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I N S T A L L A T I O N a n d P O W E R
page 1 – 5
220 / March 2000
Once the supply is rackmounted, it should be connected to the console
using the factory supplied cable. The console’s power supply connector is
located at the rear of the console, at the right end of the meterbridge bottom
pan. If you are using one supply, connect it to the console connector. If you
are using two supplies (failsafe option), connect the long power supply
cable to the center connector of the rackmount failsafe panel. Then connect
one supply with a short cable to either of the two remaining connectors on
the failsafe panel and connect the second supply with a short cable to the
last connector. Note that the power supply cable’s 10-pin female connector
has to be rotated until its locating pins match the male connector on the
console. Do not force a connector on; it attaches easily when properly
aligned. Connect the cable first to the console, then to the rear of the
rackmount power supply.
Note each power supply is fitted with a 3-wire grounded AC cord that
should be plugged into a "clean" AC power source. That is, an AC source
that feeds only the control room audio gear. This source should be a
separate feed from those powering lighting, air-conditioning, or any other
non-audio machinery. The third pin ground wire of the AC source should
be tied to the central system ground point. Note that while the AC power
cord ground wire terminates at the power supply chassis, it does NOT
connect to the 220 console common; the console itself must be grounded
separately. (See previous section, "System Ground".)
The power feed recom-
mended in the text is of-
ten installed and referred
to in studios as an “iso-
lated AC ground” outlet.
It is usually orange in
color.
220 / June 2001
The PSC-D340 Power Supply
H
A
E
D
I
J
B
C
G
F
TYPICAL POWER
CONNECTOR
(10-pin)
A :
B :
C :
D :
E :
F :
G :
H :
I :
J :
audio/phantom common
+V audio
-V audio
digital common
phantom power
digital common
+digital
+digital
n/c
n/c
ON
OFF
+V
D1
PHANT
Model PSC- D340 Power Supply
D2
–V
220 / June 2001
Содержание 220 Digital Audio Console
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