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1.3.2 Characteristics

Terminal Equipment Loop Limit

• PT: KX-DT300/KX-T7600 series DPT: 90 W; all other DPTs/APTs:

40 W

• SLT: 600 W including set

• Doorphone: 20 W

• CS: 130 W; PT-interface CS: 65 W

Minimum Leakage Resistance

15 000 W minimum

Maximum Number of Extension

Instruments per Line

1. for PT or SLT

2. by Parallel or eXtra Device Port connection of an APT/DPT and

an SLT

3. by Digital eXtra Device Port connection of 2 DPTs and an SLT

Ring Voltage 75 Vrms at 20 Hz/25 Hz depending on the Ringing Load

Central Office Loop Limit

1600 W maximum

Hookswitch Flash Timing Range 24 ms to 2032 ms

Door Opener Current Limit 24 V DC/30 V AC, 1 A maximum

External Relay Current Limit 24 V DC/30 V AC, 1 A maximum

External Sensor Current Limit Power to the external sensor is provided from the EIO4 card and must

be grounded through the EIO4 card. For the connection diagram, refer

to "3.9.3 EIO4 Card (KX-TDA0164)". The PBX detects input from the

sensor when the signal is under 100 W.

Paging Terminal Impedance

600 W

MOH (Music on Hold) Terminal

Impedance

10 000 W

Document Version 2009-12 Installation Manual 33

1.3.2 Characteristics

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PURE M3700 Installationshandbuch Seite 33