Type: 6-wire flat cable with RJ12 connectors. Compatibility: Designed for Cobalt Alpha, NCE PowerCab/ProCab, and other digital devices utilizing RJ12 connections. Length: 500mm. It is primarily used to connect Cobalt Alpha components, such as the Cobalt Alpha Central (a 12-way digital switch) or Alpha Box (5-amp booster), to other Alpha units or DCC command stations (like NCE PowerCab/ProCab).