Optical transmission - Network security - Brief Article

The 9771 Four-Port 10/100 Mbps Ethernet Switch/Transmission Card provides a point-to-point 10/100 Ethernet optical link with a built-in four-port switch at either end. Also available is an eight-port version that can be daisy-chained to create a high-speed, 100-MB Ethernet backbone. The unit includes both one- and two-fiber transport and CWDM compatibility, and is 100-Base FX compatible. When used as part of the company's Spectra-Stream 128 system, the cards allow Ethernet data transmission on the same fiber network that is being used for high-quality video and audio transport