Chapter 4 - Terminals and Optional EquipmentChapter 4 4 - 27SECTION 4-9FULL DUPLEX SETTING4.9.1 Full Duplex Setting for TerminalsFull-duplex mode for conversations allows both parties to talk and be heard simultaneously. All of the UX5000IP terminals are full-duplex and this cannot be changed. The UX5000 digital keysets are full-duplex - exceptthe 6-Button or 2-Button terminals which are half-duplex). If required, this setting can be changed on the digitalterminals to half-duplex mode. The following installation instructions can be used for the Enhanced 12-Buttonor 24-Button, or DESI-Less terminals.4.9.2 Programming the Digital Terminal for the Full Duplex1. With the Enhanced 12-Button or 24-Button, or DESI-Less terminal not plugged in and the handset on-hook, press the “4” and “6” buttons on the dial pad and connect the terminal cables.● This places the terminal into Service Class R/W mode. The MW LED will not be lit.2. Press “8” to enter the Full Duplex (FDS) mode.3. Push “1” to set to off or “2” to set to on.4. Save to memory by pressing line key 2, 8, 14, or 20. The display changes back to the Service Class R/Wmode and the MW LED will be lit red.5. Press Exit to return the terminal to idle condition.
