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Nitek VB31M, Руководство по установке

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Nitek VB31M Скачать руководство пользователя страница 5

Troubleshooting 

 PROBLEM 

    POSSIBLE 

CAUSE 

 
    No video at receiver   

 

Check that camera video and coax connections are correct 

 

 

 

 

 

Check the Unshielded Twisted Pair cable for opens or shorts 

     Check 

that 

the 

camera 

is 

powered 

     Check 

that 

camera 

power 

meets 

manufacturers 

specifications 

 
 
Ghost image to the right,  

 

Check the cable for possible “T” taps or bridge taps and  

Horizontal 

smearing 

  remove 

them 

 

 

 

 

 

 

 
Video will not sync, 

 

 

Twisted pair wires for video are reversed; correct wires on  

wide white jagged area   

 

 UTP connection 

 
 

For Tech Support Call  

800-528-4343 

 

Hook-Up 

Содержание VB31M

Страница 1: ...pair point to point wiring for dis tances of up to 750 feet 225 meters with other passive balun transceivers up to 1 500 feet 450 meters with TR515 single channel and model 51 series hubs and up to 3 000 feet 900 meters with TR560 and model 56 Series hubs The VB31M is compatible with all the up the coax control systems A basic system uses 2 video balun transceivers one at each end of a twisted pai...

Страница 2: ...nsult an electrician for replacement of the obsolete outlet 11 Protect the power cord from being walked on or pinched especially at plugs convenience re ceptacles and other points where they exit from the device 12 Only use attachments and or accessories specified by the manufacturer 13 Refer all servicing to qualified service personnel Servicing is required when the device has been damaged in any...

Страница 3: ...ne punch down block terminals any bridge taps also called T taps and any resistive capacitive or inductive devices MUST BE removed from the pair For more specific information regarding wire types gauges and proper installation techniques please call Tech Support at 800 528 4343 Video The VB31M is designed to transmit or receive video at a maximum distance of 750 feet with a companion NITEK Balun o...

Страница 4: ...r wire wrap The mini coax plugs onto the BNC camera video input When mounting the VB31M inside a camera housing a hole of sufficient size must be available to pass the RJ45 terminated cable through The cable must be of sufficient length to be routed back to the video crossover As with external mounting the mini coax video cable will connect within the housing to the camera video BNC input Hook Up ...

Страница 5: ... shorts Check that the camera is powered Check that camera power meets manufacturers specifications Ghost image to the right Check the cable for possible T taps or bridge taps and Horizontal smearing remove them Video will not sync Twisted pair wires for video are reversed correct wires on wide white jagged area UTP connection For Tech Support Call 800 528 4343 Hook Up ...

Страница 6: ...nput 1 Vpp Composite Video Operating Frequency DC to 10MHz Common Mode Rejection 60dB Wire Size 23 to 24 AWG unshielded twisted pair DC Loop Resistance 51 ohms per 1 000 feet max Nominal Capacitance 17 pF foot Impedence 100 ohms or 20 Category Wire Category 3 or better Temperature Range 40 degrees C to 85 degrees C Humidity range 0 to 98 non condensing Enclosure Material Black ABS flame retardant ...

Страница 7: ...ll either repair the defective product without charge for parts and labor or will provide a replacement in ex change for the defective product The purchaser shall be responsible for packaging and shipping the defective product to the ser vice location designated by NITEK with shipping charges prepaid NITEK shall pay for the return of the product to the purchaser if the shipment is to a location wi...

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