CISCO C6840-X-LE-40G 交换机是思科公司生产的一款高性能的千兆以太网交换机，具备以下特点：

高速传输：支持10000Mbps的传输速率，能够快速传输大量数据。

模块化设计：采用模块化设计，具有7个插槽，可以灵活扩展网络功能。

全双工自适应：支持全双工自适应模式，能够自动根据网络环境调整传输参数，提高网络性能。

网管型交换机：支持网管功能，方便用户进行设备管理、配置和故障排除。

高可靠性：采用高品质的材料和严格的生产工艺，具备高可靠性和稳定性，能够保证长期稳定运行。

C6840-X-LE-40G 交换机适用于需要高性能、高可靠性的网络环境，如大型企业、数据中心等。它可以作为核心交换机，提供高速、稳定的网络连接，支持各种网络应用和服务。

此外，思科Catalyst 6840-X系列交换机是Cisco Catalyst 6800系列的一部分，提供灵活的端口密度，并通过四个机箱版本提供所需的端口密度。这些模型的最小固定端口为16个10G端口，最多可使用SFP/SFP+达到40个10G端口。其中两个型号带有2个40G上行链路端口和本地QSFP。

Cisco Catalyst 6840-X交换机还提供集成的弹性，通过1+1电源供应冗余、单可移动风扇托架与四个冗余风扇，以及对虚拟交换系统（VSS）的支持，从而限制了网络停机时间，并确保了员工的生产力、客户满意度和盈利能力

The CISCO C6840-X-LE-40G switch is a high-performance Gigabit Ethernet switch manufactured by Cisco with the following features:

High-speed transmission: supports a transmission rate of 10000Mbps, which can quickly transfer a large amount of data.

Modular design: With a modular design and 7 slots, you can flexibly expand network functions.

Full-duplex adaptive mode: Supports the full-duplex adaptive mode, which automatically adjusts transmission parameters according to the network environment to improve network performance.

Network management switch: Supports network management functions, facilitating device management, configuration, and troubleshooting.

High reliability: The use of high-quality materials and strict production process, with high reliability and stability, to ensure long-term stable operation.

The C6840-X-LE-40G switch is suitable for network environments requiring high performance and reliability, such as large enterprises and data centers. It can be used as a core switch to provide high-speed, stable network connections and support a variety of network applications and services.

In addition, the Cisco Catalyst 6840-X series switches, part of the Cisco Catalyst 6800 family, offer flexible port density and provide the required port density through four chassis versions. These models have a minimum fixed port of 16 10G ports and a maximum of 40 10G ports using SFP/SFP+. Two of these models come with 2 40G uplink ports and local QSFP.

The Cisco Catalyst 6840-X switch also offers integrated resiliency with 1+1 power supply redundancy, single removable fan carrier with four redundant fans, and support for virtual switching systems (VSS), limiting network downtime and ensuring employee productivity, customer satisfaction, and profitability