ASL INTERCOM PS 280 Manuale d'uso - Pagina 3

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4.0

MAINS POWER continued

IMPORTANT

The wires in this mains lead are colour coded in

accordance with the following code:

green and yellow

Earth / safety ground

blue

Neutral

brown

Live

As the colours of the wires in the mains lead may not

correspond with the coloured markings identifying the

terminals in your plug, proceed as follows:

The wire which is coloured green-and-yellow must be

connected to the terminal in the plug which is marked

with the letter "E", or by the earth symbol which is

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 PS 280 and the other connected stations.

This wire is internally connected to all exposed metal

surfaces and any rack framework into which this unit might

be mounted is assumed to be connected to the same

grounding circuit.

4.2

POWERING UP

Powering up procedure:

Make sure that the red 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

Transformer Voltage settings (Internal)

Setting for 115 V AC Voltage:

1. Red + Green

2. Empty

3. White + Yellow

Setting for 230 V AC Voltage:

1. Red

2. White + Green

3. Yellow

The PS 280 employs professionally designed audio input

and output circuits which do not require the disconnection

of any safety earth for the avoidance of hum loops.

PROPERLY GROUNDED outlet.