i cable Nurse Call.  1/4″ two circuit phone plug alarm output of Hospira/Abbott Plum A infusion pump or Masimo ROOT monitor, Rad 8, Rad 87 and Rad 97 pulse oximeter to a 1/4″ two circuit right angle phone plug. Some device settings will determine open/closed status. When used with a normally open system protocol this device alarm cable is compatible with the Maguire Device Alarm Input Multiplier, which expands the headwall jack to allow simultaneous monitoring of up to three devices.