Planet “T” adapters of printed circuit design provide high performance (meet cat.3 transmission requirement ) and flexibility in different wiring application. “T” adapter converts an RJ45 8 position plug with 0.5ft round cable into two RJ45 8 position jacks at different wiring. Adapters are available as “Splitters” which convert one 4-pair jack into two 2-pair jack into one 1-pair and 3-pair jack.