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