|Connects from (signal source - HOST output)|
|Connects to (signal destination - input)|
|Compatible with (OEM)|
i cable Nurse Call. Normally closed alarm output of ResMed Astral 150 ventilator. Includes 2 pieces uniquely engineered to improve the ruggedness of the vent alarm output. 1) Adapter ME550ASTRALC: 5 pin to 1/8″ phone jack and 2) Alarm cable ME590333N: 1/8″ two circuit phone plug to 1/4″ two circuit right angle phone plug.