Video Specifications - PictureTel Concorde 4500 Servicing Manual

CONCORDE¥4500 SPECIFICATIONS
Video
Specifications
Parameter
Video algorithms
NTSC or PAL video
format
Monitor/video
resolution
A-4
Table A-3: Environmental Specifications (Continued)
Parameter
Recommended
illumination
Note: For a Concorde¥4500 the heat dissipation is measured at
less than 250 watts or 850 BTU per hour.
The following table lists the video speciÞcations for the
Concorde¥4500.
Table A-4: Video Specifications
Category
PictureTel proprietary
ITU-T standards (px64)
Video coding
Audio coding
Composite connector
Y/C connector
Input/output impedance
Signal level
SG3
H.320
Category
70 through 100 foot candles
(740 through 1,100 lux)
SG3
H.320
H.261
G.722, G.711, G728, PT724
RCA phono
4-pin mini DIN
75
1 Vp-p
256 x 240 pixels (NTSC)
256 x 288 pixels (PAL)
FCIF 352 x 240 pixels (NTSC)
FCIF 352 x 288 pixels (PAL)
QCIF 176 x 120 pixels(NTSC)
QCIF 176 x 144 pixels (PAL)
Specification
Specification