User guide

6
INSTALLATION
Site and Cabling Requirements
Ensure that all of the following requirements are adhered to:
• Avoid locations that will expose the MULTI 5 to excess heat, dust, excessive humidity and
especially, damp and condensation, e.g. do not install the MULTI 5 in bathrooms.
• Avoid locations that are close to other electrical equipment such as motors or switch gear.
• Do not install extension sockets within 50mm of ac mains sockets, neither must it
share ac mains wall socket boxes and must be in the same premises as the MULTI 5.
• MULTI 5 Box should be located within 2 metres of a 230Vac mains socket and shall
be easily accessible ,also within 3 metres of the exchange line master jack socket.
• Extension cabling must be made with single or multiple pair (PVC covered) 0.5mm diameter
tinned copper wire with overall PVC sheath. Cable to BT Specification CW 1308 is
recommended.
• Choose a route for the cable run that is safe from damage by feet, doors, or other hazards
such as damp or condensation, cable ducting may be employed for protection or improved
appearance.
• Use cable clips and secure the cable at intervals of 300mm.
• Take care to avoid kinking or other damage to the cable.
• The maximum length of cable allowed from the Distribution Box to each extension is 200
metres.
• Extension 1 must always be wired and connected as this is the power fail telephone. note -
It is recomended that the power fail phone is capable of operating without mains power.
• At the proposed site for the MULTI 5, leave at least 20cm of spare cable for connection.
Mark each cable with its extension number.
• It is recommended that extension cabling is run from the extension sockets to the MULTI 5.
Multipair cable (e.g. 4-pair) is useful when more than one extension is run in the same
direction from the MULTI 5.
27
Setting up and cancelling do not disturb
Any or all of extension 2 to 4 may be set up to Prevent ringing at
that extension.
To set up Do Not Disturb.
• Lift handset at appropriate extension
• Listen for internal dial tone.
• Dial O.
• Listen for confirmation tone.
• Replace handset.
Ringing is now disabled ot that extension for both internal and external calls.
To cancel Do Not Disturb.
• Lift handset at appropriate extension.
• Replace handset.
Call pick up
It is possible to pick - up an external call ringing at a different extension by:
• Lift handset
• Listen for internal dial tone.
• Dial 6.
The call will now be connected to your extension.
Operating when mains power fails
In the event of a mains power failure, the telephone at extension 1 is connected directly to the
exchange line. The line is then accessed from this extension without dialling 9. The other
extensions will not function.
USING THE MULTI 5