Detailed Product Description ZH-5 Embedded Electric Power Fault RecorderDESCRIPTIONZH-5 is the first global embedded fault recorder ... of voltage and current is less than ±0.5;Timing interface1support various timing modes, including NTP/SNTP, ... AB segment sampling frequency can be 10,000, 5,000 or 2,000Hz,and for segment C, ... are 4 fiber interfaces, or 3 net with 1 fiber interface, or 2 net with 2 fiber ...