Table of Contents1 Safety Precautions .................................................................................131.1 For Your Safety ...............................................................................................................141.2 Important Safety Instructions ........................................................................................201.3 Precautions ......................................................................................................................211.4 Data Security ...................................................................................................................222 System Outline .......................................................................................232.1 Basic System Construction ...........................................................................................242.1.1 System Configurations ...................................................................................................242.1.2 System Connection Diagram ..........................................................................................262.2 Optional Equipment ........................................................................................................292.2.1 Optional Equipment ........................................................................................................292.3 Specifications ..................................................................................................................322.3.1 General Description ........................................................................................................322.3.2 Characteristics ................................................................................................................342.3.3 System Capacity ............................................................................................................353 Information about the Activation Keys ................................................473.1 Information about the Activation Keys .........................................................................483.1.1 Type and Maximum Number of Activation Keys ............................................................483.1.2 Activation Key Code and Key Management System ......................................................563.1.3 Using CTI Applications ...................................................................................................574 Installation ..............................................................................................594.1 Before Installation ...........................................................................................................604.1.1 Before Installation ...........................................................................................................604.2 Installation of the PBX ....................................................................................................624.2.1 Unpacking ......................................................................................................................624.2.2 Names and Locations .....................................................................................................634.2.3 Opening/Closing the Top Cover .....................................................................................654.2.4 Frame Earth Connection ................................................................................................674.2.5 Installing/Removing the Optional Service Cards ............................................................684.2.6 Installing/Removing the SD Memory Card .....................................................................824.2.7 Types of Connectors ......................................................................................................854.2.8 Attaching a Ferrite Core .................................................................................................874.2.9 19-inch Rack Mounting ...................................................................................................884.2.10 Wall Mounting .................................................................................................................894.2.11 Surge Protector Installation ............................................................................................934.2.12 Backup Battery Connection ............................................................................................964.3 The Mother Board and Expansion Cards ......................................................................984.3.1 Mother Board ..................................................................................................................984.3.1.1 Mother Board - KX-NS500 ...........................................................................................984.3.1.2 Mother Board - KX-NS520 .........................................................................................1004.3.2 SD Memory XS Card (KX-NS5134), SD Memory S Card (KX-NS5135), SD Memory MCard (KX-NS5136) .......................................................................................................1014.3.3 DSP S Card (KX-NS5110), DSP M Card (KX-NS5111), DSP L Card(KX-NS5112) ................................................................................................................1024.3.4 LCOT6 in KX-NS500 (installed by default) ...................................................................1044.3.5 DLC2 in KX-NS500 (installed by default) .....................................................................1074.3.6 MCSLC16 in KX-NS500 (installed by default) ..............................................................1084.3.7 EXP-S in KX-NS520 (installed by default) ....................................................................1104.3.8 PFT in KX-NS520 (installed by default) ........................................................................11110 Installation ManualTable of Contents