Table of ContentsInstallation Manual 152.4.8 ESLC Card (KX-TD50175) ......................................................................................1002.4.9 Maximum cabling distance of the extension line cord (twisted cable) .....................1012.4.10 Extension Connection of KX-A204 (Cable)/KX-A205 (Clip Terminal) ................1022.4.11 Cable Pin Numbers for Extension Lines .................................................................1032.4.12 Parallel Connection of the Extensions.....................................................................1212.4.13 Extra Device Port (XDP) Connection .....................................................................1232.5 Trunk Cards................................................................................................................1242.5.1 LCOT Card (KX-T96180).........................................................................................1242.5.2 GCOT Card (KX-T96181) ........................................................................................1252.5.3 DID Card (KX-T96182)............................................................................................1262.5.4 T1 Digital Trunk Card (KX-T96187)........................................................................1282.5.5 ELCOT Card (KX-TD50180) ...................................................................................1312.5.6 BRI Card (KX-TD50288) .........................................................................................1322.5.7 PRI23 Card (KX-TD50290)......................................................................................1332.5.8 Central Office Line Connection of KX-A204 (Cable)/KX-A205 (Clip Terminal) ...1342.5.9 Cable Pin Numbers for CO Lines .............................................................................1352.6 Resource Cards...........................................................................................................1412.6.1 DISA Card (KX-T96191)..........................................................................................1412.6.2 AGC Card (KX-T96193)...........................................................................................1422.6.3 RMT Card (KX-T96196) ..........................................................................................1432.6.4 ERMT Card (KX-TD50197) .....................................................................................1442.7 Other Cards ................................................................................................................1452.7.1 CPU Card (KX-TD50101) ........................................................................................1452.7.2 OHCA Card (KX-T96136)........................................................................................1462.7.3 DPH Card (KX-T96161) ...........................................................................................1502.7.4 Caller ID Card (KX-TD193) .....................................................................................1552.8 Peripheral Equipment................................................................................................1572.8.1 External Pager (Paging Equipment) ..........................................................................1572.8.2 External Music Source ..............................................................................................1582.8.3 Personal Computer/Printer ........................................................................................1592.9 Auxiliary Connection for Power Failure Transfer ..................................................1632.9.1 Auxiliary Connection for Power Failure Transfer.....................................................1632.10 Starting Up the KX-TD500 System ........................................................................1652.10.1 System Power-Up Procedure...................................................................................1652.10.2 CPU Rotary-Switch Features ..................................................................................1662.10.3 CPU RAM Test .......................................................................................................1702.10.4 System Status and LED Indicators..........................................................................1712.10.5 CPU Jumper Switch Setting ....................................................................................1722.11 Lightning Protectors ................................................................................................1732.11.1 Lightning Protectors ................................................................................................1733 Maintenance Console Guide3.1 Installing PC Programming Software ......................................................................1803.1.1 System Requirements ................................................................................................1803.1.2 Starting Setup ............................................................................................................1813.2 Structure of the Maintenance Console .....................................................................1853.2.1 Structure of the Maintenance Console ......................................................................1853.3 Basic Operation ..........................................................................................................1873.3.1 Main Menu Screen ....................................................................................................187