Grandstream GXV3501 Series User Manual User Manual
Page 17
GXV3501/GXV3504 Digital Video Server
Firmware 1.0.4.6 Page 17 of 36
Grandstream Networks, Inc. 09/2010
Grandstream network cameras or digit video cameras in the same subnet.
DI and DO
- Digital input and digital output
Normal open:
the circuit is by default open
unless an event triggers the device to close
the circuit.
Normal close:
the circuit is by default closed
unless and event triggers the device to open the circuit
NOTE:
GXV3504 has 4 individual DI/DO setting for each channel.
GXV3501/GXV3504 Video & Audio Page
On Screen Display (OSD) Settings
OSD Time/ Text
– The time stamp
and channel name displayed on the
screen.
Video Settings
Preferred Video Codec
– The GXV3501/GXV3504 supports the H.264 video codec.
Resolution
– The higher the resolution is, the better the video quality is, and higher
bandwidth is required.
Low -----------------------Æ High Resolution
QCIF CIF 2CIF D1
Bit Rate
– The number of bits that are
conveyed or processed per unit of time.
Maximum Frame Rate
– The video frame
rate is adjustable based on network
conditions. Increasing the frame rate will
increase the amount of data significantly
therefore consuming more bandwidth.
Video
will be impaired due to packet loss when
there is insufficient bandwidth.
Bit Rate Control
– Variable Bit rate (VBR)