Important Information
This equipment should be used on PSTN lines requiring
The equipment must be connected to direct extension lines and a payphone should not be connected as an extension.
Operation in Power Failure
In the event of a power failure, CO2 is connected to extension 22 automatically.
•Set the Dialling Mode (Tone or Pulse) of your telephone, according to the CO line.
•999 and 112 can be dialled on the apparatus for the purpose of making outgoing calls to the BT emergency (999) and (112) service.
Satisfactory performance can not be guaranteed for every allowed combination of host and subsidiary apparatus.
999 and 112 can be dialled on the apparatus after accessing the CO line for the purpose of making outgoing calls to the BT emergency (999) and (112) service.
During dialling, this apparatus may tinkle the bells of other telephones using the same line. This is not a fault and we advise you not to call Fault Repair Service.
‘Prevention of access by user. This apparatus is intended to be accessible only to authorized personnel. This apparatus must be installed in a locked room or similar environment, such that user access is prevented. Failure to prevent such user access will invalidate any approval given to this apparatus.’
Caution:
Do not push the PAUSE button more than twice following the initial access digit (or digits). Failure to comply with this requirement may result in unsatisfactory operation.
Notice:
This PBX should only be used on B•T lines on which specific BT services or facilities are provided.
CAUTION
Danger of explosion if battery is incorrectly replaced.
Replace only with the same or equivalent type
recommended by the manufacturer. Dispose of used batteries according to the manufacturer's instructions.
4