Toa D-901 - Connections of the D-984 VC; Connecting to the D-984 VC; Input and Output Channel VCA Controls

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16.5. Connections of the D-984VC
The optional VCA Fader Unit D-911 can remotely control the VCA Control Module D-984VC.
However, You can make a special unit having the same functions as the D-911 referring to the technical
information described here.
16.5.1. Connecting to the D-984VC
• For connecting to each terminal, use a CAT5 (Category 5) UTP cable fitted with a RJ45 connector.
Note
Use a STP cable in an environment where the cable is susceptible to noises.
• Maximum cable length is 100 m.
• Pin arrangement of the D-984VC's terminals
model D-984VCVCA CONTROL MODULE
CONTROL UNITS FOR D-901 ONLY
1-4
5-8
1-6
7-12
1-4
5-8
1-4
5-8
CTRL IN IN CH
CTRL OUT OUT CH
VCA
Input channel
VCA terminals
Output channel
VCA terminals
Control input
terminals
D-984VC
Control output
terminals
Pin No.
1
2
3
4
5
6
7
8
1-6
IN CH 1
IN CH 2
IN CH 3
IN CH 6
IN CH 5
IN CH 4
V
C
7-12
IN CH
IN CH 7
IN CH 8
IN CH 9
IN CH 12
IN CH 11
IN CH 10
V
C
Pin No.
1
2
3
4
5
6
7
8
1-4
OUT CH 1
OUT CH 2
OUT CH 3
C
V
OUT CH 4
V
C
5-8
OUT CH
OUT CH 5
OUT CH 6
OUT CH 7
C
V
OUT CH 8
V
C
[Input channel VCA terminals] [Output channel VCA terminals]
Pin No.
1
2
3
4
5
6
7
8
1-4
CTRL IN 1
C
CTRL IN 2
C
CTRL IN 3
C
CTRL IN 4
V
5-8
CTRL IN
CTRL IN 5
C
CTRL IN 6
C
CTRL IN 7
C
CTRL IN 8
V
Pin No.
1
2
3
4
5
6
7
8
1-4
CTRL OUT 1
C 1
CTRL OUT 2
C 3
CTRL OUT 3
C 2
CTRL OUT 4
C 4
5-8
CTRL OUT
CTRL OUT 5
C 5
CTRL OUT 6
C 7
CTRL OUT 7
C 6
CTRL OUT 8
C 8
[Control input terminals] [Control output terminals]
1 2 3 4
5 6 7 8
16.5.2. Input and output channel VCA controls (1) – (4)
• With 5 V at an input channel VCA pin (IN CH 1 – 12) or at an output channel VCA pin (OUT CH1 – 8), the
corresponding channel's sound volume is minimum. With 0 V, the sound volume is at the level set by the D-
901.
• Use 10 kΩ potentiometers of taper B.
• Up to 6 volume controls can be connected to each V pin.
[Connections to the input channel VCA terminal]
1 IN CH 1
RJ45
D-984VC
[IN CH 1 - 6]
2 IN CH 2
3 IN CH 3
4 IN CH 6
5 IN CH 5
6 IN CH 4
7 V (+5 V)
8 C (GND)
D-901's volume
Minimum level
+5 V
0 V