Technical Specification - BT Versatility Installation And Maintenance Manual

BT Versatility
Installation and Maintenance Manual

Technical specification

Type of system
ISDN 2 line
Analogue lines
Terminals
Extension capacity
Featurephone capacity
Standard 2-wire apparatus capacity
Extension loop resistance
System REN
Extension REN
Central bell
Central Bell REN
Extension cabling
Central control unit (CCU) 008
Maximum capacity system 8+32 CCU
Battery
Mains supply voltage
Maximum power consumption
Standard 2-wire telephone signalling
Standard 2-wire telephone recall signal
Serial Port
Voicemail Capacities
Music on hold
Tone on hold
External Music on hold
External Paging Port
System speed dials
Extension current and voltage feed
54
Hybrid/PBX
Max 4 ISDN (2B+D) Basic Rate lines
Max 8 Loop calling Guarded clear analogue lines
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
33 (32 + External extension)
32
33 (32 + external extension)
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
40
2 (see above for system max.)
Separate port. In the Options module
2 (see above for system max)
Standard 4 wire
Twisted pair 0.5 mm 2 cu
Height 390 mm
Width 295 mm
Depth 160 mm
Weight 3.5 kg
Height 390 mm
Width 595 mm
Depth 160 mm
Weight 6.1 kg
12 V/7.2 AH
230 ± 10% V 50 Hz
120 watts
DTMF
Timed break
8 bit, no parity, 1 stop bit speed programmable 115k2,
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
External calls only
External Music On Hold
200 ms on 200 ms off, 200 ms on 3.4 s off
Stereo jack connector
Input impedance 10k ohm
Nominal 775 mV RMS
Output Level 25 - 32mA Impedance 600 ohm
Max. 500
Voice 40 volts 25 mA constant current
Data 40 volts 10 mA constant current