CORNELL 4511 Speaker Station provides call for help via a call cord along with voice communication. Operation/Description: The 4511 bedside station is equipped with a single jack for use with CORNELL call cords. A call is activated by pressing the call cord button and a red LED indicates when a call has been placed. Two-way communication can then be established by activating the bedside station speaker from the nurse station panel. Calls can be cancelled by pressing the cancel button. Removal of the call cord will initiate a call at the system annunciator or nurse station. Description: 4511 stations feature a satin finish stainless steel faceplate with silk-screened designations. They may be surface mounted or flush mounted on a standard 3-gang outlet box. The depth requirement is 2" Engineers Specifications: The contractor shall furnish and install CORNELL 4511 bed stations as indicated on the plans.