Ross QRA-8808, User Manual

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QRA-8808 User Guide (v5.0) Before You Begin • 11
Before You Begin
Your QRA-8808 is an 3G/HD/SD Multi-Definition SDI distribution amplifier, capable of equalizing and reclocking
all common serial digital signals. The LED indicator for each channel at the front of the card identifies the presence
of incoming video, simplifying system troubleshooting. Each QRA-8808 equalizes the incoming SDI signal, which
is then reclocked, with automatic rate detection for all popular data rates.
Features
The QRA-8808 includes the following features:
• Equalizes and reclocks SDI signals of 270Mbps, 1.485Gbps, and 2.97Gbps
• Accepts DVB-ASI (EN 50083-9), and SMPTE 310 signals
• Operates as a dual 1x4 + dual 1x3
• Configure and monitor via DashBoard
• Automatic detection of incoming data rate
• Automatically mutes the channel output when a loss of input occurs
• Automatically performs a fail-over switch between two SDI inputs
• LED indicator for signal presence
• Excellent input and output return loss
• Fits DFR-8321, OG3-FR, and OGX-FR series frames
• Fully compliant with openGear specifications
• 5 year transferable warranty
Functional Block Diagram
Figure 2.1 describes the workflow of the QRA-8808 with the 8320AR-302 rear module.
Figure 2.1 Simplified Diagram — Dual 1x4 and Dual 1x3 Configuration
IN CH C
IN CH B
IN CH A
IN CH D
Equalizer
Equalizer
Equalizer
Equalizer
Reclocker
Reclocker
Reclocker
OUT 1A
OUT 2A
OUT 3A
OUT 4A
OUT 1B
OUT 2B
OUT 3B
OUT 4B
OUT 1C
OUT 2C
OUT 3C
OUT 1D
OUT 2D
OUT 3D
Reclocker