Panasonic KX-TDA30

5.4 Specifications — KX-TDA30
Installation Manual 245
5.4.2 Characteristics
Terminal Equipment Loop Limit
• PT: KX-T7600 series: 90 ; all other DPTs/APTs: 40
• SLT: 600 including set
• Doorphone: 20
• PT-interface CS: 65
Minimum Leakage Resistance
15 000 minimum
Maximum Number of Extension
Instruments per Line
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
Ring Voltage 75 Vrms at 20 Hz/25 Hz depending on the Ringing Load
Trunk Loop Limit
1600 maximum
Hookswitch Flash/Recall
Timing Range
24 ms to 2032 ms
BRI Cards Internal ISDN Mode Supply Voltage: 40 V
Power Supply: 4.5 W per 1 line, 5 W per 2 lines
Power Supply Method: Phantom Power Supply
Door Opener Current Limit 24 V DC/30 V AC, 1 A maximum
Paging Terminal Impedance
600
MOH Terminal Impedance
10 000