Extron FOXBOX Rx DVI LC Fiber Optic Receiver

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Extron FOXBOX Rx DVI LC Fiber Optic Receiver

The Extron FOXBOX DVI Fiber Optic Extender is a transmitter and receiver set for long haul transmission of DVI, audio, and RS-232 control signals over a single fiber. Engineered for reliability and exceptional high resolution image performance, it uses the Extron exclusive all digital technology to deliver perfect pixel-for-pixel transmission of DVI computer-video images up to UXGA 1600x1200 resolution, including HDTV 1080p/60. The FOXBOX DVI also includes an EDID emulation mode, Auto Input Memory, RS-232 control from multiple locations, internal test patterns, and real-time system monitoring. Compact, low profile enclosures allow for discreet installation behind a flat-panel display, and multiple receivers can be daisy-chained.


  • Extends single link DVI-D, stereo audio, and RS-232 control signals very long distances over a single fiber
  • Inputs: DVI-I connector, unbalanced stereo audio on 3.5 mm stereo mini jack - FOXBOX Tx DVI
  • Outputs: DVI-I connector, unbalanced stereo audio on 3.5 mm stereo mini jack - FOXBOX Rx DVI
  • All digital technology provides pixel-for-pixel performance with signals up to 1600x1200, including HDTV 1080p/60 — The FOXBOX DVI delivers pixel-for-pixel transmission of video signals to ensure optimal image quality at resolutions up to UXGA (1600x1200.) Signal resolutions higher than UXGA can be accommodated, but will not be sampled at a 1:1 pixel ratio.
  • EDID emulation — The FOXBOX DVI transmitter provides a means for specifying the rate of the incoming DVI signal through the RS-232 serial port. EDID emulation allows proper communication with the DVI source.
  • Daisy-chain capability — Several FOXBOX DVI receivers can be daisy-chained so that displays in multiple locations can be served from a single transmitter.
  • Available as an 850 nm multimode model for moderate-range transmissions, and a 1310 nm singlemode model for extreme distances up to 30 km (18.75 miles)
  • Second fiber link enables bidirectional RS-232 pass-through, control from either location, and real-time system monitoring
  • Industry standard LC connectors provide reliable physical connectivity and precise fiber core alignment
  • Real-time status LED indicators for troubleshooting and monitoring — LEDs on the transmitter and receiver front panels verify the presence of DVI and audio signals at the transmitter as well as active fiber links between the units. Requires second fiber link.
  • Alarm notification for fiber link loss — The FOXBOX DVI can be set up to trigger an external control system for immediate notification when a fiber link has been lost. Requires second fiber link.
  • Auto Input Memory — When activated, the FOXBOX DVI receiver automatically stores position and detail settings based on the incoming signal. When the same signal is detected again, these image settings are automatically recalled from memory.
  • 30 user memory presets — In addition to Auto Memory, 30 user memory presets on the FOXBOX DVI receiver are available for saving and recall of position and detail information for multiple incoming sources.
  • The ability to save and recall presets is useful in switcher-based environments.
  • Audio gain & attenuation adjustment and muting capability
  • RS-232 control at transmitter and receiver — The FOXBOX 4G DVI transmitter and receiver feature RS-232 serial ports for control and configuration. The second fiber link allows for control of both units at either location, as well as remote verification of fiber link status and the presence of input DVI and audio signals.
  • Internal test patterns for calibration and setup — Three test patterns are available, including grayscale, color bars, and alternating pixels.
  • Auto-Image™ automatically optimizes output — When paired with the FOXBOX VGA or FOX 500 transmitter for sending analog RGB signals, a press of a button automatically adjusts the sizing, centering, and filtering to optimize the output image. This can save time and effort in fine tuning displayed images. Requires second fiber link.
  • Compatible with FOXBOX VGA, FOX 500 DVI, and FOX 500 transmitters and receivers, and FOX 500 DA6 transmitter/distribution amplifier 1" (2.5 cm) high, quarter rack width metal enclosures — With a low profile enclosure, both devices can be discreetly installed, such as above a projector or behind a flat-panel display.
  • Highly reliable, energy-efficient external universal power supply included, replacement part #70-775-01 — Provides worldwide power compatibility, with high demonstrated reliability and low power consumption for reduced operating costs.


