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Cisco interface cards are classified according to the technologies they support. For example, WAN interface cards (WICs) support WAN technologies, such as Gigabit Ethernet; and voice interface cards (VICs) support voice technologies. Voice/WAN interface cards (VWICs) can support voice, data, and voice and data applications, depending on the capabilities of the router in which the VWIC is installed. Enhanced High-speed WAN interface cards (EHWIC) provide expanded LAN and WAN capabilities, such as Gigabit Ethernet and Ethernet switching.

The dual-serial port WAN interface cards (WICs) for the Cisco 2600 and 1700 series feature Cisco`s new, compact, high-density Smart Serial connector to support a wide variety of electrical interfaces when used with the appropriate transition cable. Two cables are required to support the two ports on the WIC. Each port on a WIC is a different physical interface and can support different protocols such as Point-to-Point protocol (PPP) or Frame Relay and Data Terminal Equipment/Data Communications Equipment (DTE/DCE).

Single-wide network modules are installed in fixed network module slots on Cisco 2600 series, Cisco 3600 series, Cisco 3700 series, and Cisco MWR 1941-DC routers, and in configurable network module slots on Cisco 2811, Cisco 2821, Cisco 2851, and Cisco 3800 series routers.

The Cisco High-Density Packet Voice Digital Signal Processor (DSP) Module (PVDM2) enables Cisco Integrated Services Routers to provide high-density voice connectivity, conferencing, and transcoding capabilities in Cisco IP Communications solutions. Cisco Integrated Services Routers provide enterprises and service providers with a toll bypass solution by connecting their existing telephony equipment (such as private branch exchanges [PBXs], key systems, analog telephones, and fax machines) to a toll-free data network and eventually migrating customers to Cisco Unified Communication Architecture for Voice, Video and Integrated Data IP telephony solutions.


The Cisco 2600 Series, Cisco 3660, and Cisco 3700 Series multiservice access routers provide enterprises and service providers a wide range of solutions for data, voice, and video. These routers are equipped with an Advanced Integration Module (AIM) slot, which provides customers the flexibility to deploy additional features.

Here you can find Router ISR G2 Service Modules to support new applications for your routers, including voicemail, wireless LAN controller, third-party and custom applications.

The Cisco 4000 Series Integrated Services Routers (ISR) revolutionize WAN communications in the enterprise branch.

The Catalyst 4000/4500 Access Gateway Module is a modular Cisco IOS, routing engine that integrates into the Catalyst 4000/4500 Series of switches.

The Cisco Catalyst 6500 Series Switch is a modular system that can grow as customer requirements expand and technology evolves, allowing businesses to upgrade and reconfigure systems by adding new modules, replacing existing modules, and adding and redeploying systems.

The Cisco Catalyst 6800 Family Switches offer a 8-port 40-Gigabit Ethernet module to serve a variety of high-bandwidth needs for the next-generation enterprise. Working in conjunction with the Catalyst Supervisor Engine can serve different needs on campus deployments. 

Catalyst 9000 LAN switches were recently recognized as CRN’s 2017 Overall Network Product of the year for delivering exceptional security, programmability, and performance. 

The Cisco Channel Port Adapter is an extension of Cisco's family of channel-attached products. The CPA joins the Channel Interface Processor (CIP) and channel applications software to make the most powerful and wide-ranging family of channel-attached router products in the industry.

The Cisco 7600 Series ES+ line cards are a multiple-fabric, fixed-port Ethernet line card for the Cisco 7600 series routers that are capable of 40 Gbps full-duplextraffic forwarding using a fixed port interface design.

Gain the resiliency of a digital business. Offer a superior user experience and security and compliance on demand. ASR 1000 Series Aggregation Services Routers can transform your service provider or enterprise network edge for the digital era.

The Cisco Nexus 5000 Series is designed for a broad range of physical, virtual, storage access, and high-performance computing environments, thus giving customers the flexibility to meet and scale their data center requirements in a gradual manner and at a pace that aligns with their business objectives.