User`s manual

Moxa VPort 26 System Configuration
4-31
Resolution Type
For meeting different CCTV resolution requirement, there are NTSC or PAL mode can be selected.
NOTE
Due to there is only one video source, different resolution will have
different viewing angle.
Streams
Setting Description Default
Enable the video
streams
To enable the VPort to send this video streams or not. Enable stream 1:
H.264 and stream 2:
MJPEG
Codec Type
This codec type shows the codec of each video stream.
Resolution
The VPort 26 supports 5 different resolutions: SVGA, Full D1, 4CIF, VGA, CIF, and QCIF.
Setting Description Default
Select the image size 6
image resolutions (size) are provided. The administrator can
choose each option with NTSC or PAL modulation.
800 x 600
Resolution NTSC PAL
SVGA 800 x 600 800x 600
Full D1 720 x 480 720 x 576
4CIF
704 x 480
704 x 576
VGA 640 x 480 640 x 480
CIF 352 x 240 352 x 288
QCIF 176 x 112 176 x 144
Max. FPS (Frame per second)
Setting Description Default
Maximum frame rate The maximum frame rate is different to accommodate different
modulations of video input. Administrators can also set up the
maximum frame rate to optimize bandwidth use.
NTSC: 1, 3, 5, 10, 15, 20, 25, 30
PAL: 1, 3, 5, 8, 12,16, 20, 25
30 for NTSC, 25 for
PAL
NOTE
Frame rate (frames per second) is determined by the resolution, image data size (bit rate), and transmission
traffic status. The Administrator and users can check the frame rate status in the
FPS Status on the VPort’s
web homepage.
NOTE
The
VPort 26
supports a maximum of three simultaneous video streams, and the FPS will be affected when all
three video streams are enabled. If the video quality is set very high for all three video streams, the total FPS
for the three streams combined is about 75. We strongly recommended that you configure these three video
streams based on specific requirements to optimize video performance.