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ZL50130 Datasheet(PDF) 7 Page - Zarlink Semiconductor Inc |
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ZL50130 Datasheet(HTML) 7 Page - Zarlink Semiconductor Inc |
7 / 60 page ZL50130 Data Sheet 7 Zarlink Semiconductor Inc. 1.0 Changes Summary The following table captures the changes from the September 2004 issue. 2.0 Introduction 2.1 Overview The ZL50130 provides the data-plane processing to enable layer 2 Ethernet service to be extended over a packet switched network, such as an IP or MPLS system. The device encapsulates the Ethernet frames into IP or MPLS packets, and forwards them into the packet network for re-construction at the far end. This has a number of applications, including layer 2 VPNs (Virtual Private Networks). Figure 3 - ZL50130 Operation The ZL50130 is capable of wire speed processing and forwarding of packets, and includes support for the “Martini-style” layer 2 pseudo-wire protocols currently in development by the IETF’s PWE3 (Pseudo-Wire Edge-to-Edge Emulation) working group (draft-ietf-pwe3-ethernet-encap). Page Item Change 10, 11 Figure 5 and Ball Signal Assignment Table Corrected Mx_LINKUP_LED pin assigment. 41 8.0 DC Characteristics Table and Output Levels Table Added Electrical Characteristics to differentiate between 3.3 V and 5 V tolerant pins. 38 Section 4.8 Added Internal Connection (IC) table. 10 Figure 5 Changed PULL_HI and PULL_LO pins to ICC_VDD_IO and IC_GND. Transparent data flow between customer LANs (layer 2 VPN service) Service provider’s packet switched network Ethernet Service ZL50130 Ethernet Pseudo-Wire device interworking function ZL50130 Ethernet Pseudo-Wire device interworking function Ethernet Service Customer LAN Customer LAN |
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