22
Technical Data
Connection data
Supply voltage
24 V
DC
up to 66 V
DC
Supply current
15 mA
DC
up to 100 mA
DC
Ringing alternating
current
24 V
AC
up to 90 V
AC
(at 21...54 Hz ring tone
frequency
30 V
AC
up to 90 V
AC
(at 16.6...54 Hz ring tone
frequency
Tone call
impedance
Over 6.0 k
Ω
at 25 Hz and 24...90 V
AC
Over 4.0 k
Ω
at 50 Hz and 24...90 V
AC
Second call button Flash length can be selected from 80 ms, 120 ms
and 600 ms
Dialling procedure Tone dialling and impulse dialling
Tone dialling according to ITU-T Q.23.
Impulse dialling at an impulse to pause ratio of
1.5:1 or 2:1
Trunk access code One trunk access code, maximum 5 digits
Dial pause after
trunk access code
1 s up to 5 s
W conductor
For connecting an external secondary sounder
External speaker
Clamps for connecting an external speaker
(optional accessory)
Headset
Clamps for connecting a headset.
(optional accessory)
Note: You can connect a headset or a second
headset, but not both at the same time!
Second headset
Clamps for connecting a second headset
(optional accessory)
Note: You can connect a headset or a second
headset, but not both at the same time!
Connection
terminals
Up to 4 mm
2
rigid
Up to 2.5 mm
2
flexible
Housing
Material
Fibreglass reinforced polyester
Height x Width x
Depth
cca. 260 mm x 228 mm x 135 mm
Weight
cca. 5.5 kg
Keypad
- Metal keypad protected against icing
- 21 keys with the appropriate inscription
Operating position
Vertical wall-mounted. The device can be installed
only on a level surface.
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