BT Versatility - Manual (Page 56)

BT Versatility
Installation and Maintenance Manual
55
External Music on hold Stereo jack connector (on Options Module)
Input impedance 10k ohm
Nominal 775 mV RMS
MOH Module (if no Options Module installed)
Input impedance 1k6 ohm
Nominal 200 mV RMS
External Paging Port
Output Level 25 - 32mA Impedance 600 ohm
System speed dials Max. 500
Extension current and voltage feed Voice 36.5 volts 25 mA constant current
Data 40 volts 10 mA constant current
Dial tone duration 10 s
Programming Featurephone (default extension 20) or PC Wizard through serial port
Remote access On ISDN or Analogue Lines. (Built in V32bis modem)
Ringing voltage/frequency ± 40 V 50 Hz (trapezoid)
Ringing cadences
Incoming call 400 ms on 200 ms off,
400 ms on 2.0 s off
Internal call 1 s on 2 s off
Door intercom call 400 ms on 2.6 sec off
Call recalling 1s on 400 ms off,
400 ms on 1.2 s off
Tone frequencies 440 Hz ±5 Hz, unless stated otherwise
Tone cadences Dial Tone Continuous tone of 440 Hz ±5%
and 350 Hz ±5% combined
Special dial tone 800 ms on 800ms off of 440 Hz ±5%
and 350 Hz ±5% combined
Ringback tone 1 sec on 2 sec off
Busy tone 500 ms on 500 ms off
Congestion tone 200 ms on 200 ms off
Hold tone 200 ms on 200 ms off,
200 ms on 3.4 s off
Conference tone One burst of 400 ms
NU tone Continuous tone
Call waiting tone 100 ms on 4.9 s off
Environmental requirements
Normal working temperature 0
°
C to 40
°
C
Working humidity (non-condensing) 5% to 95%
Storage temperature -40
°
C to +85
°
C
Storage humidity 5% to 95% @60
°
C
Doorstrike relay contact Max rating 24 Volts DC
2 Amps
Safety and protection
EN55022, EN55024, EN60950
Door Intercom Size Height 203 mm
Width 73 mm
Depth 38 mm
Colour of System
Charcoal ref: Pantone 432C
Internet Module Info
LAN 4 x 10/100 Base-Tx ports
ADSL 10 Base-T output for an external ADSL modem