A physiological monitor includes a cleat adapted to be securable to a subject such as a patient. The cleat includes an A electrode which includes an A electrode connector portion. The cleat also includes a B electrode which includes a B electrode connector portion. An equipment module is removably attached or removably attachable to the cleat in a transverse direction. The equipment module has an A module connector portion and a B module connector portion arranged such that the A and B module connector portions connect with the A and B electrode connector portions respectively when the equipment module is connected to the cleat thereby placing the cleat and equipment module in signal communication with each other.
