Polycom 1465-52748-040 Benutzerhandbuch
Polycom, Inc.
249
B
Polycom RealPresence Group
Series Specifications
Back Panel Information
Refer to the Administrator’s Guide for the Polycom RealPresence Group Series at
for back panel views of Polycom RealPresence Group
systems and for details about the various connections available on each
Polycom RealPresence Group back panel connector.
Polycom RealPresence Group back panel connector.
Inputs/Outputs
Audio Specifications for Polycom RealPresence Group 500 systems
Characteristic
Value
Maximum Input Level
0 dBFS, Analog Inputs
0 dBV (1.0 V
RMS
), 1 dB
Input Impedance
Analog Inputs
Analog Inputs
20k, 5%
Maximum Output Level
Line Output (≥600 load):
6 dBV (2.0 V
RMS
), 1 dB
Output Impedance
Line Output
Line Output
150, ±5% Ohms
Signal-to-Noise Ratio
Either analog audio input routed to
Either analog audio input routed to
Main Output:
Any digital audio input routed to any
Any digital audio input routed to any
digital output:
>85 dB, A-weighted
>95 dB, A-weighted