Topaz Router
Revision 2.0 Page 5
Figure 2-7: Rear View of Topaz QT-3232-AA Router
Figure 2-8: Rear View of Topaz QT-1616-AA Router
2.3.1. Video Inputs and Outputs
These connections are made using standard 75Ω video coaxial cables. A high quality cable such as
PSF1/2 (TF3255) for analog video, PSF1/3 (TF3304) for SDI video, Belden 8281 or 1694 for SDI-HD
video or suitable equivalents should be used for optimum performance. It is both important and good
practice that cables are properly supported and not hanging on the connectors as this can put
unnecessary stress on the connectors and possibly reduce their working life.
On Topaz routers of 16x16 and 32x16, outputs 1-14 are single outputs and 15 and 16 are dual outputs.
On 32x32 routers, outputs 1-14 and 17-30 are single outputs and 15, 16, 31, and 32 are dual outputs.
2.3.2. Video Sync
Standard Definition, High Definition, and Analog Video routers have a separate looping Ref input that
takes any standard analog video signal with standard sync. In addition High Definition routers will also
accept a tri-level sync.
If no reference signal is connected then the unit will make crosspoint changes at a rate of
approximately 40Hz.
2.3.3. Audio Inputs and Outputs
Unbalanced AES digital audio should be routed using the Topaz Analog Video router. The connections
of the analog audio signals to the equipment are made using 50 way multi-way connectors. One
connector is used for each block of 16 audio channels.
The matching cable connectors are all PLUG types. They are not supplied as standard because many
customers prefer to buy their connectors in bulk and prepare the cables in advance of the equipment
being shipped.
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