Cisco Cisco IOS Software Release 12.2(55)SE

Catalyst 2350-48TD-S

48 10/100/1000 Ethernet ports, 



2 10-Gigabit Ethernet X2 module slots, 
AC power

Cisco IOS Release 12.2(46)EY

Catalyst 2350-48TD-SD

48 10/100/1000 Ethernet ports, 



2 10-Gigabit Ethernet X2 module slots, 
DC power

Cisco IOS Release 12.2(46)EY

Cisco X2 transceiver modules

X2-10GB-SR V02 or later



X2-10GB-CX4 V03 or later



X2-10GB-LRM

Cisco IOS Release 12.2(46)EY

Cisco TwinGig Converter Module

Dual SFP X2 converter module to allow 
the switch to support SFP

1

1.

SFP = small form-factor pluggable.

 Gigabit 

Ethernet modules

Cisco IOS Release 12.2(46)EY

SFP modules

1000BASE-SX 



1000BASE-T

Cisco IOS Release 12.2(46)EY

DOM

2

2.

DOM = digital optical monitoring.

 support for these SFP modules X2-10GB-SR 



X2-10GB-LRM

Cisco IOS Release 12.2(46)EY

SFP module patch cable

3

3.

The SFP module patch cable is a 0.5-meter, copper, passive cable with SFP module connectors at each end. The patch cable can connect two 



Catalyst 2350 switches in a cascaded configuration.

CAB-SFP-50CM

Cisco IOS Release 12.2(46)EY

C3K-PWR-265WAC

265-W AC-power-supply module

Cisco IOS Release 12.2(46)EY

C3K-PWR-265WDC

265-W DC-power-supply module

Cisco IOS Release 12.2(46)EY

C3K-BLWR-60CFM

Fan module

Cisco IOS Release 12.2(46)EY