VSC8487YJU

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VSC8487YJU is a telecommunication device, which is widely used in many communication applications. It has become a vital part of the basic infrastructure for most telecom networks. The VSC8487YJU is designed for Ethernet, fiber optic, and ATM (Asynchronous Transfer Mode) networks.

The VSC8487YJU is a high-performance, single-chip Ethernet/ATM transceiver suitable for multimedia applications. It combines media access control (MAC) and data link functions for Ethernet and ATM networks. The device operates at speeds from 100 Mbps to 400 Mbps. It contains four independent LAN ports, two full-duplex and two half-duplex. It has a programmable packet size up to 1536 bytes and supports broadcast, multicast, and unicast frames.

The VSC8487YJU contains an Ethernet MAC unit that uses Medium Access Control (MAC) and physical (PHY) technology. It provides media access control functions such as segmentation, encapsulation, and channelization. It supports Ethernet and ATM standards such as 802.3, 802.5, 802.1Q, and ATM Forum. The MAC unit also has various memory management and error-handling functions.

The VSC8487YJU also has an ATM PHY unit. It is designed to operate over SONET networks, but can also be used over Ethernet and ATM networks. The ATM PHY provides basic layer one functions such as framing, cell delineation, and fault detection. It also performs advanced functions such as ATM Adaptation Layer 5 (AAL5), packet fragmentation, and link recovery.

The VSC8487YJU supports ATM Forum UNI4.0 and UNI4.1 standards. It can operate as a point-to-point device or as an intermediary between two points. It can also be used in a network-centric configuration with other devices. It has various management, timing, and synchronization functions suitable for use in application-specific solutions.

The VSC8487YJU supports Quality of Service (QoS) features that allow prioritization of different traffic types. It allows priority queuing and scheduling of high-priority services like voice or video. It also supports bandwidth allocation, policing, packet logging, and connection-oriented flow control.

The VSC8487YJU is an ideal device for use in Ethernet, ATM, and fiber optic networks. It provides high-performance transmission and supports various management functions and QoS features. It is a reliable and cost-effective solution for most telecommunication applications.

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