Thanks guys but....
Yes the qhy5 works....And NO I do not need a realy box according to the manual :
IMPORTANT:
There are two different versions of the Gemini Autoguider port hardware. The versions can be distinguished by the type of connectors used for the motor cables. The older Gemini version uses RJ-45 modular connectors, and the newer version uses 6-pin DIN connectors. The primary difference between the versions is that the older version does not directly support autoguiders with TTL output, but the newer version does.
Both versions of the Gemini Autoguider port are plug compatible with SBIG model ST-4 and STV autoguiders.
and mine is the new style Gemini.