While the pace of change in network technology continues to increase, global deregulation of telecommunications has allowed more service providers to compete for data, voice, and video network services. Only companies who have designed their network infrastructures with these factors in mind will be able to benefit from the lower prices caused by increased competition and protect themselves from "technology lockout" in the future.Cisco offers its new 1-port 100Base-FX module. The Catalyst 2820 switch series of modules are hot-swappable and field-installable enabling users to migrate to new technologies as their needs change, and minimize network downtime.