®
I N C .
P A C I F I C
M I C R O S O N I C S
10
I
nstallation
Model Two HDCD
®
User’s Manual
Rev. C - January 2002
Processor rear panel I/O connections and Analog Input Attenuator.
1
DC Power Input
Connects to the DC Output on the Power Supply using
(28-pin male)
the supplied DC power cable.
2
Analog Input
Left and right inputs acc12 to +24 dBu peak
(XLR balanced female) level analog signals. Pin polarity is selectable.
3
Analog Output
Left and right outputs producing up to +24 dBu peak
(XLR balanced male)
level analog signals. Pin polarity is selectable.
4a
AES In 1
Two or one channel AES3 format digital signal
(XLR balanced female) input.
4b
AES In 2
Two or one channel AES3 format digital signal
(XLR balanced female) input active only in certain modes.
5
RS-232
Serial data port for external computer loading
(D-Sub 9-Pin male)
of system software.
6
AES Out 1
Two or one channel AES3 format digital signal
(XLR balanced male)
output.
7
AES Out 2
Two or one channel AES3 format digital signal
(XLR balanced male)
output.
8
AES In Ref
AES3 format digital signal input used for external
(XLR balanced female) A/D clock sync reference.
9
Word Clock Ref I/O
Square wave, AC coupled, digital signal input/output
(BNC) Unterminated
used for word clock sync reference. Use as an input
requires external 75
Ω
termination.
10
Analog Input
Access panel for jumper selectable analog input
Attenuator
attenuator.
PUSH
PUSH
Analog Input
PUSH
PUSH
AES In
Ref
Ref
AES In
1
RS-232
AES Out
1
AES Out
2
Word
Clock
1
2
Analog Output
1
2
1
9
8
7
6
5
4a
5
3
5
2
10
+12
+12
+18
+18
+23+23
PUSH
AES In
2
4b