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PM5392 S/UNI®-9953-POS
SATURN® User Network Interface for 9.953 Gbit/s
GENERAL DESCRIPTION
• The S/UNI-9953-POS is a single chip ATM, POS User-Network Interface operating at 9953.28 Mbit/s. The S/UNI 9953-POS is intended for use in OC192c and high-density OC-48c POS/ATM applications. • 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). • Implements the Point-to-Point Protocol (PPP) over SONET/SDH specification according to RFC 2615(1619)/1662 of the PPP Working Group of the Internet Engineering Task Force (IETF).
GENERAL
• Provides internal FIFOs (16 KB ingress, 20 KB egress) to accommodate system latencies.