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DOCSIS

J:COM Spreads the Wealth

Comcast Corp. (Nasdaq: CMCSA, CMCSK) may have entered the "wideband" era last week with the launch of a 50 Mbit/s service in the Twin Cities, but it's Jupiter Telecommunications Co. Ltd. (J:COM) , the largest cable MSO in Japan, that continues to push the needle beyond the 100 Mbit/s mark. (See Comcast Enters the Wideband Era .)

Earlier today, J:COM announced the selection of modems and cable modem termination systems (CMTSs) from Motorola Inc. (NYSE: MOT) for deployment of a Docsis 3.0-based platform capable of delivering up to 160 Mbit/s (downstream) to residential and commercial subscribers. (See J:COM Bonds With Motorola.)

J:COM, which is facing fierce competition from DSL and fiber-to-the-premises (FTTP) service providers, will use Motorola's BSR 64000 CMTS and SURFboard SB6120. Neither product has been stamped by CableLabs yet, but Motorola has already confirmed that its CMTS is going for "Bronze" qualification in Wave 58, which is already underway. (See Motorola CMTS Going for the Bronze .) Motorola submitted the SB6120, a modem powered by Texas Instruments Inc. (NYSE: TXN) silicon, in Wave 56 but did not come away with certification. The first certified Docsis 3.0 modems, including the SB6120, could emerge by mid-May. (See Docsis 3.0 Testing Skips a Beat .) Motorola announced a trio of home-side Docsis 3.0-based gear in February. (See Moto Calls Up Wideband CPEs .)

Considering the competition J:COM is facing in Japan, it's no surprise that it's making a more signficant wideband push. Motorola is claiming the deal marks J:COM's "first commercial Docsis 3.0 deployment using channel bonding technology."

It may mark J:COM's first deployment for a system completely based on the Docsis 3.0 platform, but it's not the first time the operator has given channel bonding a go.

Last year, J:COM tapped equipment from Arris Group Inc. (Nasdaq: ARRS) to support a wideband service in the Kansai region based on pre-Docsis 3.0 technology. That tier, dubbed J:COM Net Highgrade, offers up to 160 Mbit/s downstream and bursts of 10 Mbit/s in the upstream. (See Japanese MSO Moves 160 Mbit/s.)

— Jeff Baumgartner, Site Editor, Cable Digital News

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