May 19, 1997 12:00 PM,

Motorola chipsters add ATM support

BETH SNYDER, Switching & Transmission Editor

Networking companies want their ATM, so Motorola's Networking and Communications Operations chip makers are obliging.

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Motorola this week plans to introduce the MPC860SAR, which adds asynchronous transfer mode segmentation and reassembly functionality to the MPC860 family's protocol suite. The new chip is targeted at digital subscriber line, telecom, multimedia and internetworking ATM usage.

Several DSL vendors are sampling the chip, including Sourcecom, said Ferenc Koplyay, Motorola marketing product manager for the 850 and 860SAR families. Full 155 Mb/s ATM and fast Ethernet capabilities will be integrated next year, he said.

The MPC860SAR will first be integrated with Motorola's CopperGold ADSL chip, but it could also be integrated with other discrete multitone modulation equipment.

Motorola also plans to announce the first two members of its MPC850 family this week, the MPC850 and MPC850SE. The two simpler and smaller chips reduce cost by optimizing specific features for manufacturers with lower level needs. The MPC850s could be used by Ethernet switch makers and cable modem makers who only need one Ethernet serial channel and one smaller processor, Koplyay said. By the end of the year, Motorola plans to target the ADSL market, he said.

The MPC860SAR will be available in 25, 40 and 50 MHz versions and will be in volume shipment by the beginning of the third quarter. Sample chips are expected to be available in the second quarter.

MULTIPLE PERSONALITIES Digital Link rolled out its new DL7100 multiservice asynchronous transfer mode concentrator that multiplexes and switches voice, data, video, low-speed cell and frame relay for ATM transmission. The DL7100 supports up to 36 DS-1s and four DS-3s.

DOMINICAN REPUBLIC GETS NAP CAIS Internet, a division of CGX Communications, and GTE Codetel will host an Internet summit this week in preparation for setting up the first Latin American network access point in the Dominican Republic. The NAP will be called the Latin Internet Exchange.