Characteristics - Panasonic KX-TD500 Installation Manual

1.6.2 Characteristics

Station Loop Limit
Analogue, Digital Proprietary Telephone
40 ohms
Single Line Telephone
600 ohms including set
Doorphone
20 ohms
Minimum Leakage Resistance
15,000 ohms
Maximum Number of Station Instruments per Line
1 for Analogue, Digital Proprietary Telephone, or Single Line Telephone
2 by Parallel or eXtra Device Port Connection of a Proprietary Telephone and a Single Line
Telephone
Ring Voltage
75 Vrms at 25 Hz depending on the Ringing Load
Primary Power
220-240 VAC, 50/60 Hz, 10 A max.
Central Office Loop Limit
1,600 ohms max.
Environmental Requirements
Temperature range : 0 – 40 °C (32 – 104 °F)
Rel. Humidity :10 – 90%
Hookswitch Flash Timing Range
204 – 1,000 milliseconds
System Outline
1.6 Specifications
35