14 Installation Manual2.4.12 IP-GW4E Card ................................................................................................................1032.4.13 IP-GW16 Card................................................................................................................. 1052.5 Installation of the Extension Cards .............................................................................1072.5.1 CSIF4 and CSIF8 Card ...................................................................................................1072.5.2 DHLC8 Card....................................................................................................................1092.5.3 DLC8 Card ......................................................................................................................1122.5.4 DLC16 Card ....................................................................................................................1142.5.5 SLC8 Card ......................................................................................................................1162.5.6 EXT-CID Card ................................................................................................................. 1182.5.7 SLC16 and MSLC16 Cards............................................................................................. 1192.5.8 IP-EXT16 Card................................................................................................................1212.6 Installation of the Other Cards.....................................................................................1232.6.1 OPB3 Card......................................................................................................................1232.6.2 DPH4 Card......................................................................................................................1242.6.3 DPH2 Card......................................................................................................................1262.6.4 EIO4 Card .......................................................................................................................1292.6.5 ECHO16 Card ................................................................................................................. 1322.6.6 MSG4 Card .....................................................................................................................1332.6.7 CTI-LINK Card ................................................................................................................1342.7 Connection of Extensions............................................................................................1362.7.1 Maximum Cabling Distances of the Extension Wiring (Twisted Cable) ...........................1362.7.2 Parallel Connection of the Extensions ............................................................................1372.7.3 Digital EXtra Device Port (Digital XDP) Connection........................................................1392.7.4 First Party Call Control CTI Connection ..........................................................................1442.8 Connection of DECT Portable Stations....................................................................... 1452.8.1 Overview .........................................................................................................................1452.8.2 Procedure Overview........................................................................................................ 1472.8.3 Site Planning ................................................................................................................... 1492.8.4 Before Site Survey ..........................................................................................................1532.8.5 Site Survey Using the KX-TCA255/KX-TD7590.............................................................. 1572.8.6 After Site Survey .............................................................................................................1612.8.7 Connecting a Cell Station to the Hybrid IP-PBX .............................................................1622.8.8 Wall Mounting ................................................................................................................. 1712.9 Connection of 2.4 GHz Portable Stations ...................................................................1732.9.1 Overview .........................................................................................................................1732.9.2 Procedure Overview........................................................................................................ 1752.9.3 Site Planning ................................................................................................................... 1772.9.4 Before Site Survey ..........................................................................................................1812.9.5 Site Survey......................................................................................................................1832.9.6 After Site Survey .............................................................................................................1872.9.7 Connecting a Cell Station to the Hybrid IP-PBX .............................................................1882.9.8 Wall Mounting ................................................................................................................. 1962.10 Connection of Doorphones, Door Openers, External Sensors, and External Relays....1982.10.1 Connection of Doorphones, Door Openers, External Sensors, and External Relays .....1982.11 Connection of Peripherals ........................................................................................... 2012.11.1 Connection of Peripherals ...............................................................................................2012.12 Power Failure Connections ..........................................................................................2052.12.1 Power Failure Connections ............................................................................................. 2052.13 Starting the Hybrid IP-PBX........................................................................................... 2092.13.1 Starting the Hybrid IP-PBX ............................................................................................. 209