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Expands Quatro GTU output from 8 to 48 points 
Unique design for direct attachment to Quatro GTU 
Cascade up to 3 expanders 
Expander and GTU Powered by single 20V PSU 
Small form factor 
The GTU Expander can increase the output from a Quatro GTU from 8 to 48 outputs (when 
using 3 x 16 way expanders in cascade). Its unique design allows it to be connected directly to 
the Quatro GTU without using additional cables. 
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