Ross Video Ltd DRA-8604-R2
Dual 3G Reclocking Distribution Amplifier with Rear Module

OUR PART #  DRA-8604-R2

Our Price: $699.00
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The Ross Video DRA-8604-R2 is a 2 channel, 3G distribution amplifier capable of equalizing and reclocking all common serial digital signals, including 3G / HD / SD SDI. Non-inverting output drivers make this ideal for distributing DVB-ASI signals as well.

With up to 8 outputs per independent input channel, the DRA-8604 can be used in space critical environments as a dual 1x8 DA, when paired with the –R2H HD-BNC rear module. This configuration allows for up to 20 1x8 DAs in a single openGear® frame, using 10 cards. With the included standard 10 BNC rear module, -R2, the DRA-8604 operates as a dual 1x4 distribution amplifier.

Each channel is fully independent, and can run at different data rates. LED indicators at the front of the module identify the presence of incoming video, and the data rate for each independent channel.

The failover feature enables the DRA-8604 to use a backup input source when the primary input source is lost. Once the DRA-8604 determines that the primary input source is stable for at least 3 seconds, it automatically switches back to the primary source.

Ross Video DRA-8604-R2 Features:

  • 2 independent channels of SDI distribution on one card
  • Equalizes and reclocks all SDI signals from 143Mb/s to 2.97Gb/s
  • Non-inverting outputs perfect for DVB-ASI distribution
  • Auto failover switch between the two SDI inputs
  • Automatic detection of incoming data rate
  • Up to 20 channels of 1x8 distribution in a single frame
  • LED indicators for signal presence and data rate for each channel
  • Excellent input / output return loss specifications

Ross Video DRA-8604-R2 Specifications:

SDI Inputs

  • Number of Inputs:  2
  • Data Rates and SMPTE Standards Accommodated
    • 270Mbps, 525/625 Component, SMPTE 259M
    • 270Mbps, SMPTE 310
    • 270Mbps, DVB-ASI
    • 1.485Gbps Component, SMPTE 292M
    • 2.97Gbps Component, SMPTE 424M
  • Impedance:  75O terminating
  • Equalization:
    • >400m (1300ft) of Belden 1694A cable @ 270MHz
    • >150m (490ft) of Belden 1694A cable @ 1.485GHz
    • >100m (325ft) of Belden 1694A cable @ 2.97GHz
  • Return Loss:  >15dB to 3GHz
  • Connector Type:  8320AR-300: BNC

SDI Outputs

  • Number of Outputs:
    • 4 per channel (2 channels)
    • 8, if the Channel Option menu is set to Single Channel
  • Impedance:  75O
  • Return Loss:
    • >15dB to 1.485GHz
    • >10dB to 2.97GHz
  • Signal Level:  800mV ±10%
  • DC Offset:  0V ±50mV
  • Rise & Fall Time (20-80%):
    • 700ps typical (270Mbps)
    • 120ps typical (1.485Gbps)
    • 135ps typical (2.97Gbps)
  • Overshoot:  <10%
  • Connector Type:  BNC


  • Maximum Ambient Temperature 40°C (104°F)


  • Total Power Consumption 2.7W
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