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PM8621 NSE-8G™ 8G Narrowband Switch Element

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Version Issue Date

Product Brief

PDF8G Narrowband Switch Element Short Form Data Sheet [145 kB] PMC-2010842 4  2001-08-09 

Data Sheet

Locked Document, Log In RequiredPDFNSE-8G ASSP Telecom Standard Product Data Sheet [1.04 MB] PMC-2010850 2  2002-07-24 

Application Note

Locked Document, Log In RequiredPDFKnowledge Base Items for the PM8621 NSE-8G [452 kB] PMC-2020409   2004-07-05 
Locked Document, Log In RequiredPDFCHESS J0/C1 Synchronization and Clock/Frame Pulse Distribution Application Note [415 kB] PMC-2020559 1  2002-11-21 

Errata

Locked Document, Log In RequiredPDFNSE 8G Device Errata [59 KB] PMC-2021682 3  2004-11-03 

Software Documentation

Locked Document, Log In RequiredPDFNSE/SBS Narrowband Chipset Driver User's Manual [1.25 MB] PMC-2021248 1  2002-09-19 
Locked Document, Log In RequiredPDFNSE Device Driver Manual [763 kB] PMC-2010053 2  2002-08-15 

Software

Locked Document, Log In RequiredPDFCHESS-Narrowband Chipset Driver [621 kB] PMC-2021239 beta 1.0  2002-09-18 
Locked Document, Log In RequiredPDFNSE-20G and NSE-8G Device Driver [149 kB] PMC-2012383 rel 1.0  2002-08-15 

Technical Overview

Locked Document, Log In RequiredPDFCHESS Narrowband Chip Set Technical Overview [1.30 MB] PMC-2010865 1  2002-08-01 

Features

OVERVIEW

The PM8621 NSE 8G is a monolithic CMOS integrated circuit that performs DS0 and above granularity Space (cross bar) switching on 12 full duplex STS-12 streams.

This device provides 7.5 Gbit/s (96,768 DS0s, 4,032 T1s/VT1.5s, 3,024 E1s/VT2s, 144 DS3s/E3s) switching.

The NSE 8G can be combined in applications with the PM5372 TSE and the PM5310 TBS devices from the PMC-Sierra CHESS product family and with the PM8621 SBS and the PM8611 SBSLITE.

FEATURES

  • Supports 12 STS-12 equivalent serial ports via 777.6 MHz, 8B/10B encoded LVDS links. Each port can be either Serial TelecomBus or Serial SBI336S.
  • In SBI mode, switches DS0 or NxDS0 for all T1 and E1 tributaries and aggregate columns for switching T1, E1, VT1.5, VT2, DS3 and E3 tributaries.
  • The NSE 8G can be used with the companion SBS devices to implement a switch fabric scaleable to 7.5 Gbit/s.
  • In TelecomBus, switches VT1.5, VT2 or STS-1 tributaries.
  • Supports switching of arbitrary non-standard octet aggregates.
  • Supports unicast, multicast, and broadcast for all switching modes.
  • Supports full-duplex, in-band communication channels from the NSE to each SBS or SBSLITE device. These channels can be used to initialize and control the SBS's for fabric monitoring and maintenance.
  • Supports "1+1" or "1:n" fabric redundancy in conjunction with the SBS or SBSLITE.
  • Supports two sets of switch settings and a controlled method of changing settings on STS-12 frame boundaries.

PHYSICAL CHARACTERISTICS

  • Supports an IEEE P1149.1 JTAG test port.
  • Provides a 32-bit microprocessor bus interface for configuration, control and status monitoring.
  • Low power 1.8 V / 3.3 V 0.18 µm CMOS technology.
  • Available in a high density 480-ball 35x35 mm UBGA.
  • -40 °C to +85 °C Industrial Temperature Operation.

Applications

  • T1/E1 SONET/SDH Cross-connects.
  • T1/E1 SONET/SDH Add-Drop Multiplexers.
  • OC-48 Multiservice Access Multiplexers.
  • Channelized OC-12/OC-48 Any Service Any Port Switches.
  • Voice Gateways.
 
 
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