PTB116 is rugged, low cost, low profile interconnection between central office and multi-dwellingĀ units of FTTX application. The design of TB116 combines the functionality of a local convergenceĀ cabinet with Terminal BOX.Ā The multi-layer design allows installers to access only the components necessary for initial installationĀ or subscriber turn-up. It can house the splitter and allows for pigtail splicing of distribution/dropĀ cables as needed.