Telecom Behnke 10 Series Quick Reference Guide

22
SPECIFICATIONS
Type of connection: Analogue PSTN, a/b interface
Power supply: Via the a/b interface
Loop voltage: 20–70 V DC
Loop current: 20–60 mA
Additional power supply: 12 V DC potential-free +/–3 V, 500 mA max.
Note: Only necessary for illumination, camera, integrated heating, add-on amplifi-
er or 12-V DC supply to MLMs (SELV, EN 60950)
Use the Behnke plug-in power supply 20-9500 or another additional power-supply
unit in conjunction with the Behnke DC/DC converter 20-9506 – each plug-in power
supply can have 1 Behnke Telephone attached to it.
Termination: Z
R
to TBR 21
Detected ringing signal: Cannot be specified exactly, since it depends on amplitude, frequency
and duration of the ringing signal.
Detected busy signal: 400–450 Hz sine wave
Detected busy signal duration: Signals with 160–700 ms tone and 160–700 ms pause, respectively
Maximum allowable cable length: 10 m each (for MLM A, +MLM B, +MLM C, LS, MIC, T1 and T2) or 25 m each
(for LS, MIC, T1 and T2, if no other MLM is attached)
Number of direct-call buttons: 96 max. (applies to 20-0007 with twice the electronics extension 20-0057)
Phone numbers: 20 digits max.
Dialling mode: DTMF, 50/50 ms (tone/pause)
Pause before dialling: 4 seconds
Duration of connection: 1–9 minutes and ‘unlimited’ (safety limit at about 8 hours)
Door-opener code: 2 codes with a maximum of 4 digits each (for each relay)
Door-opening duration: 1–30 seconds in 1-second steps
Door-opener contacts: 2 units (2 switching relays)
Relay contact rating: 60 VA 24 W maximum: 0.5 A 120 V AC or 1 A 24 V DC (resistive load)
Additional power supply to MLMs: Max. current load 30 mA for each MLM
Security code: 4 digits
Programming: Local programming by means of dial pad/integrated configuration keyboard.
Remote programming with DTMF telephone (touch-tone telephone).
Remotely programmable with BNOS control station.
Memory: EEPROM, nonvolatile
Tested to: TBR 21 and EG 201121 (EU-wide network access)
EN 55022, EN 55024 (Electromagnetic Compatibility)
EN 60950 (Electrical Safety)

Telecom Behnke 10 Series Specifications

General

Brand	Telecom Behnke
Model	10 Series
Category	Intercom System
Language	English