11 Aug 2009 It is the ultimate converter-based fiber Ethernet demarcation device for bookend pair applications. It is with flexible architecture reduce both operating and capital expenses while providing premium services including full service level control over link connectivity and segment provisioning.it is the ultimate fiber optic converters based Ethernet demarcation device that fit converters like cwdm gbic 1550,cwdm gbic 1570,cwdm gbic 1590 and cwdm gbic 1610.It provides carrier-to-customer network interface that separates the upstream WAN from the downstream network. | 
