cooler,
For a complete list of the specifications on the NI 6602, please reference Appendix A: Specifications of the 6602 User Manual.
6601/6602 User Manual
http://digital.ni.com/manuals.nsf/websearch/DD0DBB6404BC139886256721007CF16D?OpenDocument&node=132100_US
Regards,
Justin Britten
Applications Engineer
National Instruments