NXC-VOL4 Volume Control Card
42
NXF CardFrame, NetLinx Control Cards, and NetModules
Pinouts, Signals, and Functions
NXC-VOL4 Specifications (Cont.)
Gain jumpers 1-4
• Unity
Maximum Input Level: +10dBm
• Pro level to Consumer level conversion (attenuation of +4dBu IN to -10dBu OUT)
Maximum Input Level: +10dBm
• Consumer level to Pro level conversion (gain of -10dBu IN to +4dBu OUT)
Maximum Input Level: +6dBm
Connections/wiring
Two 10-pin 3.5 mm captive-screw terminals
Audio Specifications
• Frequency response of 15 Hz - 25 KHz·
• THD less than .005% at nominal output level·
• S/N ratio greater than 100 dB (IHF A)·
• Crosstalk less than 80 dB·
• Logarithmic attenuation range of 95 dB
NXC-VOL4 Pinouts, Signals, and Functions
Pin
Signal
Balanced Function
Unbalanced Function
Channel 1
1
GND
Audio GND
Audio GND
2
Input 1+
Audio IN
Audio IN
3
Input 1-
Audio IN
Audio GND
4
Output 1+
Audio OUT
Audio OUT
5
Output 1-
Audio OUT
no connection
Channel 2
6
GND
Audio GND
Audio GND
7
Input 2+
Audio IN
Audio IN
8
Input 2-
Audio IN
Audio GND
9
Output 2+
Audio OUT
Audio OUT
10
Output 2-
Audio OUT
no connection
Channel 3
11
GND
Audio GND
Audio GND
12
Input 3+
Audio IN
Audio IN
13
Input 3-
Audio IN
Audio GND
14
Output 3+
Audio OUT
Audio OUT
15
Output 3-
Audio OUT
no connection
Channel 4
16
GND
Audio GND
Audio GND
17
Input 4+
Audio IN
Audio IN
18
Input 4-
Audio IN
Audio GND
19
Output 4+
Audio OUT
Audio OUT
20
Output 4-
Audio OUT
no connection
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