Dahua Technology PFM791 Bedienungsanleitung

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Typical Application

CoaxialCable

UTP BalunUTP Balun

UTP Cable

PFM791

:Please follow the next application steps

1. Cut off power of HD camera, HD DVR, monitor and other devices.

2. Connect anend ofcoaxial cable with BNC-F of the isolator.

3. Connect theother end of coaxial cable with HD camera or UTP Balun(receiver).

4. ConnectBNCM of the isolator with the monitor or HD DVR.-

HD VIDEO ISOLATOR

Features

2

1

Support the PTZ data control

Support 720P&1080P&4K resolution,compatible with HDCVI/TVI/AHD.

Eliminate problemsas image tearing,cross-talk,rolling and so on.

ProtectHD video systemfrominterference ofelectrical cable .

Perfect work with DVR to immunity DVR interference.

Compact, simple for connection via BNC.

Passive, noneed forpowersupply.

Panel Diagram

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BNC-Female

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HD Video Input

The body of Filter

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BNC-Male HD Video Output

Plastic Module

Specification

Insertion Loss

Input Impedance

4KV10/700us Per IEC61000-4-5,

Contact Discharge:6000V

75Ohms

0.5dB

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Frequency Response0-75MHz

Output Impedance75Ohms

Isolation Resistance100M Ohms

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Operation Temperature

Storage Temperature

-2 ℃℃0~55

-40~ 07℃ ℃

Relative Humidity0~95%

ESD Protection

Surge Protection

Air Discharge 8000V:

Per IEC61000-4-2

>20000h

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Size LWH（ ）Thebody41.5mm 22.5mm： **16.5mm; Total length:400mm

Outer Shell

Color

N.W.

ABS Plastic

Black

38g

Troubleshooting

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Please check if it’s following the vendor’s manual;

Make sure if every BNC works well;

If the real transmission distance is not longer than the max distance ;

Checkif the cable is quality ;

Replace the non working isolator witha new one ;

If thetrouble stillexists,please contact your vendor.

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Package Contents

HD Video Transform Filter

Application manual

(1 pc)

(1 pc)

HD VIDEO ISOLATOR

The device is an HD video isolator for HDCVI/TVI/AHD. It Built in a highly balanced mode of

video transmission, which is immune to interference from these, and other sources of noise:

Data signals, other video signals, nearby power, ringing telephones, fluorescent lights,and

transformers, etc.

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