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1. DS4700 Express hot-swap drive bays .......................7
2. Back view; connectors, switch, ports, enclosure ID on model 70 .............10
3. Back view; connectors, switch, ports, enclosure ID on model 72 .............10
4. Power supply and fan unit components for DS4700 Express model 70 ...........13
5. Power supply and fan unit components for DS4700 Express model 72 ...........13
6. Power supply and fan unit and airflow .......................14
7. DC power supply and fan unit ..........................15
8. DC power supply and fan unit for DS4700 Express model 70 ..............15
9. DC power supply and fan unit for DS4700 Express model 72 ..............16
10. Battery unit .................................18
11. SFP module and fiber optic cable.........................19
12. Bezel ...................................20
13. Filter and filter retainer.............................20
14. DS4700 Express dimensions ..........................23
15. DS4700 Express airflow ............................25
16. Example of cold aisle/hot aisle rack configuration ...................29
17. Example of DS4700 Express serial number, machine type, and model number location .....32
18. Front rack mounting template ..........................37
19. Rear rack mounting template ..........................38
20. Installing the support rails ...........................40
21. Removing and replacing a controller........................42
22. Removing a power supply and fan unit.......................43
23. Removing a dc power supply and fan unit .....................45
24. Removing a E-DDM CRU ...........................46
25. Installing the DS4700 Express ..........................47
26. Securing the DS4700 Express to the rack cabinet...................48
27. Removing and replacing a controller........................49
28. Replacing a power supply and fan unit.......................50
29. Replacing a dc power supply and fan unit .....................52
30. Replacing an E-DDM .............................53
31. Installing a Telco bezel.............................54
32. Storage subsystem seven-segment enclosure ID on models 70 and 72 ...........56
33. Recommended bending and looping specifications for fibre-optic cables ..........58
34. SFP module and protective cap .........................60
35. Installing an SFP module into the host port .....................60
36. Unlocking the SFP module latch - plastic variety ...................61
37. Unlocking the SFP module latch - wire variety ....................61
38. LC-LC fibre-channel cable ...........................62
39. Removing fiber-optic cable protective caps .....................63
40. Inserting an LC-LC fibre-channel cable into an SFP module ...............63
41. LC-LC fibre-channel cable lever and latches.....................64
42. Removing the LC-LC fibre-channel cable ......................64
43. LC-SC fibre-channel cable adapter ........................65
44. Removing the LC-SC cable adapter protective caps ..................66
45. Connecting an LC-LC cable into the LC-SC cable adapter ...............66
46. LC-LC fibre-channel cable lever and latches.....................67
47. Removing the LC-LC fibre-channel cable from an LC-SC fibre-channel cable adapter .....67
48. Example of a redundant drive channel pair .....................69
49. DS4700 Express Storage Subsystem (Model 70) ports and controllers ...........71
50. DS4700 Express Storage Subsystem (Model 72) ports and controllers ...........71
51. One DS4700 Express and one storage expansion enclosure — Recommended cabling.....72
52. One DS4700 Express and two storage expansion enclosure — Not recommended cabling 73
53. One DS4700 Express and two storage expansion enclosure — Recommended cabling .....73
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