RAD Data Communications unveils G.SHDSL.bis platform

November 15, 2006 -- The company says its ASMi-54 modem implements EFM bonding protocols to deliver high rate bandwidth over copper lines.

Nov 15th, 2006

November 15, 2006 -- RAD Data Communications (www.rad.com) has introduced its ASMi-54 modem, which the company says incorporates G.SHDSL.bis technology to transmit up to 5.7 Mbit/sec of bandwidth point-to-point over each copper pair with EFM bonding, which enables each link to synch at a different rate. The modem may be ordered with two, four, and eight-wire options, yielding a total bandwidth of 22.8 Mbit/sec.

"EFM bonding ensures that a failure or addition of a link doesn't drop the traffic being transmitted over the other wires in the group, nor is the capacity of the group decreased when a new link is added at a lower rate," explains Meira Erez, product line manager at RAD. "This is particularly relevant for operators offering Ethernet services in the First Mile, where fiber is absent or impractical to install. The ASMi-54 G.SHDSL.bis modem is also appropriate for the rapidly growing number of utilities, transportation networks, and enterprises requiring this bandwidth niche for their own applications."

Most notably, says the company, the ASMi-54 offers a comprehensive variety of interface options, in contrast to competitive G.SHDSL.bis devices. Interface options include E1, T1, and serial ports such as V.35 and X.21, as well as one Ethernet port or four Ethernet ports with an integrated switch. "No other vendor offers this winning combination of multiple services, distance, high bandwidth, and symmetric data transmission in a compact, one box solution," contends Erez.

The ASMi-54 G.SHDSL.bis modem implements the IEEE's 802.1p and 802.1q standards to provide VLAN-tagging with four levels of prioritization, enabling carriers to offer differentiated Ethernet services. VLAN tagging can also be employed to separate traffic, ensuring transparency of the customer traffic and bolstering the security of management traffic.

Advanced remote management and DHCP-client support for plug-and-play installation facilitate configuration and can speed deployment of new Ethernet services. In addition, diagnostic tools for quick identification and isolation of TDM and Ethernet network problems reduce operational costs and system downtime, says the company.


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