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Cisco NIM-ES2-4 4-Port Gigabit Ethernet Switch NIM - SFP (mini-GBIC) Expansion Module for Data/Optical Networking
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Product Features
Technical Overview
This Cisco expansion module delivers four independent Gigabit Ethernet ports, each supporting SFP (Small Form-factor Pluggable) transceivers, also known as mini-GBIC slots. The SFP interface allows network engineers to select the appropriate optical or copper transceiver for each port based on distance, media type, and connectivity requirements.
The module operates as a fully integrated switching component within compatible Cisco platforms, supporting standard Ethernet switching features such as VLANs, QoS, and link aggregation. It leverages the host device's management and power infrastructure, simplifying deployment and reducing overall system complexity.
Key Product Advantages
The NIM-ES2-4 provides a cost-effective and space-efficient method to increase port density on supported Cisco routing platforms. By adding four Gigabit Ethernet ports with SFP flexibility, it eliminates the need for external switches in many scenarios, reducing cable clutter, power consumption, and management overhead.
Media Flexibility
Each SFP slot accepts a wide range of Cisco-compatible optical and copper transceivers, allowing customization for singlemode fiber, multimode fiber, or copper Ethernet connections based on distance and infrastructure requirements.
- Supports SFP transceivers
- Optical or copper media
- Distance-optimized connectivity
Platform Integration
Designed specifically for Cisco 4000 Series Integrated Services Routers, the module integrates seamlessly with the host device's switching fabric, management interface, and power supply, ensuring consistent performance and simplified operation.
- Native Cisco compatibility
- Unified management
- Reduced footprint
Deployment / Use Cases
The Cisco NIM-ES2-4 is ideal for expanding WAN edge connectivity, providing additional Ethernet ports for branch office deployments, or aggregating multiple service connections on a single routing platform. Its SFP-based design makes it suitable for both short-reach copper connections and longer-distance fiber optic links.
Common deployment scenarios include adding Gigabit Ethernet ports for connecting to LAN switches, servers, or network appliances; providing fiber uplinks to distribution switches; or enabling redundant connections in high-availability configurations. The module's compatibility with Cisco 4451-X, 4431, 4351, 4331, and 4321 switches makes it a versatile expansion option for various network architectures.
Highlights
- Four Gigabit Ethernet ports with SFP (mini-GBIC) slots
- Compatible with Cisco 4451-X, 4431, 4351, 4331, 4321 switches
- Hot-pluggable expansion module design
- Supports both optical and copper SFP transceivers
- Integrated switching functionality
- Reduces need for external switch hardware
- Simplifies cable management and power distribution
- Enables flexible media selection per port
Specifications
| Specifications | |
|---|---|
| Manufacturer | Cisco Systems, Inc |
| Manufacturer Part Number | NIM-ES2-4 |
| Brand Name | Cisco |
| Product Name | 4-Port Gigabit Ethernet Switch NIM |
| Product Type | Expansion Module |
| Technical Information | |
| Application/Usage | Data Networking,Optical Network |
| I/O Expansions | |
| Total Number of Expansion Slots | 4 |
| Expansion Slot Type | SFP (mini-GBIC) |
| Miscellaneous | |
| Compatibility | Cisco Switches: 4451-X 4431 4351 4331 4321 |
FAQ
What Cisco switches is the NIM-ES2-4 compatible with?
The NIM-ES2-4 is compatible with Cisco 4451-X, 4431, 4351, 4331, and 4321 Integrated Services Routers. These platforms support the Network Interface Module form factor and provide the necessary switching fabric and management integration for the module to operate as an expansion component.
What type of transceivers can I use with this module?
Each of the four ports accepts standard SFP (Small Form-factor Pluggable) transceivers, also known as mini-GBIC modules. You can use Cisco-compatible optical SFP transceivers for fiber connections (singlemode or multimode) or copper SFP transceivers for Ethernet cable connections, allowing you to customize each port for specific distance and media requirements.
How does this expansion module differ from a standalone switch?
The NIM-ES2-4 integrates directly into compatible Cisco routers, sharing the host device's power supply, management interface, and switching fabric. This eliminates the need for separate power cables, management IP addresses, and inter-device cabling, reducing complexity and footprint compared to adding a standalone external switch.