??????????????? UPS ????, ????????ups??????????,??????,?????????????,????????????,????????? ??????,??????????????,????????????,????????????????????,??????????????,???????????????? - PowerPoint PPT Presentation

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Title:

??????????????? UPS ????, ????????ups??????????,??????,?????????????,????????????,????????? ??????,??????????????,????????????,????????????????????,??????????????,????????????????

Description:

Title: Author: Delete Last modified by: Delete Created Date: 5/18/2000 6:32:26 PM Document presentation format: – PowerPoint PPT presentation

Number of Views:105
Avg rating:3.0/5.0
Slides: 16
Provided by: del9162
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Tags: ups | freebsd | ups

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Transcript and Presenter's Notes

Title: ??????????????? UPS ????, ????????ups??????????,??????,?????????????,????????????,????????? ??????,??????????????,????????????,????????????????????,??????????????,????????????????


1
???????????
  • ?????????????
  • ??????? ??
  • ??? ??
  • ??? ??
  • ???????
  • ???

2
???????????
  • ? ?
  • ??????????????? UPS ????, ????????ups??????????,
    ??????,?????????????,????????????,?????????
    ??????,??????????????,????????????,???????????????
    ?????,??????????????,????????????????

3
???????????
  • ??
  • ?????,???????
  • ????????????????????,???????
  • ??????????

4
???????????
  • ?????

5
???????????
  • ????

????
???? ???????
??
??
??????UPS??
?
?
????
6
???????????
  • ?????

????
serial_formal.c
??device??
????daemon
??????
??
??2?
Fork??
??
?????UPS??
Fork??
??pid?????
????
???????????
??????
??
??
????
?????????
??device
??device??
??shell script??
??device??
????
7
???????????
  • ?????

? ?
5V ??
RS-232
????
RS-232
GND
????????
??????
UPS ??
5V ??
GND
??
GND
?? ??
GND
8
???????????
  • ??????
  • Delayed Power On?Relay???Off
  • Line Power On,UPS On?Delayed Power Off?Relay?On
  • Relay On?,??Delayed Power On,????Line
    Power?UPS?On?Off,???Relay On
  • Relay Off?,???Line Power On?UPS On,Relay????On

9
???????????
  • ???

10
???????????
  • ?????

11
???????????
  • ????

12
???????????
  • ????

13
???????????
  • ??????

14
???????????
  • ??????

15
???????????
  • ?????
  • ???????????????????,?????FreeBSD??,????????Windo
    ws?????????,???????????,??????????????,???????
  • ???????????????????,????????????????????????????
    ???????,????,?????????????
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