| Ericsson positions for FTTN deal |
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| by Stephen Withers | |
| Tuesday, 08 May 2007 | |
  
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Ericsson demonstrated a suitcase-sized cabinet containing a optical network terminal (ONT), a pair of 12-line VDSL DSLAMs (each about the size of a home router) and associated equipment. As a complex cooling system is not needed (despite a temperature range of -40 to 75 Celsius), Ericsson's approach is cheaper than comparable but fridge-sized products from other vendors, claimed strategic product manager for networks Colin Goodwin. The possibility of using heat pipes instead of fans for cooling would mean such a node would be quiet enough to mount on the side of an apartment building. A fibre rollout could be as cheap as installing aerial cables, thanks to the combination of blown fibre (fibres are blown into ducts by compressed air rather than pulling them through mechanically) and new slot trenching equipment that can lay around 1km of duct along a road in a day. Ericsson demonstrated multiple services operating over a mini GPN/VDSL2 network, including HD TV, voice telephony, and Internet access to a pair of PCs. The DSLAM included Quality of Service capability, and the demo showed non time-critical data being throttled to allow video traffic to flow at the required speed. Any FTTN projects should include plans for FTTH, said Goodwin. "Eventually, FTTH will replace the last bits of copper." Taking fibre to the premises can be achieved by directional drilling, Goodwin said, adding that this is no more expensive than installing new copper. Interest is being shown in Ericsson's offerings by Australian carriers and ISPs, Goodwin claimed.{moscomment} |
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