NetVanta Wide NIM Modules

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.
Products
Part Number: 1202843E1    
A Wide Module that provides eight full or fractional T1 or E1interfaces