User guide
Passive+Relay Version 8.19 page 5
Installation
These installation instructions apply to Multi-Announcer Model 311 only. Model 310 must be
installed by engineers authorised by Multimessage Systems Ltd. If you are installing a Model
311 Multi-Announcer please make sure you follow the instructions carefully and in the order
given.
Choosing A Suitable Site
The unit should be installed on a level, solid surface, where:
♦ The mains lead will reach a 240 V AC switched mains socket, preferably with a
guard fitted so that it cannot be accidentally switched off.
♦ The telephone line cords will reach your telephone line sockets.
♦ There is a minimum of background noise, so that you can record your
announcements satisfactorily.
♦ You can easily see the display (preferably at head height).
♦ The unit is away from direct sunlight or heating appliances
♦ Air can circulate around the unit (allow at least 10 mm clearance all round)
♦ The temperature is maintained between -10°C and 40°C.
♦ The unit is away from water or corrosive chemicals, particularly salt spray.
Unpacking The System
When you unpack the system from its box, you will find:
♦ The Model 311/310 Multi-Announcer.
♦ A mains lead with fitted plug (if you need to change the plug, refer to the 'Safety
Information' page.
♦ The battery fuse.
♦ Telephone line cords (the quantity depends on the number of lines you
purchased)/cable with krone termination strips.
♦ A telephone handset.
♦ This User Guide.
Connection And Conditions For Use
Multimessage Multi-Announcer Models 310 and 311 are approved for:
connection to two or more direct exchange lines from the public switched telephone network;
two or more extension lines on an approved call routing apparatus (PBX or key system).
These line may use either DTMF4 (tone) or loop-disconnect (pulse) signalling.
The apparatus is not suitable for connection as an extension to a payphone, neither to a
shared-service (party) line or a 1+1 carrier system.
The Multimessage Multi-Announcer Model 311 is connected to the public network using the
modular plug and socket system.
The Model 310 is hard-wired, and must be installed by an authorised engineer