Characteristics - Panasonic KX-TDA50 Installation Manual

1.4.2

Characteristics

Terminal Equipment Loop Limit
Minimum Leakage Resistance
Maximum Number of Extension
Instruments per Line
Ring Voltage
Central Office Loop Limit
Hookswitch Flash Timing Range
Door Opener Current Limit
External Relay Current Limit
External Sensor Current Limit
Paging Terminal Impedance
MOH Terminal Impedance
PT: KX-T7600 series: 90 Ω; all other DPTs/APTs: 40 Ω
•
SLT: 600 Ω including set
•
Doorphone: 20 Ω
•
PT-interface CS: 65 Ω
•
15 000 Ω minimum
1 for PT or SLT
2 by Parallel or eXtra Device Port connection of a PT and an SLT
3 by Digital eXtra Device Port connection of two DPTs and an SLT
75 Vrms at 20 Hz/25 Hz depending on the Ringing Load
1600 Ω maximum
24 ms to 2032 ms
24 V DC/30 V AC, 1 A maximum
24 V DC/30 V AC, 1 A maximum
Power to the external sensor is provided from the DPH4 card and must be
grounded through the DPH4 card. For the connection diagram, refer to
"2.5.1 DPH4 Card". The Hybrid IP-PBX detects input from the sensor
when the signal is under 100 Ω.
600 Ω
10 000 Ω
1.4 Specifications
Installation Manual 25