Detailed Product Description

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The dual-serial port WAN interface cards (WICs) for the Cisco 1800 and 2800 ,3800
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).