NMEA 2000 T-Connector - 6 PortsAs the NMEA 2000 network expands beyond the 3-device limit of Digital Yacht&';s NMEA 2000 Starter Kit, users can use this 4-way T-piece to add another four additional devices. With male > female > female connectors, multiple T-pieces can be plugged together or added to the 4-way T-piece included in the starter kit. Also, The 4x lower "drop cable" connector is female so that there are no exposed pins when the drop cable is removed.*Digital Yacht can supply NMEA 2000 cables and connectors to expand the NMEA 2000 to whatever size is needed (up to the maximum 50 NMEA 2000 device limit).Features: NMEA 2000 4 x T-pieces Standard "Micro C" connectors make it very easy for future network expansion Metal connectors improve reliability Waterproof rating of IP68 Quick Guide (pdf)