For sale is ONE (1) used GFC-8322 Ref Card in excellent condition. We have a few units for sale (1 per listing price). This is one of them. All others are in same condition.
The GFC-8322 receives the analog reference signals driven to the REF 1 and REF 2 BNCs located on the rear panel of openGear series frame. The GFC-8322 then distributes both reference signals to each of the 20 slots in the frame