10
E-200 SERIES INTERCOM SYSTEM — EF-200 DUAL CHANNEL MASTER STATION
PA OUTPUT - XLR-3-32
PIN 1
0 V
PIN 2
HOT (+)
PIN 3
COLD (-)
The output 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 destination unit (floating or
ground-referenced). The next pictures show some of the different possibilities of connection,
relying on the type of output signal, balanced or unbalanced and according to the equipment’s
ground configuration (floating or ground-referenced).
In the next diagrams, we use the following symbols:
Sound destination unit with mains cord without ground connection.
Sound destination unit with mains cord with ground connection.
Sound destination unit with the EARTH-LINK OFF.
Sound destination unit with the EARTH LINK ON.
UNBALANCED OUTPUT:
This type of connection will be used when the sound destination unit does not provide a
balanced input. If it’s possible it is better using the connection type 1.
1) Using twin-lead shielded cable:
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