Samsung OfficeServ 12 Service Manual Manual pdf 44 page image
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Samsung OfficeServ 12 Service Manual

Also see for OfficeServ 12: General description

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Contents
  1. CHAPTER 1. System Specifications
  2. revision history
  3. safety concerns
  4. Table Of Contents
  5. Table Of Contents
  6. Table Of Contents
  7. Hardware Descriptions
  8. Ports and Switch (After Removing Side Cover)
  9. Bottom View
  10. Specifications
  11. Power Specifications
  12. CHAPTER 2. Disassembly and Reassembly
  13. When 2BRI is Equipped
  14. Disassembly Procedure
  15. CHAPTER 3. Troubleshooting
  16. Power Failures
  17. Base board Failures
  18. SLI Failures
  19. troubleshooting
  20. DLI Failures
  21. MISC Failures
  22. Caller ID Failures
  23. LAN Failures
  24. MGI Failures
  25. CHAPTER 4. H/W Block Diagrams and Schematic Description
  26. power supply unit
  27. MGI Board
  28. Ring Generator
  29. CHAPTER 5. Exploded View and Parts List
  30. Base Board
  32. A.1 Base board
  33. A.1.2 Solder Side
  34. A.2 3/4TRK Board
  35. A.2.2 Solder Side
  36. A.3 2BRI Board
  37. A.3.2 Solder Side
  38. A.4 MGI Board
Samsung OfficeServ 12 Service Manual Manual pdf 44 page image
© SAMSUNG Electronics Co., Ltd. 17Failure 2When Ring is not terminated.Troubleshooting 2NoIs HOS(Hook Off Sensing) output?YesReplace TMC(U51)NoIs the ringsupplying voltage higherthan 40 Vrms?Check if ring supplying voltages at theTIP and RING are higher than 40 VrmsYesRequest to repair the trunk line- Check the ring path- Consisting of two Zener diodesEND
/ 117
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This manual is suitable for:
OfficeServ 12
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