Huawei PAC2000S12-B1 PSU Technical Manual page 5

PAC2000S12-B1 PSU
Technical Manual
Contents
9.12 PS_INTERRUPT#.................................................................................................................................................................. 41
9.13 EFUSEV................................................................................................................................................................................... 41
9.14 SMART_ON#........................................................................................................................................................................ 42
10 Communication................................................................................................................... 44
10.1 Physical Link Layer Protocol........................................................................................................................................... 44
10.1.1 I2C Signal........................................................................................................................................................................... 44
10.1.2 I2C Address........................................................................................................................................................................ 45
10.2 Data Link Layer Protocol................................................................................................................................................. 45
10.2.1 Data Transmission Mode.............................................................................................................................................. 45
10.2.2 I2C Bus Timeout.............................................................................................................................................................. 46
10.3 Network Layer Protocol................................................................................................................................................... 46
10.3.1 Addressing Mode of a Slave Device......................................................................................................................... 46
10.3.2 Data Packet Verification Mode.................................................................................................................................. 46
10.3.3 CRC Generation Rules.................................................................................................................................................... 46
10.3.4 Data Transmission...........................................................................................................................................................46
10.4 Application Layer Protocol.............................................................................................................................................. 48
10.4.1 Data Format......................................................................................................................................................................48
10.4.2 Commands........................................................................................................................................................................ 49
10.4.3 Online Upgrade............................................................................................................................................................... 53
10.4.4 Black Box Function......................................................................................................................................................... 53
10.4.4.1 Runtime Counter..........................................................................................................................................................53
10.4.4.2 Event Log........................................................................................................................................................................ 53
10.4.4.3 Format of Reading Logs............................................................................................................................................ 54
11 Mechanical Overview.........................................................................................................55
11.1 Dimensions........................................................................................................................................................................... 55
11.2 Output Connector.............................................................................................................................................................. 57
11.3 LED Indicator........................................................................................................................................................................58
A EMC Specifications................................................................................................................60
B Product Safety Testing......................................................................................................... 62
C Reliability................................................................................................................................ 63
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