**Full Part Number:** ME-3400G-12CS-A  
**Manufacturer:** Cisco Systems, Inc.
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### **Overview**
The **Cisco ME-3400G-12CS-A** is a versatile and high-performance Ethernet access switch designed for metropolitan Ethernet networks and service provider environments. It features 12 Gigabit Ethernet ports and 2 x 10 Gigabit SFP+ uplink ports, providing robust connectivity and flexible network management options. The ME-3400G-12CS-A is ideal for delivering high-speed access and aggregation capabilities in both enterprise and service provider networks.
### **Key Features**
- **12 Gigabit Ethernet Ports:** Provides 12 high-speed 10/100/1000 Mbps Ethernet ports, allowing for efficient connection of various network devices and ensuring reliable data transfer.
- **2 x 10G SFP+ Uplink Ports:** Equipped with 2 x 10 Gigabit SFP+ uplink ports for high-bandwidth connections to core switches or other network devices, enabling fast and scalable network expansion.
- **Layer 2 and Layer 3 Capabilities:** Supports both Layer 2 switching and Layer 3 routing, offering flexibility to handle a range of network requirements and enhance network performance.
- **Quality of Service (QoS):** Features advanced QoS capabilities to prioritize network traffic and ensure optimal performance for critical applications such as VoIP and video conferencing.
- **Enhanced Security:** Includes integrated security features such as VLAN support, Access Control Lists (ACLs), and port security to protect against unauthorized access and network threats.
- **Flexible Deployment:** Suitable for both enterprise and service provider environments, providing the scalability and performance needed for diverse network applications.
### **Applications**
- **Enterprise Networks:** Ideal for medium to large enterprises requiring reliable Ethernet access and aggregation for their internal networks, ensuring high-speed connectivity and network efficiency.
- **Service Provider Networks:** Perfect for service providers delivering Ethernet services to customers, offering the necessary performance and scalability for metropolitan area networks.
- **Data Centers:** Suitable for data center environments needing high-speed access and aggregation solutions to support data traffic and network operations.
- **Branch Offices:** Effective for branch office deployments requiring reliable and high-performance network connectivity.
### **Specifications**
- **Model:** Cisco ME-3400G-12CS-A  
- **Ports:**
  - 12 x 10/100/1000 Mbps Gigabit Ethernet
  - 2 x 10 Gigabit SFP+ (uplink)
- **Switching Capacity:** Up to 24 Gbps  
- **Forwarding Rate:** Up to 17.8 Mpps (million packets per second)  
- **Layer 2 Features:** VLAN support, spanning tree protocol  
- **Layer 3 Features:** Static routing, RIP  
- **Quality of Service (QoS):** Traffic prioritization and management  
- **Security Features:** ACLs, port security  
- **Dimensions:** 1.73 x 17.5 x 16.7 inches (H x W x D)  
- **Weight:** Approximately 12.5 lbs (5.7 kg)  
- **Operating Temperature Range:** 32°F to 104°F (0°C to 40°C)  
### **Why Choose Cisco ME-3400G-12CS-A?**
The **Cisco ME-3400G-12CS-A** provides a high-performance and flexible solution for Ethernet access and aggregation, delivering reliable connectivity and advanced network features. Its combination of Gigabit Ethernet ports and 10G uplink capabilities ensures robust performance for both enterprise and service provider environments. Cisco's commitment to quality and innovation guarantees that the ME-3400G-12CS-A will meet your network's demands and support your operational needs effectively.