Cisco EHWIC-1GE-SFP-CU Gigabit WAN Interface Card

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Overview

The Cisco EHWIC-1GE-SFP-CU is a dual-identity Enhanced High-Speed WAN Interface Card that provides both fibre and copper Gigabit Ethernet connectivity on compatible Cisco Integrated Services Routers. Supporting SFP and RJ-45 interfaces in a single module, it gives network teams the flexibility to adapt WAN and LAN connections without changing hardware.

Designed for performance-driven branch and enterprise environments, this module accelerates Ethernet WAN access, inter-VLAN routing, and high-speed links to switches and servers.

Key Features

• Dual-media support with SFP and RJ-45 Gigabit Ethernet
• Delivers up to 1 Gbps data throughput
• Plug-in EHWIC form factor for Cisco ISRs
• Supports Ethernet, Fast Ethernet, and Gigabit Ethernet
• Simplifies WAN and LAN connectivity upgrades

Technical Specifications

Device Type: Expansion module

Model: EHWIC-1GE-SFP-CU

Form Factor: Plug-in module (EHWIC)

Interface Type: EHWIC

Ports: 1 × Gigabit Ethernet (SFP or RJ-45)

Data Transfer Rate: 1 Gbps

Protocols: Ethernet, Fast Ethernet, Gigabit Ethernet

Compatibility: Cisco 1900, 2900, 3900 Series Integrated Services Routers

Use Cases

This module is ideal for branch offices that need flexible WAN connectivity as network infrastructure evolves. It supports fiber uplinks in data-center or metro Ethernet deployments while also supporting copper connections for local switching and server access. IT teams often deploy it to simplify hardware inventories, enable faster WAN handoffs from service providers, and support scalable inter-VLAN routing within a single router platform.

Why Choose Cisco EHWIC-1GE-SFP-CU 

• One module supports both fiber and copper networks
• Reduces hardware changes during WAN upgrades
• Designed for long-term Cisco ISR deployments
• Supports high-speed enterprise traffic demands
• Simplifies branch and edge network architecture

FAQs

What makes the EHWIC-1GE-SFP-CU different from standard WAN cards?

It supports both SFP fiber and RJ-45 copper interfaces in one module, offering greater deployment flexibility.

Can I switch between SFP and copper connections?

Yes. You can use either interface depending on your network design and cabling needs.

Is this module suitable for Ethernet WAN services?

Yes. It is best for Ethernet WAN access and high-speed uplinks.

Does it support inter-VLAN routing?

Yes. It works with Cisco ISR routing features to efficiently handle inter-VLAN traffic.

Which routers support this module?

It is best for compatible Cisco Integrated Services Routers across the 1900, 2900, and 3900 series.