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IBM System Storage DCS9550 1S1 Storage Expansion Unit Installation, Service, and User Guide 25
Notes 1 ON = switch to the left, OFF = switch to the right.
11 SOFT SELECT On Selects functions using the
hardware switches
12 Not Used Off
Table 2–2 Ops Panel Switch Functions (Default settings for DCS9550 1S1 Storage Expansion Unit
SCM usage at 1Gb/s)
Switch
Number
Function Recommended
Setting
Definition
Table 2–3 Mode 1 Drive Addressing
Thumb
Wheel
Switch
Device Slot SEL_ID
Mode 1
0 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
NOTE:
Thumbwheel switch setting 0 causes a blinking amber LED indicating an invalid ID
condition; however, actual addressing is as stated.
1 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
2 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
3 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47
4 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63
5 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79
6 80 81 82 83 84 85 65 87 88 89 90 91 92 93 94 95
7 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111
8 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111
9 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111
10 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111
11 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111
12 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111
13 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111
14 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111
15 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111