System Outline
Installation Manual 31
1.5 Specifications
1.5.1 General Description
Control Method CPU: 16-bit CPU
Switching Non Blocking PCM Time Switch
Power Supplies Primary 120 V AC, 60 Hz
Secondary Station Supply Volt: 30 V
Circuit Volt: 5 V, 15 V
Power Failure • Memory backup duration: seven years with a factory-provided
lithium battery
• 4 outside lines max. for KX-TD816 and 6 outside lines max. for
KX-TD1232 automatic transfer to extensions (Power Failure
Transfer)
Dialing Outward Dial Pulse (DP) 10 pps, 20 pps
Tone (DTMF) Dialing
Internal Dial Pulse (DP) 10 pps, 20 pps
Tone (DTMF) Dialing
Connectors Outside lines Modular Jack (RJ14C)
Extensions KX-TD816: Modular Jack
KX-TD1232: Amphenol Connector
Paging Output Pin Jack (RCA JACK)
External
Music Input
Two-conductor Jack (MINIJACK 3.5 mm diameter)
Extension Connection Cable Single line telephones 1 pair wire (T, R)
KX-T7420, KX-T7425, KX-T7431,
KX-T7433, KX-T7436, KX-T7220,
KX-T7230, KX-T7235, KX-T7250
1 pair wire (D1, D2) or
2 pair wire (T, R, D1, D2)
KX-T7130, KX-T7135 (with the KX-
TD816),
KX-T7320, KX-T7335, KX-T7350,
KX-T7020, KX-T7030, KX-T7050,
KX-T7055
2 pair wire (T, R, D1, D2)
KX-T7130, KX-T7135 (with the KX-
TD1232)
3 pair wire (T, R, D1, D2,
P1, P2)
KX-T7440, KX-T7441, KX-T7240,
KX-T7040
1 pair wire (D1, D2)
