Access slots in NetVanta 4000 and 5000 Series routers support high-speed access modules, called Wide Modules for their size. Interface options are provided for Unchannelized T3, Octal T1/E1, and HSSI for rates up to 44.2 Mbps.
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A Wide Module that provides a single HSSI interface supporting synchronous serial applications up to 44.2 Mbps
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A Wide Module that provides eight full or fractional T1 or E1interfaces
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A Wide Module that terminates a full unchannelized DS3circuit
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