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Cisco NIM-ES2-4-RF 4-Port Gigabit Ethernet Switch NIM - SFP (mini-GBIC) Expansion Module - Refurbished
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Product Features
Technical Overview
This expansion module delivers four independent Gigabit Ethernet interfaces through SFP (mini-GBIC) transceiver slots, supporting both optical and copper media types based on installed transceivers. Each port operates at 1 Gbps with standard Ethernet framing and supports common Layer 2 switching features including VLAN tagging, link aggregation, and quality of service.
The NIM-ES2-4-RF interfaces directly with the router's backplane, providing wire-speed switching between its four ports and the router's internal fabric. This architecture minimizes latency while maintaining the router's security and policy enforcement capabilities across all connected interfaces.
Key Product Advantages
This Cisco switch NIM extends router functionality without compromising performance or management integration. The four SFP slots provide media flexibility, allowing network architects to match connectivity to specific distance, budget, or existing infrastructure requirements.
Router Integration
Direct integration with Cisco ISR 4000 Series routers enables unified management through Cisco IOS-XE, eliminating separate switch management overhead while maintaining consistent security policies across all interfaces.
- Single management plane
- Consistent policy enforcement
- Backplane connectivity
Media Flexibility
SFP (mini-GBIC) slots support both optical and copper transceivers, allowing network designers to select appropriate media for each connection based on distance, cost, or existing infrastructure.
- Fiber or copper support
- Distance optimization
- Infrastructure reuse
Deployment / Use Cases
The NIM-ES2-4-RF is engineered for branch office and enterprise edge deployments where additional Gigabit Ethernet ports are needed but full switch chassis deployment isn't practical. Its compact form factor and direct router integration make it ideal for space-constrained environments or locations requiring minimal network devices.
Common deployment scenarios include adding fiber uplinks to existing copper-based router installations, creating isolated network segments for security zones or guest networks, and aggregating multiple access switches onto a single router interface. The module's SFP slots enable cost-effective migration to optical networking where distance requirements exceed copper limitations.
Branch Office Expansion
Add four Gigabit Ethernet ports to Cisco ISR 4000 Series routers in branch offices without deploying separate switches, reducing equipment count and simplifying network management.
Media Conversion
Convert between fiber and copper media types using appropriate SFP transceivers, enabling connectivity to both existing copper infrastructure and new fiber runs within the same router platform.
Highlights
- Four SFP (mini-GBIC) Gigabit Ethernet expansion slots
- Compatible with Cisco 4451-X, 4431, 4351, 4331, 4321 switches
- Direct integration with Cisco ISR 4000 Series router backplane
- Supports both optical and copper media via SFP transceivers
- Refurbished condition with full testing
- 90-day limited warranty coverage
- Enables network expansion without chassis replacement
- Unified management through Cisco IOS-XE software
Specifications
| Specifications | |
|---|---|
| Manufacturer | Cisco Systems, Inc |
| Manufacturer Part Number | NIM-ES2-4-RF |
| Brand Name | Cisco |
| Product Name | 4-Port Gigabit Ethernet Switch NIM |
| Product Condition | Refurbished |
| 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 |
| Warranty | |
| Limited Warranty | 90 Day |
FAQ
Which Cisco router models are compatible with the NIM-ES2-4-RF?
The NIM-ES2-4-RF is compatible with Cisco ISR 4000 Series routers including models 4451-X, 4431, 4351, 4331, and 4321. These routers provide the necessary NIM slot and software support for this 4-port Gigabit Ethernet switch module.
What type of transceivers can be used in the SFP slots?
The four expansion slots accept standard SFP (mini-GBIC) transceivers, supporting both optical (fiber) and electrical (copper) media types. You can install appropriate Cisco-compatible SFP transceivers based on your distance requirements and existing network infrastructure.
What is the warranty coverage for this refurbished expansion module?
This refurbished Cisco NIM-ES2-4-RF comes with a 90-day limited warranty. The module undergoes comprehensive testing and refurbishment processes to ensure reliable performance before shipment.
How does this switch NIM differ from a standalone Ethernet switch?
Unlike standalone switches, the NIM-ES2-4-RF integrates directly into compatible Cisco routers, sharing the router's management plane, power supply, and chassis. This integration reduces equipment count, simplifies cabling, and maintains consistent security policies across all interfaces through the router's IOS-XE software.
| Qty | Price | Available |
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