4511 Speaker Station with Single Call Cord Jack 4511 Speaker provides call for via a call cord along voice The with a single jack for with CORNELL call cords. call is activated by pressing call cord button and a red indicates when a call has can then be by activating the station speaker from nurse station panel. Calls be cancelled by pressing cancel button. Removal of call cord will initiate a call the system annunciator or station. with 4511 stations a satin finish stainless designations. They be surface mounted or mounted on a standard outlet box. depth requirement is 2 Specifications: contractor shall furnish install CORNELL 4511 stations as indicated on plans.