Appendix 5-75.2 SpecificationsSystem CapacityControl MethodSwitchingPower SuppliesDiallingIntercom PathsConnectorExtension Connection CableSMDR (Station Message DetailRecording)Extension Loop LimitMinimum Leakage ResistanceMaximum Number of ExtensionInstruments per LineRing VoltageLocal Exchange Loop LimitEnvironmental RequirementsRecall Timing RangeAbility To Recognise FurtherDigitsExchange Lines: 3 max. (6 max. with 3-CO Line & 8 Ext ExpansionCard)Extensions : 8 max. (24 max. with 3-CO Line & 8 Ext ExpansionCard and 8 SLT Extension Expansion Card)CPU: 16 bit CPUControl ROM: 4 Mbit, Control RAM: 1 MbitSpace Division CMOS Crosspoint SwitchPrimary: 230 V AC – 240 V AC, 50 Hz (0.5 A)Secondary: Circuit Volt (+5 V, +26 V)Dial Pulse (DP):10 pps, 20 ppsTone (DTMF) Dialling, DTMF–DP4Exchange Lines : 2-pin Modular Connector (RJ11)Extensions/Doorphone: 4-pin Modular ConnectorPager/Music Source : EIAJ RC-6701 A plug (two-conductor, ø 3.5 mmin diameter)KX-T7020 / KX-T7130 / KX-T7050 . . . . . . .2 pair wire (A, B, H, L)Single Line Telephones . . . . . . . . . . . . . . . . . . . . . .1 pair wire (A, B)Interface : Serial Interface (RS-232C) (D-SUB, 9-pin)Output Equipment: PrinterDetail Recording : Date, Time, Extension Number, Exchange LineNumber, Dialled Number, Call Duration, AccountCodeKX-T7020 / KX-T7130 / KX-T7050 . . . . . . . . . . . . . . . . . . . . . .40 ΩSingle Line Telephones . . . . . . . . . . . . . . . . . . . . .600 Ω including setDoorphones . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20 Ω15 000 Ω1 for a KX-T7020 / KX-T7130 / KX-T7050 or single line telephone2 for by parallel connection of a proprietary telephone and a single linetelephone80 Vrms at 25 Hz depending on the Ringing Load1 600 Ω max.0 ˚C – 40 ˚C, 10 % – 90% relative humidity80 ms – 1 000 msThe KX-TA624 is capable of accepting and acting upon routinginformation received from a proprietary telephone for 10 seconds, afterthe latest routing information has been received.(Satisfies BS6450:Part 1 1993 Clause 13.5.)