Table 2-5. Video Input/Output Electrical Specifications; Table 2-6. Video Resolution, Frame Rate, And Error Correction - Polycom SoundStation2 EX, FX, VS4000 Integrator's Reference Manual

© Polycom, Inc.
The following table gives electrical specifications for the video
inputs and outputs.

Table 2-5. Video Input/Output Electrical Specifications

Parameter
Impedance
Signal amplitude
Coupling
The following table gives other video specifications for the
ViewStation EX, ViewStation FX, and VS4000 systems.

Table 2-6. Video Resolution, Frame Rate, and Error Correction

Parameter
Video format
Video resolutions
Graphics
resolutions, slide
transmission
Graphics resolution,
local display
Frame rate
Error correction
a. PVEC is activated and deactivated automatically, as needed.
Video quality degradation with the PVEC feature active may
indicate that your IP network is not functioning properly. At the time
of publication, PVEC is not available in dual stream mode or
standards-based 60-field video.
Chapter 2 - Technical Information
Value/format
75
1.0 V typical
pp
DC
Value/format
NTSC or PAL
QCIF (176 x 144)
CIF (352 x 288)
4CIF (704 x 576)
TV-quality wide-screen (letterbox)
H.261 mode: 4CIF (704 x 576)
H.263 mode: 16CIF (1408 x 1152)
up to 1280 x 1024
NTSC: 30 frames/second
(60 fields/second)
PAL: 25 frames/second (50 fields/second)
Polycom Video Error Concealment (PVEC)
a
15