Table of Contents 92.4.9 Maximum cabling distance of the extension line cord (twisted cable) .......................932.4.10 Extension Connection of KX-A204 (Cable)/KX-A205 (Clip Terminal) ..................942.4.11 Cable Pin Numbers for Extension Lines ...................................................................952.4.12 Parallel Connection of the Extensions.....................................................................1072.4.13 Extra Device Port (XDP) Connection .....................................................................1092.5 Trunk Cards................................................................................................................1102.5.1 LCOT Card (KX-T96180).........................................................................................1102.5.2 GCOT Card (KX-T96181) ........................................................................................1112.5.3 DID Card (KX-T96182) ............................................................................................1122.5.4 DID-MFC Card (KX-T96182CE) .............................................................................1132.5.5 DID-2W Card (KX-T96182D) ..................................................................................1142.5.6 RCOT Card (KX-T96183).........................................................................................1152.5.7 E&M Card (KX-T96184) ..........................................................................................1162.5.8 T1 Digital Trunk Card (KX-T96187) ........................................................................1202.5.9 E1 Digital Trunk Card (KX-T96188) ........................................................................1232.5.10 PCOT Card (KX-T96189) .......................................................................................1252.5.11 ELCOT Card (KX-TD50180) .................................................................................1262.5.12 BRI Card (KX-TD50288)........................................................................................1272.5.13 PRI30 Card (KX-TD50290) ....................................................................................1282.5.14 Central Office Line Connection of KX-A204 (Cable) /KX-A205 (Clip Terminal) 1292.5.15 Cable Pin Numbers for CO Lines............................................................................1312.5.16 E&M Line Connection of KX-A204 (Cable) /KX-A205 (Clip Terminal)..............1392.5.17 Cable Pin Numbers for E&M Lines ........................................................................1402.6 Resource Cards ...........................................................................................................1452.6.1 DISA Card (KX-T96191)..........................................................................................1452.6.2 AGC Card (KX-T96193)...........................................................................................1462.6.3 RMT Card (KX-T96196) ..........................................................................................1472.6.4 ERMT Card (KX-TD50197) .....................................................................................1482.7 Other Cards ................................................................................................................1492.7.1 OHCA Card (KX-T96136)........................................................................................1492.7.2 DPH Card (KX-T96161) ...........................................................................................1532.7.3 Caller ID Card (KX-TD193) .....................................................................................1582.7.4 TSW Conference Expansion Card (KX-TD50104) ..................................................1592.7.5 DOHCA Card (KX-TD50105) ..................................................................................1602.7.6 Pay Tone Card (KX-TD50189) .................................................................................1612.8 Peripheral Equipment................................................................................................1622.8.1 Battery Adaptor (KX-A46)........................................................................................1622.8.2 External Pager (Paging Equipment) ..........................................................................1642.8.3 Music Source (External / Internal) ............................................................................1652.8.4 Personal Computer/Priner .........................................................................................1662.9 Auxiliary Connection for Power Failure Transfer...................................................1702.9.1 Auxiliary Connection for Power Failure Transfer.....................................................1702.10 Starting Up the KX-TD500 System.........................................................................1722.10.1 System Power-Up Procedure...................................................................................1722.10.2 CPU Rotary-Switch Features ..................................................................................1732.10.3 CPU RAM Test........................................................................................................1772.10.4 System Status and LED Indicators ..........................................................................1782.11 Lightning Protectors ................................................................................................1792.11.1 Lightning Protectors ................................................................................................179