What input power do NonStop NS16000 Carrier Grade systems require? seenagape 10 years ago What input power do NonStop NS16000 Carrier Grade systems require? A.a single -48 V DC source B.two separate -48 V DC sources C.3-phase 208 V AC, 20 amp source D.a single-phase 120 V AC, 15 amp source ← Previous question Next question →