Cisco Cisco SM-X Layer 2 3 EtherSwitch Service Module

You can copy the switch image to the ESM flash by following one of the two methods listed below:

Establish connectivity from your ESM’s front panel port to the TFTP server where the desired 
switch Cisco.com image is stored

Copy the switch image (available on Cisco.com) to the router’s flash and copy this image to ESM 
flash through TFTP.]

This section describes how to copy a switch image directly to the ESM flash through the TFTP server.