NIM-ES2-4 Cisco 4 Ports Layer 2 4X Slots Gigabit SFP Refurbished

The NIM-ES2-4 Cisco Ethernet Switch is a powerful networking device designed to meet the demands of modern businesses and organizations. In this comprehensive guide, we will delve into the features, benefits, and applications of this versatile 4-port Layer 2 Gigabit SFP Ethernet switch. Whether you're an IT professional looking for a reliable networking solution or a business owner seeking to enhance your network infrastructure, this switch may be just what you need.

The NIM-ES2-4 is a network switch manufactured by Cisco, a renowned name in the world of networking and technology. This particular switch model is known for its high-speed connectivity and versatile configuration, making it a valuable addition to any network setup.

• Port Configuration: The "4 Ports" in the product name refers to the four Gigabit Ethernet ports available on this switch. These ports are essential for connecting various network devices, such as computers, servers, printers, and more.
• Layer 2 Switching: The term "Layer 2" refers to the Data Link Layer of the OSI model, which is responsible for creating a reliable link between devices in a local area network (LAN). The NIM-ES2-4 is primarily designed for Layer 2 switching, which ensures efficient and secure data transmission within your network.

• Gigabit Speed: One of the standout features of this switch is its Gigabit speed capability. Gigabit Ethernet can transfer data at a rate of 1,000 megabits per second (Mbps), which is significantly faster than traditional Ethernet connections. This means that data can be transferred quickly and efficiently, reducing network congestion and improving overall performance.
• SFP Slots: The NIM-ES2-4 switch is equipped with SFP (Small Form-Factor Pluggable) slots. These slots allow for the use of SFP transceivers, which enable fiber optic connections. Fiber optics are known for their high data transfer rates and reliability, making them a preferred choice for long-distance connections and high-bandwidth applications.
• Scalability: Scalability is a crucial factor in networking, especially for growing businesses. The NIM-ES2-4 Cisco switch provides four SFP slots, offering room for expansion. You can easily increase the number of network connections by adding more SFP transceivers as your needs grow.
• Quality of Service (QoS): Quality of Service is essential in a network, particularly when different types of data require different levels of priority. This switch supports QoS, allowing you to prioritize certain data packets, such as VoIP (Voice over Internet Protocol) or video streaming, to ensure a smooth and uninterrupted user experience.
• VLAN Support: Virtual LAN (VLAN) support is another valuable feature. VLANs enable you to segment your network into smaller, isolated networks, improving security and network management. The NIM-ES2-4 switch can handle VLAN configurations, providing enhanced control over your network traffic.

• Enhanced Network Performance: By harnessing the power of Gigabit Ethernet and SFP slots, this switch can significantly boost your network's performance. Data can flow seamlessly, reducing latency and ensuring a responsive network environment.
• Versatile Connectivity: The NIM-ES2-4's four ports and SFP slots provide versatile connectivity options. You can connect various devices and accommodate different networking needs, from workstations to high-speed servers.
• Future-Proofing: Investing in a switch with room for expansion is a wise decision. As your business grows, you won't need to replace your networking hardware. Instead, you can simply add more SFP transceivers to meet the increased demands of your network.
• Improved Network Management: With VLAN support and QoS features, this switch offers better control and management of your network. You can segment your network for security or prioritize specific traffic, ensuring a smooth and efficient operation.

• The NIM-ES2-4 is a network interface module (NIM) manufactured by Cisco that can be installed on various Cisco Integrated Services Routers (ISR). It provides 4 Gigabit Ethernet ports using small form-factor pluggable (SFP) interfaces, which can support various types of Gigabit Ethernet media such as copper or fiber optic cables.
• Switching capacity refers to the maximum amount of data that the switch can handle per second. The NIM-ES2-4 has a switching capacity of 8 Gbps, which means that it can handle up to 8 billion bits of data per second. This capacity is important because it determines how much traffic the switch can handle without causing congestion or slowdowns.
• The performance of a switch is usually measured in terms of its latency and throughput. Latency is the amount of time it takes for a data packet to travel from one port to another through the switch, while throughput is the amount of data that can be transmitted per second. The NIM-ES2-4 has a low latency of less than 4 microseconds, which means that it can forward packets quickly with minimal delay. Its maximum forwarding rate is 5.5 Mpps (million packets per second), which means that it can handle a high volume of traffic with minimal packet loss.

• The NIM-ES2-4 is a Cisco network interface module that provides Layer 2 switching functionality for Ethernet networks. It has four ports, which support Gigabit SFP transceivers. The module is designed to be used with Cisco ISR G2 and 4000 Series routers, and it can be managed and configured through the router's command-line interface (CLI) or a web-based graphical user interface (GUI).
• Management of the NIM-ES2-4 involves configuring the switch ports and managing the switch's features and functions. The module can be configured to support various VLANs, Quality of Service (QoS) policies, and security settings. The CLI provides a wide range of commands for configuring the switch, while the GUI provides an easier-to-use interface for managing the switch's settings.
• Configuration of the NIM-ES2-4 involves setting up the switch for operation in the network. This includes configuring the switch ports, VLANs, QoS policies, and security settings. The module can be configured to support Layer 2 or Layer 3 switching, and it can also be configured for link aggregation (LACP) or port mirroring (SPAN) operations.
• To configure the NIM-ES2-4, you will need to connect to the router that the module is installed in and access its CLI or GUI interface. From there, you can configure the switch settings and features as needed. Cisco provides extensive documentation on the configuration and management of the NIM-ES2-4, including configuration guides, command references, and troubleshooting guides.

• Manufacturer: Cisco
• Part Number or SKU# NIM-ES2-4
• Product Type: Expansion Module

• Capacity: 4 Ports Module
• Application/Usage Data Networking
• Application/Usage Optical Network

• Total Number of Network Ports 4
• Number of Total Expansion Slots 4
• Expansion Slot Type SFP (mini-GBIC)

• Internal power supply Optional PoE system power supply available for all Cisco 4000 Series routers
• Internal redundant power supply For the Cisco 4431 and 4451 routers only
• DC power support DC system power input available on the Cisco 4351, 4431, and 4451 routers PoE option is not available with DC system power input

Environmental

• Operating temperature 32° to 104°F (0° to 40°C)
• Operating humidity 10 to 90 percent, non-condensing
• Nonoperating temperature -4° to 149°F (-20° to 65°C)
• Operating altitude 15,000 ft (4,570m)
• Regulatory compliance, safety, and EMC: When installed in a Cisco 4000 Series router, the Cisco Gigabit Ethernet LAN Switch NIM meets the standards (regulatory compliance, safety, and EMC) of the router itself. Refer to the datasheets for the Cisco 4000 Series routers for more details

IEEE protocols

• Gigabit Ethernet: IEEE 802.3 and 10BASE-T
• Gigabit Ethernet: IEEE 802.3u, 100BASE-TX, and 1000BASE-TX
• IEEE 802.1d Spanning Tree Protocol
• IEEE 802.1p CoS for Traffic Prioritization
• IEEE 802.1q VLAN
• IEEE 802.1X Security
• IEEE 802.3x Full Duplex
• IEEE 802.3af Power over Gigabit Ethernet Standard

MIBS

• RFC 1213
• IF MIB
• RFC 2037 ENTITY MIB
• CISCO-CDP-MIB
• CISCO-IMAGE-MIB
• CISCO-FLASH-MIB
• OLD-CISCO-CHASSIS-MIB
• CISCO-VTP-MIB
• CISCO-HSRP-MIB
• OLD-CISCO-TS-MIB
• CISCO-ENTITY-ASSET-MIB
• CISCO-ENTITY-FRU-CONTROL-MIB
• BRIDGE MIB (RFC 1493)
• CISCO-VLAN-MEMBERSHIP-MIB
• CISCO-VLAN-IFINDEX-RELATIONSHIP-MIB
• RMON1-MIB
• PIM-MIB
• CISCO-STP-EXTENSIONS-MIB
• OSPF MIB (RFC 1253)
• IPMROUTE-MIB
• CISCO-MEMORY-POOL-MIB
• ETHER-LIKE-MIB (RFC 1643)
• CISCO-ENTITY-FRU-CONTROL-MIB.my
• CISCO-RTTMON-MIB
• CISCO-PROCESS-MIB
• CISCO-COPS-CLIENT-MIB

Manageability

• SNMP and Telnet interface support delivers comprehensive in-band management, and a CLI management console provides detailed out-of-band management.
• An embedded RMON software agent supports four RMON groups (history, statistics, alarms, and events) for enhanced traffic management, monitoring, and analysis.
• A SPAN port can mirror traffic from one or many ports to another port for monitoring all eight RMON groups with an RMON probe or network analyzer.
• Trivial File Transfer Protocol (TFTP) reduces the cost of administering software upgrades by downloading from a centralized location.
• Two LEDs per port provide a convenient visual indication of the port link and PoE status.
• Crash information support enables a switch to generate a crash file for improved troubleshooting.
• Show-interface capabilities provide information about the configuration capabilities of any interface

Connectors and cabling

• 10BASE-T ports: RJ-45 connectors, two-pair Category 3, 4, or 5 unshielded twisted pair (UTP) cabling
• 100BASE-TX ports: RJ-45 connectors; two-pair Category 5 UTP cabling
• 1000BASE-TX ports: RJ-45 connectors; two-pair Category 5e and Category 6 UTP cabling

LED indicators

• Link status LED: One LED per port for indicating link status
• PoE LED: One LED per port system for PoE status indication

In Summary, the NIM-ES2-4 Cisco Ethernet Switch is a versatile and powerful networking solution suitable for a wide range of applications. Its Gigabit speed, SFP slots, and support for VLANs and QoS make it a valuable addition to any network infrastructure. Whether you're looking to improve network performance, enhance connectivity, or future-proof your network, this switch has you covered. Invest in reliable networking equipment like the NIM-ES2-4 to ensure the smooth operation of your business or organization.