IEEE standards:
802.3 – Ethernet
802.3u – Fast Ethernet
802.3z – Gigabit Ethernet
802.3ab – Gigabit Ethernet over copper (1000Base-T)
802.3ae – 10 Gigabit Ethernet
Gigabit Ethernet was the result of merging IEEE 802.3 Ethernet and ANSI X3T11 FibreChannel.
GBIC/SFP types:
1000Base-SX
1000Base-LX/LH
1000Base-ZX
1000Base-T
GigaStack(Cisco Proprietary)
Fiber modules take the Rx fiber on the left and Tx on the right (when facing the module).
Interface error disabling can be tuned in global config: