what about this tester, similar to your Roll CS100 but offers 5 pin and CAT5 testers

http://www.amazon.com/Hosa-CBT500-Cable-Tester/dp/B0085GYT30/ref=pd_sim_sbs_267_3?ie=UTF8&refRID=1GHCCY0NWVF23TY9RCDY&dpID=41zF-ATonvL&dpSrc=sims&preST=_AC_UL160_SR160%2C160_