| 产品特性：节省成本 | 是否进口：否 | 产地：美国 |
| 加工定制：否 | 品牌：ENTERASYS | 型号：enterasys-A4H254-8F8 |
| 工作电压：220V | 输出频率：1100kHz | 产品认证：原厂标准 |
| 系列：enterasys | 物料编码：A4H254-8F8 |
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ENTERASYS A4H124-24TX P0973JM ENTERASYS STK-RPS-150PS P0973BP ENTERASYS A2H124-24FX P0973BJ
ENTERASYS A2H254-16 P0973BK ENTERASYS C2G170-24 P0973BL ENTERASYS A4H254-8F8T P0973JP
ENTERASYS A4H124-24FX P0973JN
A4H254-8F8T提供可扩展的线速性能，以支持当今苛刻应用的带宽密集型和延迟敏感型要求。A4是一款高度可靠的快速以太网边缘交换机，提供可扩展的线速性能，以支持当今苛刻应用的带宽密集型和延迟敏感型要求。A4还提供多层数据包分类和优先级排队，以提供差异化的服务。服务。除了17.6Gbps的交换容量外，A4还提供多达48个10/100以太网端口以及4个10/100以太网端口。10/100以太网端口，以及4个千兆以太网上行端口。利用A4的堆叠能力，在一个堆叠中可以有多达8个A4相互连接来创建一个虚拟交换机，提供140.8Gbps的容量和多达384个10/100以太网端口以及16个千兆位以太网上行端口。A4在10/100堆叠式交换机中包括企业级功能，确保了无缝连接和应用性能。由于支持16,000个MAC地址，A4是需要支持数千个端点的大中型企业的一个出色选择。需要支持数以千计的端点。支持网络策略实现了对集成多媒体网络的有力支持，包括IP语音（VoIP）和IP视频。IP语音（VoIP）和IP视频，以及所有类型的数据密集型应用。随着6.61固件发布后，所有A4现在都可以为一台个人电脑和一台VoIP电话部署单独的策略。在单个交换机端口上为个人电脑和VoIP电话部署单独的策略。结合其无阻塞的二级交换架构，A4的智能排队机制确保了任务关键型应用获得对网络资源的优先访问。
The A4 includes a 24 port model with a very quiet design that operates fan-less in a typical office environment, making it ideal for classrooms and conference rooms. A highly-scalable architecture, Extreme Networks policy, basic routing and a lifetime warranty ensure that an A4 network investment will sustain a secure, feature-rich, and cost-effective network well into the future. Security The A4 provides a secure network by utilizing its authentication and security features, which can be applied at the port level or at the user level. Making use of the Extreme Networks Network Management Suite’s Policy Manager or a standard CLI, the Extreme Networks role-based architecture enables a network administrator to define distinct roles or profiles that represent operational groups within a business (e.g., employee, executive, guest, etc). Up to two devices (a PC and a VLA-tagging phone) per port can be authenticated via IEEE 802.1X, MAC address or web-based authentication, and then assigned a pre-defined operational role. Investment Protection The A4 is a cost-effective, feature-rich, stackable switch that provides a broad set of features today and will continue to deliver benefits well into the future. With Release 6.61, the A4 now supports static routing as well as RIPv1/v2 routing. All A-Series products include a lifetime warranty that includes warranty and support services for which many competitors charge additional fees – adding up to 10% of initial deployment costs on an annual basis. Included benefits, such as advanced hardware return, firmware feature upgrades (which most vendors cover at most for 90 days) and telephone support (which most don’t include or severely limit) combine to significantly decrease operational costs for customers over the life of their network. For more information regarding warranty terms and conditions please go to http://www.ExtremeNetworks. com/support/warranty.aspx.
