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Free-space optical wireless network in Dumas
December 27, 2010Optical wireless technology vendor SKYFIBER says the City of Dumas, TX, has chosen its free-space optical systems to expand the broadband connectivity of such city institutions as the city hall, fire station, and police station. The new network will support 100-Mbps connections, expanding usable bandwidth by almost 100 times.
GigOptix, CIVCOM receive BIRD Foundation Grant for 40-Gbps optical transponder
December 27, 2010GigOptix, Inc. (OTCBB: GGOX) and CIVCOM Devices and Systems Ltd. say they were awarded a US-Israel Bi-national Industrial Research & Development (BIRD) Foundation grant to develop low-power, highly integrated components and modules for 40-Gbps and 100-Gbps communication systems.
Fibre-optic expansion in Basel: IWB and Swisscom sign cooperation agreement
December 18, 2010Around eight months ago, Swisscom and IWB agreed to work together to expand the fibre-optic network in the city of Basel and signed a preliminary agreement to this end. Now, Carsten Schloter, CEO of Swisscom, and Dr David Thiel, Chairman of the Executive Board of IWB, have signed the final agreement Swisscom and IWB will connect all Basel households and businesses to the ultra high-speed fibre-optics network by the end of 2017. Of the total investments of around CHF 170 million, Swisscom will assume 60% and IWB 40%. A decision is expected to by the cantonal council of Basel city by the beginning of 2011.
Transmode adds 80G Ethernet muxponder to native packet optical line
December 18, 2010Transmode has introduced the EMXP II 80, an 8x10G Layer 2 Ethernet muxponder, as part of its Native Packet Optical portfolio to further address applications such as Ethernet aggregation, mobile backhaul, video distribution, and business Ethernet services.
10GBASE-ER
December 18, 2010
10GBASE-ER ("extended reach") uses the IEEE 802.3 Clause 49 64B/66B Physical Coding Sublayer (PCS) and 1550 nm lasers. It delivers serialized data over single-mode fiber at a line rate of 10.3125 Gbit/s.
10GBASE-ER has a reach of 40 kilometres (25 mi).
10GBASE-ZR
December 18, 2010
Several manufacturers have introduced 80 km (50 mi) range ER pluggable interfaces under the name 10GBASE-ZR. This 80 km PHY is not specified within the IEEE 802.3ae standard and manufacturers have created their own specifications based upon the 80 km PHY described in the OC-192/STM-64 SDH/SONET specifications.
The 802.3 standard will not be amended to cover the ZR PHY.
