21
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
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.
Handset
Support hook
protection
Integrated, adjustable support hook protection
Summary of Contents for FHF ResistTel MB
Page 1: ...FHF BA9700 24 11 21 Robustes wetterfestes Telefon Betriebsanleitung...
Page 6: ...6 Ger te bersicht Au enansicht Telefon Unterteil Innenansicht Telefon Oberteil...
Page 7: ...7 Ger te bersicht Innenansicht Telefon Unterteil Tastatur Kabeleinf hrung...
Page 26: ...26 nderungen und Irrtum vorbehalten Copyright...
Page 27: ...FHF BA9700 24 11 21 Robust weather resistant telephone Operating instructions...
Page 52: ...26 Changes and errors excepted Copyright...
Page 53: ...FHF BA9700 24 11 21 Resistente tel fono para uso a la intemperie Instrucciones de servicio...
Page 78: ...26 Salvo modificaci n y error...
Page 79: ...FHF BA9700 24 11 21 T l phone robuste et r sistant aux intemp ries Mode d emploi...
Page 104: ...26 Sous r serve de modifications et d erreurs Copyright...