Monitoring   

Designed for installation and maintenance by IT professionals, one or two people can install a Stratum 20 link in a matter of hours. Antenna aiming is accomplished without the use of costly test equipment and no special training is required for mounting or configuration.  

Stratum 20 requires no maintenance or calibration for the life of the product. In fact, once the radio and antenna are installed, you can virtually forget them. Even software upgrades to the Outdoor Unit are downloaded from the Indoor Unit via the IDU-ODU fiber interface.  

Day to day monitoring can be accomplished using SNMP or TELNET, manageable from any standard SNMP manager such as OpenView or SunNet Manager. Industry standard MIB II and a Wavespan Enterprise MIB allow full access to parameters for SNMP management. Stratum 20 can send traps to multiple hosts to ensure operators of up to the minute statuses.  

When using the integrated menu driven configuration and management screens, both ends of the link are accessible from the main screen. This allows the operator to compare configurations at a glance and to access packet and radio statistics from a single interface. An integrated HTML GUI interface is also standard, allowing password protected access from standard web browsers.  

Summary
Stratum 20 is the first product in the unlicensed bands to offer 100 Mbps Ethernet transport which, when coupled with the dual DSX-1 inputs, allows it to serve both data and voice applications with industry standard interfaces. Combining ease of installation and management, Stratum 20 lets users enjoy the advantages of high capacity, high performance broadband communications without the high recurring costs of traditional broadband circuits.