Altair EF-200 Especificações descarregar pdf (Página 8)

E-200 SERIES INTERCOM SYSTEM — EF-200 DUAL CHANNEL MASTER STATION

unbalanced). The next list shows the input pins correspondence as A.E.S recommends:

PROGRAM INPUT - XLR-3-31

PIN 1

0 V

PIN 2 HOT (+)

PIN 3

COLD (-)

The input connection depends on two factors, the first is the type of input signal balanced or

unbalanced, and the second the ground configuration of the sound source (floating or ground-

referenced). The next pictures show some of the different possibilities of connection, relying on the

type of input signal, balanced or unbalanced and according to the ground configuration of the

equipment (floating or ground-referenced).

In the next diagrams, we use the following symbols:

Sound source with mains cord without ground connection.

Sound source with mains cord with ground connection.

Sound source with the EARTH-LINK OFF.

Sound source with the EARTH LINK ON.

UNBALANCED INPUT:

This type of connection will be used when the sound source does not provide balanced

output. If it’s possible it is better using the connection type 1.

1) Using twin-lead shielded cable:

1 2 3 4 5 6 7 8 9 10 11 12 13 ... 29 30

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