4 Channel Active CCTV Video Receiver / Active Video Balun VB402R
Description:
The VB402R active video receiver receives balanced signal to converts it into unbalanced signal and raises the received signal with perfect receiving effect, which can be applied for the occasions such as video monitoring and video meeting and can transmit four channels of video image simultaneously via a 8-core Cat-5 twisted pair wire. It can simplify the wiring project and save wire use quantity.
Features:
· Adopt differential signal transmission with excellent anti-jamming ability
· Save project wire expenses, each a pair of twisted pair wire transmits one channel of video signal and one common Cat-5 unshielded twisted pair wire can simultaneously transmit four channels of video signal
· The farthest transmission distance will be 900m if it is used with passive transceiver and the farthest transmission distance can reach 1200m if it is used with active transmitter
· Outstanding interference rejection, transient protection
Technical specifications:
Video Format | NTSC, PAL, and SECAM | |
Frequency Response | DC to 5MHz | |
Attenuation | 0.5dB typ | |
CMRR | 60 dB | |
Impedance | Coax, Male BNC | 75 ohms |
RJ45/Terminal Block | 100 ohms | |
Working environment | Working Temperature | -10℃ to +50℃ |
Storage Temperature | -30℃ to +70℃ | |
Humidity | 0 to 95% | |
Wire Type | UTP5 | |
Connector | Female BNC, RJ45 and Terminal Block | |
Power | 24VAC/DC | |
Case | ABS Plastic | |
Dimension | 203mm*60mm*37mm |
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!
The clamping order of the modular plug is shown as follows (TIA/EIA-568B):
Adjusting method:
Adjust “BRIGHTNESS” knob to adjust the image brightness.
Application Diagram
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