Datasheet > VSC7421-04

VSC7421-04

更新时间： 2022-02-26 15:02:47

品牌	Logo	应用领域
VITESSE		/
页数	文件大小	规格书
2页	299K
描述
17-Port Layer 2 Gigabit Ethernet Switch

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VSC7421-04 数据手册

VSC7421-04

• 4 megabits of integrated shared packet memory

Best-in-Class Power Consumption

• Lowest power 17-port Gigabit Ethernet switch available

in the market

QoS

• Eight QoS queues per port with strict or

deficit-weighted round robin scheduling

• Green energy efficiency modes including ActiPHY,

PerfectReach, and Draft IEEE 802.3az

• QoS classification based on IEEE 802.1p and

IPv4/IPv6 DSCP

• Two ICs reduce overall power requirements

• Optimal power consumption for all link speeds

• Data rate shaper and policer per-queue, per-port for

both ingress and egress directions

Features

• Full-duplex flow control (IEEE 802.3x) and half-duplex

backpressure, symmetric and asymmetric

• Twelve integrated IEEE 802.3ab-compliant

10/100/1000BASE-T Ethernet copper transceivers with

VeriPHY cable diagnostics

• Multicast and broadcast storm control with flooding

control

• Two configuration options:

12 × CuPHY + 2 × 1G SGMII + 2 × 1G/2.5G SGMII

12 × CuPHY + 1× QGMII + 1 × 1G/2.5G SGMII

Key Specifications

• 1 V core power supply

• Integrated 250 MHz 8051 CPU with 64 KB internal

storage

• 2.5 V I/O power supplies

• Serial interface for external CPU register access

• Device overheat protection

• 24 mm × 24 mm thin QFP package

• –40 °C to 125 °C temperature range

• Hardware loop detection

Related Vitesse Products

• Integrated fan controller

Visit www.vitesse.com for information about these related

Vitesse products:

• 8 K MAC addresses and 4 K VLAN support

• Push/pop VLAN tag

• Ethernet switches

• 1G copper PHYs

• MACs

• Supports IEEE 1149.1 JTAG boundary scan,

IEEE 1149.6 JTAG, 1 Gbps SGMII, and 100BASE-FX

and 1000BASE-X

Layer 2 Switching

L2 Forwarding

and Policers

Shared Queue System

4 Mb Memory

8051 CPU

64 KB Integrated

RAM

• 17-port Gigabit Ethernet switch with nonblocking

wire-speed performance

Ingress and Egress

Statistics

DWRR Scheduler

and Shapers

JTAG, SPI, MIIM

• Link aggregation (IEEE 802.3ad) with programmable

traffic distribution based on Layer 2 through Layer 4

information

VLAN and QoS

Classification

VLAN Editing and

DSCP Remarking

14× GPIO:

LED

UART

17× 1G MAC

• Wire-speed hardware-based learning and CPU-based

learning configurable per port

SIO

IRQ

I/O Muxing

1× QSGMII

Two-Wire Serial

Fan Controller

• Independent and shared VLAN learning

12× CuPHY

4× SGMII

• Jumbo frame support up to 12.2 kilobytes with per-port

programmable MTU

1× QSGMII

1000BASE-X

100BASE-FX

12×

2× 1G + 2× 1G/2.5G SGMII

1000BASE-X

100BASE-FX

10/100/1000 Mbps

• Provider Bridging (VLAN Q-in-Q) support

(IEEE 802.1ad)

Vitesse Semiconductor Corporaꢀon

www.vitesse.com

no responsibility for the information provided herein. VPPD-03731. Revision 1.0.

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