© 2001 Polycom Inc. 191 ViewStation User Guide
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Video and Audio Input and Output Levels
Video Levels
This information applies to all Polycom videoconferencing products.
Video Output Levels
Composite and S-video outputs:
• 75 ohm output typical
• NTSC or PAL video standard waveform
• 1.0 Vpp typical per NTSC/PAL standard
• All video outputs are DC coupled
Video Input Levels
Composite and S-video inputs:
• 75 ohm input termination
• NTSC or PAL video standard waveform
• 1.0 Vpp typical per NTSC/PAL standard expected input
• All video outputs are DC coupled
Audio Levels
Audio Output Levels
RCA audio output connectors:
• 800 ohm maximum output impedance
• 1.0 Vpp full scale output typical
• All audio outputs are AC coupled