PHILIPS CLASS B USB PATIENT CABLE (989803164281) for PageWriter TC30, TC50, TC70, 860306, 860310, 860311, 860315, 860316 EKG Cardiographs. Connects to a 5 pin EKG Machine and 8 pin Patient Interface Module (PIM) socket (860306/H21) (861311/H21) (860316/H21). The reusable cable is 6.6 feet in length (2m). The Philips Class B USB Patient Data Cable is premium in communicating data from patient to ECG. Priced per each.