Link 3000 Junction
An Inter-Shelf Junction Panel is required to connect the Expansion Shelves to the System Controller. Converts the RJ21 connections found on the System Controller to the RJ45 connections found on the Shelf Controllers. Each Inter-Shelf Junction Panel supports 19 shelves and has four (4) RJ21 System Controller connectors. One Inter-Shelf Junction Panel is required for systems with more than one (1) shelf.