Introduction
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Instructions for Series 5 / 10
2.2. Technical Specifications
Connection type: analogue telephone line, a/b port
Power supply: via the a/b port
Coil tension: 20-70 VDC
Coil current: 20-60 mA
Additional power supply: 12 V = potential-free +/- 3 V, max. 1200 mA
Behnke power supply unit or any other additional power supply
in connection with a Behnke DC-DC converter;
one Behnke Intercom station per power supply unit
Terminal: ZR according to TBR 21
Recognised caller signal: cannot be specified exactly, as it depends on the signal’s
amplitude, frequency and interval
Recognised busy signal: 300-500 Hz sinus
Recognised busy signal interval: Signal tones for 160-700 ms or pauses for 160-700 ms
respectively
Dialling methods: DTMF dialling, 50/50 ms (tone/pause)
Built-in relay: One piece (one switch relay)
Relay switch power: max. 60 VA/24 W: 0,5 A, 120 V~/1 , 24 V =(resistive load)
Memory: EEprom, non-volatile
Tested according to: TBR 21 as well as EC 201 121 (EU-wide network access)
EN 55022, EN 55024 (electromagnetic compatibility)
EN 60950 (product safety)
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