Polycom Realpresence Group Series Specifications; Inputs/Outputs - Polycom RealPresence Group Series Reference Manual

Polycom RealPresence Group Series
Specifications
This chapter includes information about system specifications. For back panel views of systems and for
details about the various connections available on each back panel connector, refer to the Polycom
RealPresence Group Series Administrator Guide at

Inputs/Outputs

The table below contains audio specifications for RealPresence Group Series systems.
Audio Specifications for RealPresence Group 500 Systems
Characteristic
Maximum Input Level
0 dBFS, Analog Inputs
Input Impedance
Analog Inputs
Maximum Output Level
Line Output (≥600 W load):
Output Impedance
Line Output
Signal-to-Noise Ratio
Either analog audio input routed to
Main Output:
Any digital audio input routed to any
digital output:
Dynamic Range
Either analog audio input routed to
Main Output:
Any digital audio input routed to any
digital output:
Crosstalk and Feed-Through
Any input or output channel to any
other channel
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Value
0 dBV (1.0 V ), ± 1 dB
RMS
20kW, ± 5%
+6 dBV (2.0 V ), 1 dB
RMS
150, ±5% Ohms
>85 dB, A-weighted
>95 dB, A-weighted
>85 dB, A-weighted
>95 dB, A-weighted
≤-80 dB, 20 Hz to 20 kHz
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