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GENERAL DESCRIPTION

? The S/UNI-9953 is a single chip ATM, POS and 10 Gigabit Ethernet User Network Interface operating at 9953.28 Mbit/s and 10.3 Gbit/s. The S/UNI 9953 is intended for use in OC-192c and high-density OC-48c POS/ATM applications as well as 10 Gigabit Ethernet WAN and LAN PHY port cards.

FEATURES

? Provides WAN Interface Sub-layer (WIS), Physical Coding Sub-layer (PCS), and Media Access Controller (MAC) functionality for OC-192c rate 10 Gigabit Ethernet WAN PHY datastream.

? Provides PCS and MAC layer functionality for 10.3 Gbit/s 10 Gigabit Ethernet LAN PHY datastream.

? Supports framing, scrambling/ descrambling and pointer processing for the following:

? STS-192c (STM-64-64c).

? 4 x STS-48c (4 x STM-16-16c).

? STS-192 (STM-64) channelized down to STS-48c (STM-16c).

? Supports alarm signal insertion/detection, B1/2/3 processing and insertion/termination of SONET Section/Line/Path overhead bytes (or SDH equivalents).

? Provides ATM and POS payload processing for:

? STS-192c (STM-64-64c)

? 4 x STS-48c (4 x STM-16-16c).

? STS-192 (STM-64) channelized down to STS-48c (STM-16c).

GENERAL

? Provides internal FIFOs (16 KB ingress, 20 KB egress) to accommodate system latencies.

? Provides line-side and system-side loopbacks for system level diagnostic capability.

? Provides support for automatic protection switching (APS) via two 16- bit LVDS 777.76 MHz ports.

? Provides a generic 16-bit microprocessor bus interface for configuration, control, and status monitoring.

? Standard 5 signal P1149.1 JTAG test port.

? Low power 1.8 V CMOS core logic with 3.3 V CMOS/TTL compatible digital inputs and digital outputs.

? Industrial temperature range (-40 °C to +85 °C).

? 1152 pin FCBGA package.

APPLICATIONS

? Edge and Core Routers.

? Multi-Service (Multi-Protocol) Switches.

? Internet POP and Transport POP L2 Ethernet Switches.

? SONET/SDH add/drop multiplexers and optical cross-connects.

? WAN and Edge ATM switches.

? Up-link cards.

? SONET/SDH ATM/POS and 10 Gigabit Ethernet test equipment.

? Emerging DPT, IPT, and GFP applications.