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LDK 4425 3G Fiber Power Converter

3G Transmission Family & XF Fiber Transmission Family Converter

The Grass Valley 3G Fiber Power Converter converts single mode (dark) fiber to full SMPTE hybrid fiber for connection to a 3G Fiber or XF Fiber camera. It can easily run beyond 40 km (24.85 miles) and supports all HD and 4K video formats. Dustproof, waterproof and with its own sun hood, the 3G Fiber Power Converter works in all weather.


  • Turns single mode (dark) fiber into full powered SMPTE hybrid fiber
  • A member of the versatile Grass Valley 3G Transmission family and the XF Fiber Transmission family
  • Full transmission diagnostics
  • Complements XCU Twin (XCU 4221/4271), 3G Twin (LDK 4420), XCU Universe and XCU HD/4K IP base stations 
  • Robust field unit (conforms to the IP54 standard)
  • Extremely long cable capabilities (>40 km (24.85 mi.))


General Video

720p: 23.98/25/29.97/50/59.94 Hz

1080i: 50/59.94 Hz

1080p (WorldCam): 23.98/24/25/29.97/50/59.94 Hz


Dimensions (HxWxL, approx): 230 x 330 x 110 mm (9.1 x 13.0 x 4.3 inch) without sunhood, without bracket

Operating temperature: -20°C to +45°C (-4°F to +113°F)

Storage temperature: -40°C to +70°C (-40°F to +158°F)

Operation humidity: Max. 90% (non-condensing)

Shock resistance: Max. 10G (transport), max. 2G (operating)

Altitude: Max. 15,420m (50,000 ft.)

Weight: 8.5 kg (18.7 lbs.)

Power connector: IEC type, 3-pin male

Power requirement: AC 100V/240V, 47 to 63 Hz

Power consumption (local mains connection): 380VA or 375 Watt max. in studio configuration; 200 VA or 180 Watt max. in portable configuration

Note: When used inside 19" rack, additional cooling is recommended.


Connection to Base Station via Single Mode Fiber

Single mode fiber: SC or ST

Typical cable length SM fiber (base station to converter): >40 km (24.85 mi.)

Connection to Camera via Hybrid Fiber

Hybrid fiber: LEMO Hybrid fiber connector acc. SMPTE 304

Typical cable length fiber: Hybrid fiber (SMPTE 311) up to 3,000m (9,842 ft.)

Indicators (LED)

LED indicators: Camera test/connected and local mains power



LDK 4425 3G Fiber Power Converter

LDK 4425 3G Fiber Power Converter from Grass Valley is a heavy duty, high-quality, multistandard module that converts 2X single mode (dark) fiber signals to full 3G camera-powered SMPTE hybrid fiber or for use with a variety of Grass Valley base stations. It supports all HD and 4K video formats and is part of the versatile Grass Valley 3G Transmission family and the XF Fiber Transmission family.



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