  • Optical fiber interconnection between transmitter and receiver:
    • Number/type: 1 or 2 fiber optic
    • Connectors: 2 LC connectors
    • Operating distance:
      • Singlemode: 30 km (18.75 miles) with singlemode (SM) cables with a FOXBOX 4G SM
      • Multimode:
        • 300 m (985') with 62.5 µm multimode (MM) cables with a FOXBOX 4G MM
        • 1 km (3280') with 50 µm multimode (MM) cables with a FOXBOX 4G MM
        • 2 km (6561') with 50 µm 2000 MHz bandwidth laser optimized multimode cable with a FOXBOX 4G
    • Nominal peak wavelength: 850 nm for FOXBOX 4G MM, 1310 nm for FOXBOX 4G SM
    • Data rate: 4.25 Gbps
    • Transmission power:
      • Singlemode: -5 dBm, typical
      • Multimode: -5 dBm, typical
    • Maximum receiver sensitivity:
      • Singlemode: -18 dBm, typical
      • Multimode: -12 dBm, typical
    • Optical loss budget:
      • Singlemode: 13 dB, maximum
      • Multimode: 7 dB, maximum
  • Video:
    • Resolution range: Up to 1600x1200 or 1080p @ 60 Hz pixel for pixel; higher resolutions up to 1920x1200 @ 60 Hz, undersampled
    • Formats: RGB and YCbCr digital video
    • Standards: DVI 1.0, HDMI 1.2
  • Video input — transmitter:
    • Number/signal type: 1 single link DVI-D (or HDMI*)
    • Connectors: 1 female DVI-I
  • Video output — receiver:
    • Number/signal type: 1 single link DVI-D (or HDMI*)
    • Connectors: 1 female DVI-I
    • Nominal level: 0.8 Vp-p
    • Video delay: 1-2 frames
  • Audio:
    • Gain:
      • Range: Adjustable, -18 dB to +10 dB
      • Default: Unbalanced output: 0 dB
    • Frequency response: 20 Hz to 20 kHz, ±0.5 dB
    • THD + Noise: 0.10% @ 1 kHz at nominal level
    • S/N: >80 dB at maximum output (unweighted)
    • CMRR: 65 dB @ 20 Hz to 20 kHz
    • Audio bits per sample: 18 bits per channel, 2 channels (L, R)
    • Sampling rate: 48 kHz
  • Audio input — transmitter:
    • Number/signal type: 1 unbalanced stereo or 2 unbalanced mono
    • Connectors: (1) 3.5 mm mini stereo jack
    • Impedance: 18k ohms unbalanced, DC coupled
    • Nominal level: -10 dBV (316 mVrms)
    • Maximum level: +8.9 dBV, (unbalanced) at 1% THD+N
  • Audio output — receiver:
    • Number/signal type: 1 unbalanced stereo or 2 unbalanced mono
    • Connectors: (1) 3.5 mm mini stereo jack
    • Impedance: 50 ohms unbalanced
    • Nominal level: -10 dBV (316 mVrms)
    • Maximum level (Hi-Z): +7.6 dBu, unbalanced at 1% THD+N
    • Maximum level (600 ohm): >+6.3 dBu, unbalanced at 1% THD+N
    • Audio delay: 1.5 frames
  • Control/remote:
    • Serial control ports on each unit (transmitter and receiver):
      • Control: 1 RS-232, 2.5 mm mini stereo jack (front panel)
      • Pass-through: 1 RS-232, 3.5 mm captive screw connector, 5 pole (3 pins are used) (rear panel)
    • Baud rate and protocol:
      • Control: 9600 baud, 8 data bits, 1 stop bit, no parity
      • Pass-through: 9600 to 115,200 baud
    • Program control:
      • Extron control/configuration program for Windows®
      • Extron Simple Instruction Set™ (SIS™)
  • General:
    • External power supply: 100 VAC to 240 VAC, 50-60 Hz, external; to 12 VDC, 1 A, regulated
    • Power input requirements: 12 VDC, 0.6 A
    • Temperature/humidity:
      • Storage: -40 to +158 °F (-40 to +70 °C) / 10% to 90%, noncondensing
      • Operating: +32 to +122 °F (0 to +50 °C) / 10% to 90%, noncondensing
    • Cooling: Convection, vents on top and side panels
    • Thermal dissipation:
      • Transmitter:
        • 115 VAC, 60 Hz: 7.7 BTU/hr
        • 240 VAC, 50 Hz: 11.0 BTU/hr
      • Receiver:
        • 115 VAC, 60 Hz: 7.2 BTU/hr
        • 240 VAC, 50 Hz: 10.5 BTU/hr
    • Mounting:
      • Rack mount: Yes, with optional rack shelf
      • Furniture mount: Yes, with optional under desk mounting kit
    • Enclosure type: Metal
    • Enclosure dimensions:
      • 1.0" H x 4.3" W x 6.0" D (quarter rack wide)
      • (2.5 cm H x 10.9 cm W x 15.2 cm D)
      • (Depth excludes connectors.)
    • Product weight: 0.7 lbs. (0.3 kg) per unit, 1.4 lbs. (0.6 kg) per pair
    • Shipping weight: 3 lbs. (2 kg) per unit, 6 lbs. (3 kg) per pair


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