Item #: K57979. This Flexible Interface Card (FIC) provides a variety of expansion options that enhance 3Com Router 6040 or Router 6080 performance to optimize network operation. Customize the network to meet business needs. Product Description: 3Com Flexible Interface Card Module - expansion module - 4 ports Device Type: Expansion module Form Factor: Plug-in module Ports Qty: 4 ports Data Transfer Rate: 1.544 Mbps Line Rate: T-1 Manufacturer Warranty: 1 year warranty Customers also search for: Discount 3Com Flexible Interface Card Module - Expansion Module - 4 Ports, Buy 3Com Flexible Interface Card Module - Expansion Module - 4 Ports, Wholesale 3Com Flexible Interface Card Module - Expansion Module - 4 Ports, 0662705506494, 3C13870A, System Expansion Modules