- 2 - issue 9 bt8 phone pager connecting the telephone system to the public address makes the paging facility available to all. It gives everyone the opportunity to contact other members of staff easily and quickly - this avoids the need to contact reception and asking them to put out a call. The bt...
- 3 - issue 9 instructions when phone has mf signalling to record a message for broadcast 1. Caller dials into the designated extension number. 2. Caller will hear normal ringing. After 2 rings the bt8 is ready for the message. If the amplifier is busy the normal busy tone is heard. 3. A zone or zon...
- 4 - issue 9 instructions when the phone does not have mf signalling when using the bt8 with phones that do not have mf signalling the following steps have to be taken: sw2 must be selected to ‘on’. Sw3 must be set for either ‘live’ or ‘recorded’ messages to be broadcast. Using sw3 select as follow...
- 5 - issue 9 fig. 1 - connecting to a 2 wire analogue extension port ensure that lk1 and lk2 are fitted and with selector switch sw1, set 4 to off. Note: it may be necessary to move lk6 to the 2w position for european / international telephone systems or some isdn digital adapters fig. 2 - bt8 conn...
- 6 - issue 9 bt8 technical specification line connections ring voltage : 20-70v 17-25hz ren value : 1.0 cleardown (by either of the following) k break : interruption of line current voice operated switch : absence of caller speaking dial tone detector : 350-440hz from telephone switch dtmf tone : s...
- 7 - issue 9 * off on si g n al l ing m .F . T one s n o m .F . To n e s 2 * 2 w ir e s ta n da rd ex te n s io n p a gi ng p o rt 4 of f on lk 1 in ou t in ou t lk 2 l k 3 lk 4 ou t o ut in in in te rf ac e m o de * * 3 off on no m .F . T o n e s s e l e ct e d li v e re c o rd e d m e ss ag e r e...
