I want to connect the 2 using the GBIC and SFP at Gbit Speed. What are the modules needed? What cables are needed? And copper or fiber? The 2 switches are side by side.
If they are side by side the cheapest option would be a standard ethernet crossover cable. You'd need a GLC-T (1000Base-T SFP) on one end and a WS-G5483 (1000Base-T GBIC) on the other end.
This link is very useful: