Catalyst Switch Module 3110G

4 external 10/100/1000BASE-T Ethernet ports, 14 internal 1000BASE-X Ethernet downlink ports, 1 internal 100BASE-T Ethernet management port, 2 StackWise Plus ports

Cisco IOS Release 12.2(40)EX2

CVR-X2-SFP V02思科原装光纤模块

Catalyst Switch Module 3110X

1 external 10-Gigabit Ethernet module slot, 14 internal 1000BASE-X Ethernet downlink ports, 1 internal 100BASE-T Ethernet management port, 2 StackWise Plus ports

 CVR-X2-SFP V02思科原装光纤模块

NoteSwitches running Cisco IOS Release 12.2(52)SE or later ship with the Cisco TwinGig Converter Module (model CVR-X2-SFP) installed.

Cisco IOS Release 12.2(40)EX2

Catalyst Switch Module 3012

4 external 10/100/1000BASE-T Ethernet ports, 14 internal 1000BASE-X Ethernet downlink ports, 1 internal 100BASE-T Ethernet management port

Cisco IOS Release 12.2(40)EX2

Cisco X2 transceiver modules

X2-10GB-SR V02 or later
X2-10GB-CX4 V03 or later
X2-10GB-LX4 V03 or later

10 Gigabit Ethernet X2 ZR optical modules

Cisco IOS Release 12.2(40)EX2

Cisco IOS Release 12.2(50)SE

SFP modules

SFP-10G-SR
SFP-10G-LR   CVR-X2-SFP V02思科原装光纤模块

Cisco IOS Release 12.2(50)S