Nitek VB31M Скачать руководство пользователя страница 6

Specifications 

RoHS

COMPLIANT

2002/95/EC

Transceiver Unit

 

 

Size 

0.9” H x 1.0” W x 2.0” D 

 

(not including coax) 

Input 

1 Vpp composite video 

 

(monochrome or color) 

Output 

Balanced low voltage current loop 

 

 

System (two transceivers required)

 

 

Video Format 

RS170, PAL, SECAM, NTSC, CCIR (color or B/W) 

Video Input 

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 plastic 

 

(monochrome or color) 

Twisted Pair Connection 

RJ45 connector 

Shipping Weight 

1 Lb. 

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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