> Also, the copper port is 10/100/1000, which can be very > convenient at times, while an SFP-T is just 1000T That is not a limitation of the SFP. A GLC-T can run 10/100/1000 if the hardware behind it supports it. Some hardware doesn't (e.g. 6500/7600), some hardware does (e.g. 3750/3560). -A