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NXC-VOL4 Volume Control Card
The
The volume control channels can be programmed for mono or stereo operation, and balanced or unbalanced audio connections. It supports programmable audio levels, audio mute, variable ramp speeds and preset levels.
Use the
I/O Jumpers
FIG. 8 NXC-VOL4 Volume Control card
Specifications
NXC-VOL4 Specifications
Power Requirements | 197 mA @ 12 VDC |
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Volume | Four volume channels |
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Status | • Yellow LED shows |
(3 LEDs per channel) | • Red LED shows mute mode |
| LED 1: Channel 1 RAISE (yellow) |
| LED 2: Channel 1 LOWER (yellow) |
| LED 3: Channel 1 MUTE (red) |
| LED 4: Channel 2 RAISE (yellow) |
| LED 5: Channel 2 LOWER (yellow) |
| LED 6: Channel 2 MUTE (red) |
| LED 7: Channel 3 RAISE (yellow) |
| LED 8: Channel 3 LOWER (yellow) |
| LED 9: Channel 3 MUTE (red) |
| LED 10: Channel 4 RAISE (yellow) |
| LED 11: Channel 4 LOWER (yellow) |
| LED 12: Channel 4 MUTE (red) |
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Gain jumpers | • Unity - Maximum Input Level: +10dBm |
| • Pro level to Consumer level conversion (attenuation of +4dBu IN to |
| Maximum Input Level: +10dBm |
| • Consumer level to Pro level conversion (gain of |
| Maximum Input Level: +6dBm |
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Connections/wiring | Two |
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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 |
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NetLinx Cardframe, Control Cards, and NetModules - Operation Reference Guide | 35 |
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