Table Of Contents - Huawei PAC2000S12-B1 PSU Technical Manual

PAC2000S12-B1 PSU
Technical Manual
Contents
Contents
About This Document................................................................................................................. i
1 Product Overview.................................................................................................................... 1
2 Electrical Specifications......................................................................................................... 3
2.1 Environmental.......................................................................................................................................................................... 3
2.2 Input............................................................................................................................................................................................. 4
2.3 Output......................................................................................................................................................................................... 6
2.4 Efficiency.................................................................................................................................................................................. 11
2.5 Protection................................................................................................................................................................................ 12
3 Characteristic Curves............................................................................................................ 17
4 Typical Waveforms................................................................................................................ 18
4.1 Turn-on/Turn-off................................................................................................................................................................... 18
4.2 Output Voltage Dynamic Response............................................................................................................................... 19
4.3 Output Voltage Ripple........................................................................................................................................................ 21
5 Energy Saving Feature......................................................................................................... 22
5.1 Active/Standby (Hot Standby) Power Supply............................................................................................................. 22
5.2 Deep Sleep Function............................................................................................................................................................ 26
5.3 Cold Standby Energy Saving............................................................................................................................................. 26
6 Hot Swap Requirements...................................................................................................... 28
7 Internal Cooling Fan............................................................................................................. 29
8 Parallel Operation................................................................................................................. 31
9 Control Functions.................................................................................................................. 32
9.1 Turn-on/Turn-off Timing.................................................................................................................................................... 32
9.2 ORing-FET................................................................................................................................................................................34
9.3 PSON12V#...............................................................................................................................................................................34
9.4 PRESENT#................................................................................................................................................................................ 35
9.5 INSTALLED#............................................................................................................................................................................ 35
9.6 OPOK#...................................................................................................................................................................................... 36
9.7 IPOK#........................................................................................................................................................................................ 38
9.8 IPOK LINK#............................................................................................................................................................................. 39
9.9 CYC_PWR#............................................................................................................................................................................... 39
9.10 I_MON#................................................................................................................................................................................. 40
9.11 IP PRESENT#........................................................................................................................................................................ 40
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