BSS Audio FDS-334T Owner's Manual - Manual (Page 13)

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Rear Panel Connections
Unbalanced wiring
A fully balanced signal system will yield the best possible results with none of the problems
often associated with interconnected audio equipment. However, if the equipment driving the
FDS-334T/336T has only unbalanced outputs then the input plug to the FDS-334T/336T should
be wired so that the shield connection on pin 1 is shorted to EITHER pin 2 OR pin 3, depending
on the wiring convention of the unbalanced equipment at the sending end.
Signal Source Minidrive Input
If the equipment connected to the FDS-334T/336T Outputs only has unbalanced inputs, it is still
recommended to use balanced (i.e. 2-connector shielded) cable. The interconnecting cable
should have the shield earthed to pin 1 at the FDS-334T/336T output, the output ‘cold’ should
be connected to the unbalanced input (0V) ground, and the output ‘hot’ should be connected to
the unbalanced live input. There should be no connection between the cable screen and the 0
V/chassis ground connection of the unbalanced equipment. Strict adherence to these wiring
conventions will help to eliminate potential ground loop hums by removing signal currents from
the cable shield.
Minidrive Output Signal Destination
Controller Connections
MIDI in, out and thru jacks are located on the back panel. These allow remote Program recall
and MIDI systems exclusive dump capability. In addition, an RS-232 connector allows updating
of the flash memory as software updates become available. Check our website, www.bss.co.uk
for updates.