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Cable modem/CMTS

Zoom Grooms D3 Modem for Retail

Zoom Telephonics has broken through the Docsis 3.0 barrier with a newly CableLabs -certified modem that the company intends to sell at retail and directly to MSOs.

Zoom, the only vendor (so far) to come through Certification Wave 73 with a passing grade, got the stamp for its "5341" model, a standalone wideband cable modem. Powered by Texas Instruments Inc. (NYSE: TXN) silicon, Zoom's first Docsis 3.0 modem can bond four downstream and four upstream channels -- the baseline configuration required by Docsis 3.0 specs. Some recently certified modem models based on TI and Broadcom Corp. (Nasdaq: BRCM) silicon can bond up to eight 6MHz-wide channels, enough to pump out bursts of 320 Mbit/s. (See Broadcom Breaks Docsis 3.0 Barrier and TI's Wideband Breakthrough.)

Zooming To Retail

Zoom hopes to sell the model to MSOs directly, but it also expects to hawk it at retail now that it has the CableLabs OK to do so. Zoom spokesman Terry Manning notes that the company already sells Docsis 2.0 modems at Best Buy, Staples, Fry's Electronics, and Micro Center stores. The new Docsis 3.0 modem is expected to start shipping by the end of April, he says.

Zoom is also the latest vendor to sell Docsis 3.0 modems at retail to customers who'd rather buy the gear on their own and sidestep MSO lease fees. Motorola Inc. (NYSE: MOT), the first to do so, started selling wideband modems at Fry's almost a year ago. At last check, Fry's is selling Moto's SB6120 SURFboard Docsis 3.0 modem for $99.97. DSL Reports notes that Amazon.com Inc. (Nasdaq: AMZN) is selling it for $85.90. MSOs such as Liberty Global Inc. (Nasdaq: LBTY), meanwhile, can buy standalone Docsis 3.0 modems in bulk for about $50 per unit these days. (See For Sale: Wideband Gear and Liberty Exec Details D3's 'Sweet' Economics.)

Zoom hasn't disclosed a retail price for its wideband product, but Manning believes it will be in the sub-$100 range.

Boston-based Zoom also makes VoIP gateways, DSL and dialup modems, and Bluetooth gear under the Zoom, Hayes, and Global Village brands.

With Zoom breaking through, here's an updated list of CableLabs-certified/qualified Docsis 3.0 modems and cable modem termination systems (CMTSs):

Table 1: Docsis 3.0-Certified Modems, E-MTAs & Gateways
Vendor Product Silicon partner Cert wave approved
Arris Touchstone 702G (E-MTA) TI 58, 59*, 63**, 67****
Arris WBM750A TI 59, 63**, 67****
CastleNet CBC381 Broadcom 71
Cisco DPC3000 TI 58, 63**, 65***
Cisco DPQ3202 TI 60, 63**
Cisco DPC3010 Broadcom 65
Cisco DPQ3212 N/A 70
D-Link DCM-301 N/A 70
Hitron BRG-35503 TI 61, 63**
Juniper ECM3100-JU N/A 70
Motorola SB6120 TI 58, 63**, 67****
Motorola SBV6220 TI 58, 59*, 63**
Motorola SBV6120 TI 68
Motorola SB6180 Broadcom 70
Motorola SBG6580 N/A 71
Netgear CMD31T TI 60, 63**, 65***
Netgear CVD31XT TI 64
Netgear CG3000 Broadcom 70
Netgear CG3200D N/A 71
Netgear CMD31B Broadcom 71
Netgear CVD31XB Broadcom 72
Orient Telecom ORT3100 TI 64
SerComm FM301T TI 63
SMC SMCD3CM TI 58, 63**, 65***
SMC SMCD3G-BIZ TI 64, 67****
SMC SMCD3USG (E-MTA) N/A 71
SMC SMCD3GN2 (gateway) TI 72
Thomson/Technicolor DCM475 Broadcom 65
Thomson/Technicolor DHG575 Broadcom 65
Thomson/Technicolor DCW775 Broadcom 70
Thomson/Technicolor DWG875 Broadcom 72
Ubee Interactive U10C035 TI 58, 63**, 65***
Ubee Interactive DDW3600 TI 67
Ubee Interactive DDM3500 Broadcom 65
Ubee Interactive DVM3200 (E-MTA) Broadcom 65
Ubee Interactive DDW3610 Broadcom 70
Ubee Interactive DVW3200 (E-MTA) Broadcom 71
Zoom Telephonics 5341 TI 73
* Device re-certified for Docsis 3.0 and obtained initial PacketCable 1.5 certification in Wave 59
** Device re-certified for Docsis 3.0 in Wave 63
*** Device re-certified for Docsis 3.0 in Wave 65
**** Device re-certified for Docsis 3.0 in Wave 67
Source: CableLabs, the companies, and Light Reading Cable research




Table 2: Docsis 3.0-Qualified CMTSs
Vendor Product Wave qualified Highest level of 3.0 qualification achieved*
Arris C4 CMTS 56 Bronze
Casa Systems C2200 CMTS** 58 Full
Casa Systems C3200 CMTS 58 Full
Casa Systems C10200 64 Full
Cisco uBR10012 56 Bronze
Motorola BSR64000 58 Bronze
* CableLabs currently uses a tiered CMTS qualification system, awarding "Bronze," "Silver," and "Full" designations based on the product's supported features.
** Casa's C2200 CMTS won Silver qualification in Wave 56.
Source: The companies, CableLabs, and Light Reading Cable research




— Jeff Baumgartner, Site Editor, Light Reading Cable

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