Hi
The WS-X6748-GE-TX is a module for the 6500/7600. It is a 48 10/100/1000 port Line card that will only work with the SUP720 as it has no classic bus connetion, it has 2 20 G connectors the the crossbar.
hxxp://www.cisco.com/en/US/prod/collateral/switches/ps5718/ps708/prod_bulletin0900aecd800f6e27.html
I'm not sure about the SC-SVC-IPSV6.0-K9 , but it looks like Intrustion prvention software, product description below :-
Cisco IPS Sensor Software delivers inline intrusion prevention to protect your network from known and unknown attacks. Part of Cisco's intrusion prevention solution, Cisco IPS Sensor Software provides the intelligence to accurately detect, classify, and stop malicious applications, viruses, worms, and spyware/adware, before they can affect your network. Using unique Multivector threat identification algorithms, Cisco IPS Sensor Software identifies an extensive range of attacks using multiple inspection and classification capabilities. Cisco's accurate intrusion prevention system (IPS) technologies stop malicious traffic through the use of correlation and validation tools, protecting valuable business-critical data and
