The SmartBits LAN-3311A is a Smartmetrics Ethernet module used to test the performance and interoperability of networking devices. The GBIC-based LAN-3311A supports 1000 Mbps (1 Gbps) over single and multi-mode fiber. Each module is capable of simulating the millions of clients and servers required to fully test network systems. Requires ACC-6002A (multi-mode) or ACC-6003A (single-mode). Occupies one slot in SMB-600 or SMB-6000.