Wednesday, February 2, 2005

Fujitsu Announces Hybrid Ethernet and Metro ADM Chip

Fujitsu Microelectronics Europe (FME) introduced its ETHOS (ETHernet Over SDH/SONET) device for delivering full-rate Gigabit Ethernet and E1/DS1 access in metro and access networks. The device, which was designed in collaboration with AimCom, is a fully integrated, single chip, add-drop multiplexer. Four line ports at STM-4/OC-12 or STM-1/OC-3 are provided, each supporting direct connection to SFP modules. There are 4 E1/DS1 ports, and 4 Ethernet or Gigabit Ethernet ports on the access side, as well as higher & lower order cross-connect fabrics and a Telecom bus for port expansion. Ethernet frames are mapped via GFP, LAPS, or PPP, Virtual Concatenation and low latency LCAS.

The advanced feature set further includes an integrated system timing generator, Ethernet flow control, support for Jumbo frames, TCP friendly rate controllers for fine grained bandwidth assignment, and packet insertion and extraction for next generation carrier class Ethernet applications. The device is designed in Fujitsu's 0.18 micron process. The first certified samples of ETHOS have been shipped to customers for development and system testing.

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