The CableTracker Network Tone and Probe Kit model CTK1015 is designed for network managers and technicians, Toning an active LAN circuit can disrupt network traffic and is difficult to track due to cable twist and tone bleed, The CableTracker Network Tone and Probe Kit features a Port ID function that blinks the link light verifying cable connectivity, This feature also provides a simple and effective method to identify switch or hub port assignments on active networks, Three different blink rates are provided to ensure compatibility with equipment from a wide range of manufacturers, Traditional toning with two different tone frequencies and patterns is provided for non-active circuit tracing, The CableTracker Network Toner Model CT10 has a female RJ-45 connector for easy network connection as well as an RJ-45 patch cord, Detachable alligator clips are included for connecting to punch down blocks or unterminated cables, Auto power down extends battery life and a built-in low battery indicator warns when battery replacement is required, The CableTracker Network Probe Model CT15 incorporates volume control non-conductive plastic tip and complete compatibility with existing toners, Features: Tests both active and inactive (dark) cables, Port ID function blinks the link light to identify a connected hub or switch port, Unique capability of user selectable blink rates for compatibility with the widest range of LAN equipment, Transmits four audible tones, Easy cable connection with either RJ-45 jack patch cord or alligator clips, Detects shorts using built-in continuity check, Auto power down and low battery indicator, Probe is ergonomically designed and provides an adjustable volume control, Includes Model CC2 carrying case, SKU: CTG3183