I have got Cisco SG500-52 switch. There is 4 GBIC ports (it looks the same). I need to connect 3 other switches via optical fibre . If i put 3 GBIC inside, it is working only two. (there is no lights on third port )
It is possible to change ports mode to use with 3-4 optical GBIC for connect with more than 2 switches ?
please, help me
(sorry for my english, if you dont dont understand what i mean, i can try to descripe my problem more)
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