The ‘ADAPTER VENTILATOR 9-PIN FEMALE TO ETHERNET CABLE NULL MODEM WJUMPER THUMBSCREW DBPF-RJ45 – 16392’ is a specialized cable adapter designed for ventilator systems. This product features a 9-pin female connector on one end and an Ethernet cable on the other, allowing for seamless data transmission. It is equipped with a null modem and a jumper thumbscrew for secure connections. This adapter is sold individually. Please note that this product is intended for use with specific ventilator models and systems, so ensure compatibility before purchase.