Section 700 - Operation Chapter 5. Key Telephone Features576-51-700 DBS 576 (USA) issued April 2002 5-45DSS/72 ConsoleDescriptionThe DSS/72 console is a 72-key console that can be attached to a key telephone. The 72 keys on theDSS/72 can be programmed as Direct Station Select (DSS) keys for internal lines.In addition to providing direct station selection, the DSS keys also provide Busy Lamp Fields (BLFs)that allow you to monitor the status of other extensions. The LED lights red when the assignedextension is busy, and lights green when Call Forwarding or Do-Not-Disturb (DND) are activated.For additional information, see “Flexible Function Keys” on page 5-46.Hardware Requirements• VB-44320Related Programming• FF4: FF Key AssignmentConsiderations• Pressing a DSS key while connected to an outside line places the line on hold.• A maximum of 12 DSS/72 consoles can be connected to a 96-port system.EM/24 ConsoleDescriptionThe EM/24 is a 24-key console that can be attached to a key telephone. The 24 keys on the EM/24 canbe programmed as Direct Station Select (DSS) keys for internal lines.In addition to providing direct station selection, the DSS keys also provide Busy Lamp Fields (BLFs)that allow you to monitor the status of other extensions. The LED lights red when the assignedextension is busy and lights green when Call Forwarding or Do-Not-Disturb (DND) are activated.For additional information, see “Flexible Function Keys” on page 5-46.Hardware Requirements• VB-44310Related Programming• FF4: FF Key AssignmentConsiderations• N/A