Fits all HDS models and Gen2 models. This network starter kit includes 2 terminating resistors (TR-120M-RD TR-120F-RD) two t-connectors (N2K-T-RD) one 2ft extension cable (N2kEXT-2RD) and one 15 ft extension cable (N2kEXT-15RD) and a power node (N2K-PWR-RD). for use with all red network devices.