You are looking at the AFC 0110-0015 UMC1000 POTS CHAN-RS Module, New (Rev 7B and 7C). These units are new with a 60 day warranty. We have 8 of the 7C and 4 of the 7B at the time of this listing. If you need one or the other please let us know when you place your order. Thanks for your interest!