Cisco Cisco IOS Software Release 12.2(8)YN

Complete the following steps to determine the Cisco IOS software version running on Cisco ICS 7750 
ASI, MRP, or SSP cards:

On a PC, choose Start > Run. 

Enter the following command to open a Telnet session, where IP address is the IP address of the card 
that you wish to verify:

 IP address

Enter your login password.

Enter the show version command:

card> show version

8-port FXS 
module

Not applicable

Not applicable

Not applicable

Not applicable

VIC-2DID, 
VIC-2E/M, 
VIC-2FXO, 
VIC-2FXO-M1, 
VIC-2FXO-M2, 
VIC-2FXO-M3, 
VIC-4FXO-M1 , 
VIC-2FXS, 
VIC-4FXS/DID, 
VWIC-1MFT-T1 
(voice), 
VWIC-1MFT-E1 
(voice), 
VWIC-2MFT-T1 
(1 voice, 1 data), 
VWIC-2MFT-E1 
(1 voice, 1 data) 
WIC-1T, WIC-2T, 
WIC-2A/S, 
WIC-1B-ST, 
WIC-1B-U, 
WIC-1DSU-56K4, 
WIC-1DSU-T1

1.

Up to 48 voice channels are now supported on the same MRP300, in certain configurations. See the  

  for more information.