8634XGRS Routing Switch Module. Combination module with 2 port 10GBase-X XFP, 24 port SFP (inc 100FX support) and 8 port autosensing 10BASE-T/100BASE-TX/1000Base-T baseboard (XFPs and SFPs purchased seperately) . The 8634XGRS requires the use of the 869