Cisco Cisco IOS Software Release 12.2(35)SE

These are the procedures for downloading software. Before downloading software, read this section for 
important information:

The Cisco IOS image is stored as a bin file in a directory that is named with the Cisco IOS release. The 
image is stored on the system board flash device (flash:).

You can use the show version privileged EXEC command to see the software version that is running on 
your switch. The second line of the display shows the version.

You can also use the dir filesystem: privileged EXEC command to see the directory names of other 
software images that you might have stored in flash memory.

For a complete list of ME 3400 supported SFPs and part numbers, see the ME 3400 data sheet at:

SFP modules

ME 3400E

1000BASE-BX10, -SX, -LX/LH, -ZX
100BASE -BX10, -EX, -FX (GLC-FE-100FX only), -LX10, 
-ZX
1000BASE-T and 10/100/100BASE-T—Category 5,6

(SFP-only ports; not supported on dual-purpose ports)

Coarse wavelength-division multiplexing (CWDM) 

Dense wavelength-division multiplexing (DWDM) 

Digital optical monitoring (DOM) support for SFP-GE-S, 
SFP-GE-L, 1000BASE-BX10, 1000BASE-ZX, CWDM and 
DWDM SFPs 

See the hardware installation guide for SFP model 
numbers.

Cisco IOS Release 12.2(44)EY

Additional DWDM SFPs qualification 

Cisco IOS Release 12.2(50)SE

For a complete list of ME 3400E supported SFPs and part numbers, see the ME 3400E data sheet at:

Cable

Catalyst 3560 SFP interconnect cable

Cisco IOS Release 12.2(25)EX