Amazon.com: Cisco HWIC-2T 2-Port Serial WAN Interface Card: Electronics

Cisco serial and asynchronous high-speed WAN interface cards (HWICs) provide highly flexible connections for Cisco 1800, 1900, 2800, 2900, 3800, and 3900 Series Integrated Services Routers. These HWICS help customers enable applications such as WAN access

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