BT Versatility - Technical Specification

Technical specification
Type of system Hybrid/PBX
ISDN 2 line Max 4 ISDN (2B+D) Basic Rate lines
Analogue lines Max 8 Loop calling Guarded clear analogue lines
Terminals Max 33 V standard terminal
Max 32 V 8 – 8 key Featurephone
Max 32 V 16 – 16 key Featurephone
Max 8 V 16 expansion console – Additional 32 programmable keys
Or approved apparatus
Extension capacity 33 (32 + External extension)
Featurephone capacity 32
Standard 2-wire apparatus capacity 33 (32 + external extension)
Extension loop resistance 100 ohms (0.7 km) 4-wire Featurephones
200 ohms (1.4km) Standard Telephone
336 ohms (2 km) extension 52 only supplied on the Options Module
System REN 40
Extension REN 2 (see above for system max.)
Central bell Separate port. In the Options module
Central Bell REN 2 (see above for system max)
Extension cabling Standard 4 wire
Twisted pair 0.5 mm
2
cu
Central control unit (CCU) 008 Height 390 mm
Width 295 mm
Depth 160 mm
Weight 3.5 kg
Maximum capacity system 8+32 CCU Height 390 mm
Width 595 mm
Depth 160 mm
Weight 6.1 kg
Battery 12 V/7.2 AH
Mains supply voltage 230 ± 10% V 50 Hz
Maximum power consumption 120 watts
Standard 2-wire telephone signalling DTMF
Standard 2-wire telephone recall signal Timed break
Serial Port 8 bit, no parity, 1 stop bit speed programmable 115k2,
Voicemail Capacities 2 Port, 2 hours messaging capacity supporting 33 mailboxes,
10 Phantom Voice Boxes, 20 Group Boxes
4 Port -,4 hours messaging capacity supporting 33 mailboxes,
10 Phantom Voice Boxes, 20 Group Boxes
Maximum message length is defaulted at 1 minute but is
programmable up to 3 minutes
Music on hold External calls only
External Music On Hold
Tone on hold 200 ms on 200 ms off, 200 ms on 3.4 s off
External Music on hold Stereo jack connector
Input impedance 10k ohm
Nominal 775 mV RMS
External Paging Port Output Level 25 - 32mA Impedance 600 ohm
System speed dials Max. 500
Extension current and voltage feed Voice 40 volts 25 mA constant current
Data 40 volts 10 mA constant current
BT Versatility
Installation and Maintenance Manual
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