板卡NIM-ES2-8
NIM-ES2-8 8-port Layer 2 GE Switch Network Interface Module
4端口和8端口Cisco®千兆以太网LAN交换机网络接口模块（NIM）可以通过在Cisco 4000系列集成服务路由器（ISR）中集成千兆以太网交换机端口来降低公司的总体拥有成本（TCO）。这些低密度千兆以太网交换机为中小型企业和企业分支机构提供了集成到单个设备中的交换和路由组合（图1）。
这些交换机与Cisco IOS-XE软件的集成允许网络管理员使用Cisco管理工具或路由器命令行界面（CLI）来管理单个设备，以满足LAN和WAN管理需求。这种方法降低了网络复杂性，降低了维护合同成本，并减少了员工培训需求。它还简化了软件鉴定工作，并在分支机构提供了一致的用户体验。此外，这些低密度千兆以太网交换模块支持思科业界领先的电源计划，包括每端口以太网供电（PoE）和以太网供电+（PoE+）电源监控，这增强了分支机构扩展到更高性能要求的能力，同时仍满足IT团队运营节能网络的环境计划。
4端口和8端口千兆以太网LAN交换机NIM提供跨板载千兆以太网端口的线路速率第2层交换。4端口NIM有四个10/100/1000交换千兆以太网端口。8端口NIM有8个10/100/1000交换千兆以太网端口，PoE/PoE+版本能够为所有8个端口供电。NIM还通过使用多位结构（MGF）实现了直接的模块间通信。
NIM-ES2-8
Parameter
Specification
Form factor
● NIM-ES2-4: Single-wide NIM form factor
● NIM-ES2-8: Single-wide NIM form factor
● NIM-ES2-8-P: Single-wide NIM form factor
Dimensions (H x W x D)
● NIM-ES2-4: 0.8 x 3.1 x 4.8 in. (2.1 x 7.9 x 12.2 cm)
● NIM-ES2-8: 0.8 x 6.2 x 4.8 in. (2.1 x 18.8 x 12.2 cm)
● NIM-ES2-8-P: 0.8 x 6.2 x 4.8 in. (2.1 x 18.8 x 12.2 cm)
Weight
● NIM-ES2-4: 79g (0.17 lb)
● NIM-ES2-8: 108g (0.24 lb)
● NIM-ES2-8-P: 149g (0.33 lb)
Product Number Product Description
NIM-ES2-4= 4-port Layer 2 Gigabit Ethernet LAN Switch NIM
NIM-ES2-8= 8-port Layer 2 Gigabit Ethernet LAN Switch NIM
NIM-ES2-8-P= 8-port PoE/PoE+ Layer 2 Gigabit Ethernet LAN Switch NIM
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