In today’s competitive environment, service providers cannot risk any interruption in service. Finding a
problem before it becomes a hard failure does more than just prevent loss of service, it affords
service providers sufficient time to address the problem appropriately. With troubleshooting often
posing a large, time-consuming expense, service providers have discovered new methods for
nonintrusive test access of fiber circuits. A Value-Added Module (VAM) system equipped with
monitor modules provides more flexibility and functionality in a variety of monitoring applications....