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Passive UTP BNC RJ45 Video Camera Balun Price Cat5 Connector CCTV VB303T&RH(P)

  • Passive UTP BNC RJ45 Video Camera Balun Price Cat5 Connector CCTV VB303T&RH(P)
  • Passive UTP BNC RJ45 Video Camera Balun Price Cat5 Connector CCTV VB303T&RH(P)
Model No.︰VB303T&RH(P)
Brand Name︰Chinasky/OEM
Country of Origin︰China
Unit Price︰CNY ¥ 1.1 / pc
Minimum Order︰100 pc
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Product Description

Passive UTP BNC RJ45 Video Camera Balun Price Cat5 Connector CCTV VB303T&RH(P)

Features:

  • Adopt differential signal transmission with excellent anti-jamming ability
  • Save project cable expenses, it can complete the transmission of video, power supply and control signals on this line only with one Cat-5 unshielded twisted pair wire
  • It can provide stable DC 12V power supply for the headend camera or other electro-equipments only to provide a DC 36V power supply at the receiving terminal (master control room) in the whole transmission system without providing another power supply for the camera and other DC 12V electro-equipments and realize remote power supply.
  • Built-in transient suppression protection
  • The farthest transmission distance can reach 1500m when VB303R is used with VB303T (this series shall be in matched use and shall not be used with other types of transmitter)

The transmission distance has relation with the total power of the camera and other headend equipments, for the details, please refer to the following table:

Loading current

(DC12V)

Farthest transmission distance

 

Remarks

100mA or below

1500m

These data are the measured distances with standard Cat-5e twisted pair wire. The transmission distance will be directly affected if the used wires are in poor quality.

200mA

1200m

300mA

800m

400mA

600m

500mA

400m

 

Technical specifications:

Single Channel Passive UTP BNC RJ45 Video Camera Balun Price Cat5 Connector CCTV VB303T&RH(P)

Video Format

NTSC, PAL , and SECAM 

Frequency Response

DC to 8MHz

Attenuation

0.5dB typ

CMRR

60 dB 

Impedance

Coax, Male BNC

75 ohms 

RJ45/Terminal Block

100 ohms

Working environment

Working Temperature  

-10℃ to +70

 Storage Temperature  

-30℃ to +70℃

Humidity 

0 to 95%

Wire Type

UTP5

Connector

Female BNC, RJ45 and Terminal Block

Power

36VDC

Case

Aluminum alloy case

Dimension

105mm*70mm*29mm

 

Type of the required wire:

Unshielded Cat-5 or above twisted pair wire (Please use standard Cat-5 or above twisted pair wire. The wire quality will directly affect the transmitted image effect and transmission distance.)

Characteristic impedance: 100Ω±20Ω

DC loop resistance: 18Ω/100m

Differential capacitance: 62pf/m (Maximum)

Connection method

Connect the two-color wires of a pair of Cat-5 unshielded twisted pair wire to the ‘+’ terminal of the green socket and connect the single-color wires to the ‘-’ terminal. Connect the BNC interface of the receiver to the monitor or other recording equipments. If there is any joint in the circuit, please adopt welding method or special junction box to ensure perfect contact at the joint. Please be sure to connect the interface marked with ‘’ symbol to the ground wire of the lighting-proof system with the copper conductor with sectional area≥1.5 mm2!

Adjusting method:

Adjust “BRIGHTNESS” knob to adjust the image brightness, then adjust “SHARPNESS” dial switch to compensate the image sharpness and color. The compensation size in turn is 1 as minimum and 4 as maximum. Pressing dial switch shows the compensation of this position is turned on. Next or multiple switches can be pressed according to the requirements. The four dial switches can compose 16 compensation values (as shown in the following figure) to meet the requirements of different transmission distances.

Frequently Asked Questions

Why does my video look like a scrambled Cable TV signal?

This typically indicates reversed polarity.

Can shielded twisted pair be used?

Some customers have successfully used shielded wire up to a few hundred feet. However we does not recommend it. Its high-frequency roll-off will severely degrade the distance performance.

Can Category 6 wire be used?

Yes. Unshielded Twisted Pair wire, Category 5 or better, can be used with UTP video transceiver.

Can I transmit more than one video signal in a multi-pair wire bundle?

Yes. One of the benefits of using UTP video transceivers is interference rejection. UTP video signals can reside in the same wire bundle as multiple video signals, ringing telephones, Ethernet, low voltage power, RS-422, RS-485, etc.

Single Channel Passive UTP BNC RJ45 Video Camera Balun Price Cat5 Connector CCTV VB303T&RH(P)

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