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Fiber Optic Video Converter ULTIMODE V-021D (multimode-WDM, 1 x video, 1 x data)
Code: L2102
Withdrawn from the offer
Fiber optic video converter ULTIMODE V-021D L2102 allows to transmit one video channel and one telemetry data channel (RS-485) via one multimode optic fiber up to 2 km.

Fiber Optic Video Converter ULTIMODE V-021D (multimode-WDM, 1 x video, 1 x data)
View of the V-021D converter set
Fiber Optic Video Converter ULTIMODE V-021D (multimode-WDM, 1 x video, 1 x data)
Front view
Fiber Optic Video Converter ULTIMODE V-021D (multimode-WDM, 1 x video, 1 x data)
Rear view
Distinguishing features:
  • 1 video channel
  • 1 one-way RS-485 data channel
  • maximum transmission distance - 2 km
  • transmission via one multimode fiber (WDM)
  • LED indicators showing operating status
  • the set contains video transmitter, video receiver, 2 power supplies
  • very easy installation
ULTIMODE V-021D video converter uses the latest optical technology which allows transmission of 1 video channel and 1 one-way RS-485 data channel (in opposite direction - from the video receiver to the video transmitter) via single multimode optical fiber. It is possible due to the use of wavelength-division multiplexing technology (WDM) - different wavelengths carry different signals over one strand of fiber, which significantly lowers installation costs. The L2102 set contains 2 modules - video transmitter marked "T" and video receiver marked "R" - and 2 power supplies (output: 5VDC/2A).
The transmitter transmits optical signal in the second transmission window (1310 nm), whereas the receiver (for transmitting telemetry data) uses the first window (850 nm). Sensitivity of the receiver and output power of the transmitter is adapted to transmit information up to 2 km. Durable laser diode with Fabry-Perot resonator ensures the mean-time-between-failure (MTBF) at least of 100000 hours (more than 11 years).
The set is compatible with NTSC/PAL/SECAM systems and ensures high quality transmission of live video over distances up to 2 km, much longer than those offered by standard devices. The possibility of sending control signal (RS-485) from the video receiver to the video transmitter allows to use PTZ cameras.

Optical port Connector: SC
 Range: 2 km
 Wavelength: 1310/850 nm
 Transmitter: Rx sensitivity (data):-35 dB ... -3 dB
 Tx power:-8 dB ... -3 dB
 Receiver: Rx sensitivity:-22 dB ... -3 dB
 Tx power (data):-15 dB ... -5 dB
Video Number of channels: 1
 Connector: BNC
 Level/impedance: 1 Vpp / 75 Ω
 Band: 5 MHz – 7.5 MHz
 DG: < 1%
 DP: < 1%
 SNR: > 70 dB
Data Number of channels: 1
 Bandwidth: 0 – 400 Kb/s
 BER: < 10-9
 Interface: RS-485
Power & Environment Operating temperature range: -10 ... 75 oC
 Operating humidity range: 0 – 95 % (no condensation)
 Power: 5 VDC /2 A

NOTICE!! It is not allowed to look directly at the fiber port when the device is plugged. The radiation invisible for the human eye can damage the retina!
Why to choose fiber optics:
  • possibility of sending signal over long distances (low attenuation of optical fibers - e.g. for the wavelength of 1550 nm the attenuation is about 0.2 dB per kilometer, which means that the signal can be sent at a distance of 200 km - without regeneration)
  • high-volume information transfer via single fiber
  • resistance to electromagnetic interference
  • resistance to weather conditions (humidity, electrostatic discharges and others)
  • no tapping possibility
  • low weight and small dimensions
ULTIMODE video converters are widely used for the transmission of CCTV signals over long distances and in areas exposed to harsh weather conditions. Optical fibers provide full electrical insulation and resistance to electromagnetic interference. Below there is a sample application of ULTIMODE converters.
System Control Unit: KB-2000-3A - CLEARANCE SALE! CCTV 19Day/Night Speed Dome Camera TPOWER-S2
Example application of ULTIMODE video converter

Video converters of ULTIMODE series can cooperate with all CCTV cameras with VGA resolution. Our offer also includes similar video converters with 4 video inputs and data channel ULTIMODE V-024 L2402 and with 8 video inputs and data channel - ULTIMODE V-028 L2802.

For longer distances we offer single-mode ULTIMODE video converters with range up to 20 km. A long-range equivalent of multimode V-021D is single-mode video converter V-201D L2121.
List of parameters of ULTIMODE video converters from V-02xD series
Optical connectorsSCSCSC
Max range [km]222
Wavelength [nm]1310/8501310/8501310/850
Number of video channels148
Video connectors
TV systemsNTSC/PAL
Number of data channels111
Data interfaceRS-485RS-485RS-485
Data throughputup to 400 kb/sup to 400 kb/sup to 400 kb/s
Number of audio channels
Number of alarm channels
5 VDC / 2 A5 VDC / 3 A5 VDC / 3 A
Withdrawn from the offer
Fiber Optic Video Converter ULTIMODE V-021D (multimode-WDM, 1 x video, 1 x data)
Code: L2102