Polycom EX, FX, VS4000, EX4000, FX4000, VS4000 The following table gives camera and display information., The following table gives electrical specifications for the audio inputs and outputs.

Integrators’ Reference Manual for ViewStation EX, ViewStation FX, and VS4000
16 www.polycom.com
The following table gives camera and display information.
The following table gives electrical specifications for the audio
inputs and outputs.
Table 2-7. Cameras and Displays
Parameter ViewStation EX and FX VS4000
Main camera Integrated Sony EVI-10 External Sony
EVI-D10
Main camera
features
65° field of view
12 x Zoom; f=4.2 to 42 mm
F=1.85 to 2.9 mm
Auto focus
Automatic white balance
Main camera presets 10
Far camera presets 10
Tracking Voice tracking
Track to presets
Auto-PIP system Auto-on, auto-swap, auto-off
Table 2-8. Audio Input/Output Electrical Characteristics
Parameter Value/format
Input
Impedance 10 KΩ minimum
Signal amplitude 1.0 Vpp full-scale (expected)
Coupling AC
Output
Impedance 800 Ω maximum
Signal amplitude 1.0 Vpp full-scale (typical)
Coupling AC