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VGA双绞线传输器

产品中心  >> CCTV产品配件 >> 双绞线传输器




Single channel passive video balun,Video transmission via UTP CAT5,Outstanding interference rejection...

 
Features:
Full-motion CCTV video at distance up to 350m when used with any passive Sectec transceiver or hub.
Up to 1500m if matching with active video balun
Mini-coax pigtail supports in-camera mounting in most dome cameras
Reliable screwless UTP terminal connection
No power required
Exceptional interference rejection
Built-in transient protection
Supports “ up-the-coax” type control signal up to 350m
Limited lifetime warranty
 
ST-VB203A series transceiver is a passive (non-amplified) device that allows the transmission of realtime
Monochrome or color video over unshielded twisted-pair (UTP) telephone wire. Baseband (composite) signal of any type are supported.
 
ST-VB203A series transceiver has a 9’’ mini-coax pigtail lead which allows in-camera enclosure mounting in most dome cameras and a great number of mounting options in general at both ends of the system. It is capable of delivering a fully equalized signal to the DVR when used with any active Sectec receiver, yet is compatible with all of Sectec passive products for applications under 350m. ST-VB203A series video transceiver also incorporates improved transient protection that eliminates the need for a ground screw.
 
The unparalleled interference rejection and low emissions of ST-VB203A series video balun allow video signals to co-exist in the same wire bundle as telephone, datacom, or low-voltage power circuits. This allows the use of a shared or existing cable plant.
 
Technical specifications:
Video
Frequency response
DC to 8 MHz
Attenuation
0.5dB type
Common-mode/Differential mode rejection
15KHz to 5MHz
60 dB type
Impedance
Coax, male BNC
75 ohms
UPT, Screwless terminal block
100 ohms
Power
No external power requied
Enviromental
Ambient amblent temperature
-30 to +70℃
Humidity (non-condensing)
0-95%
Transient immunity
Per ANSI/IEEE 587 C62.41
Wire type
Network wiring
One un-shield twisted pair
 
24-16 AWG (0.5-1.31mm)
Category type
2 or better
Impedance
100± 20 ohms
DC loop resistance
52 ohms per 1,000ft
18 ohms per 100ft
Differential capacitance
62 pF/m max
Mechanical
Dimension(mm)
39*16*19 (excluding connectors)
Weight
46g/pair
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