HI,
please check this port upgrade, if you product support the SFP module :
CODE. 3CSFP91 from 2 to 220 meter
CODE. 3CSFP92 from 2 to 550 meter
CODE. 3CSFP97 from 2 to 70 Km
remember to check if your product support all this module, refer to the datasheet of your switch.
This message was edited by xabarax on 3-22-10 @ 7:36 PM