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Fiber Optical 10G Transceivers
November 16, 2010There are two classifications for optical fiber: single-mode fiber(SMF) and multi-mode fiber(MMF). In SMF light follows a single path through the fiber while in MMF it takes multiple paths resulting in differential mode delay (DMD). SMF is used for long distance communication and MMF is used for distances of less than 300 m. SMF has a narrower core which requires a more precise termination and connection method. MMF has a wider core (50 or 62.5 µm). The advantage of MMF is that it can be driven by lower cost VCSEL lasers for short distances, and multimode connectors are cheaper and easier to terminate reliably in the field. Its disadvantage is that due to DMD it can work only over short distances. To distinguish SMF from MMF cables, SMF cables are usually yellow, while MMF cables are orange (OM1 & OM2) or aqua (OM3 & OM4).
SFPlus Transceiver Releases Its Own Blog Today
November 15, 2010SFPlus Transceiver Releases Its Own Blog Today.
Please visit http://blog.sfplustransceiver.com
It will updated daily.
Enablence Adds 10G Switch
November 14, 2010Enablence Technologies Inc., a leading supplier of fiber-to-the-home (FTTH) equipment for triple-play residential and business services and optical components and subsystems for access, metro and long-haul markets, has released a new 10GigE IPswitch and transmission module for its Multi Services Access Gateway (MSAG) platforms that allows service providers to upgrade their access networks to 10 Gbps. The new IP switch module allows service providers and network operators using Enablence’s BroadAccess- 1000E and 300E MSAG platforms to easily and economically upgrade their existing network architecture to 10G. Operators gain increased bandwidth capacity to handle the traffic demands created by the adoption of multiservice packages that include ultra-fast Internet, HD/IP TV and advanced voice.
Alcatel-Lucent was Selected by Venezuela's CANTV
November 14, 2010Alcatel-Lucent today announced that it has been selected by Compania Anonima Nacional Telefonos de Venezuela (CANTV), the leading Venezuelan telecommunications provider, as the major supplier for its national fiber optic network expansion project. The network is part of a countrywide infrastructure development plan that will dramatically expand Venezuela's broadband capacity and ensure nationwide access to high-speed Internet, voice, video and data services.
Easy-To-Use Handheld Optical Light Source Introduced
November 14, 2010This handheld optical light source is specially designed for optical fiber networks and is ideal for the maintenance of telecommunications and CATV systems.
Verizon to deploy 100 Gigabit Ethernet
November 13, 2010Verizon (NYSE, Nasdaq: VZ) says it will add 100 Gigabit Ethernet capabilities to its Paris-to-Frankfurt route before the end of the year. This is the same route on which it deployed 100-Gbps technology from Nortel (now owned by Ciena) late last year (see “Nortel unveils commercially available 100G optical system”).
