User guide
Doortello Business
Issue 1.00
Page 46
Technical data
Power supply:
The telephone line should not have a open circuit voltage below 20 Vdc.
If it is lower an external power supply unit has to be used.
External power supply: 8 to 12 Vdc (MAXIMUM), max. 400 mA
Power consumption on
telephone line:
ca. 15 µA (standby)
18-60 mA (nominal)
Optical indicators:
One green and one red LED (only using key pad module)
Speakerphone:
Speech driven half-duplex speakerphone, full-duplex speakerphone,
manual switching speakerphone
Dial:
DTMF
DTMF tone detection: min. 50 ms duration
Busy tone detection:
350 - 480 Hz fully programmable
Ring back tone
detection:
350 - 480 Hz fuly programmable
Line impedance:
600 Ohm or Zr selectable
Programming:
using a phone and DTMF tones
Call answer:
automatic or manual (programmable)
Ring voltage detection: 24 to 90 Vac (with or without dc voltage superimposion), 25 to 50 Hz
Integrated driver contact
power:
40 V ac/dc, 2 A max.
Casing:
ABS case and 2 mm 316L (V2A) stainless steel panel (ES version only)
Protection degree:
IP 55 (ES version)
Dimensions HxLxD:
94 x 86 x 22 mm (BG)
100 x 92 x 25 mm (ES)
Weight:
100g (BG)
350g (ES)
Working temperature: -20° bis +50°C (with external power supply)
Humidity:
30 to 90% relative humidity without condensing
Security:
EN 60950, 2006/95/CE
EMC:
EN 55022:2006; EN 61000-6-1:2002
, 2004/108/CEE
Telecom:
ETSI EN 301 437; TBR 21
Approvals:
R&TTE, CE
Further norms
compliance:
WEEE, RoHS