ASL INTERCOM BS 181, User Manual

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User Manual BS 181 / Issue 1 © 1998 ASL Intercom, Utrecht, Holland.
4
WARNING
This appliance must be earthed
4.0 MAINS POWER
The BS 181 may be connected to the mains power outlet The wires in this mains lead are colour coded in
to which other audio equipment is connected. The outlet accordance with the following code:
should have a clean earth. Avoid using mains power
outlets which also power dimmer controlled lighting
green and yellow Earth / safety ground
equipment. blue Neutral
The unit needs no voltage setting and accepts mains
voltages from 90 - 240 V ac, 50/60 Hz.
As the colours of the wires in the mains lead may not
The power cord supplied with this unit carries the following - The wire which is coloured green-and-yellow must be
information label: connected to the terminal in the plug which is marked
IMPORTANT
brown Live
correspond with the coloured markings identifying the
terminals in your plug, proceed as follows:
with the letter "E", or by the earth symbol which is or
coloured green.
- The wire which is coloured blue must be connected to
the terminal which is marked with the letter "N" or
coloured black.
- The wire which is coloured brown must be connected
to the terminal which is marked with the letter "L" or
coloured red.
Those units that are supplied to the North American
market will have an integral moulded 3 pin connector
which is provided to satisfy required local standards.
4.1 SAFETY EARTHING
The green-and-yellow wire of the mains cord must always
be connected to the electrical installation safety earth or
ground. It is essential for personal safety as well for proper
operation of the BS 181 and the other connected stations.
This wire is internally connected to all exposed metal
surfaces.
4.2 POWERING UP
Powering up procedure:
- Make sure that the power switch on the left side of the
front panel is OFF.
- Connect the power cord to the rear of the station.
- Plug the other end of the power cord into a
PROPERLY GROUNDED outlet.
- Turn on the power with the red button, the green power
LED will go on, indicating the station is active.
See for further installation and operation the concerning
sections.