Instruction Manual

Figure 3
9 Enclosure address b u s components with sh elf ID expansion ca bles
Callouts:
1. Shelf ID expansion cable port 1—Enclosure 1
2. Shelf ID expansion cable port 2—Enclosure 2
3. Shelf ID expansion cable port 3—Enclosure 3
4. Shelf ID expansion cable port 4 —Enclosure 4
5. Shelf ID expansion cable port 5—Enclosure 5
6. Shelf ID expansion cable port 6—Enclosure 6
7. Shelf ID expansion cable port 7—Enclosure 7 (used for b oth controllers)
8. Shelf ID expansion cable port 8 —Enclosure 8
9. Shelf ID expansion cable port 9—Enclosure 9
10. Shelf ID expansion cable port 10—Enclosure 10
11. Shelf ID expansion cable por t 11—Enclosure 11
12. Shelf ID expansion cable port 12—Enclosure 12
13. Shelf ID expansion cable port 13—Enclosure 13
14. Shelf ID expansion cable port 14—Enclosure 14 (not used on the same loop as port 8)
Enclosure and element conditions
The E M U constantly monitors enclosure operations and reports conditions that could affect operations.
These e
rrors are grouped, according to their severity, into the following types:
• Unrecoverable condition
• Critical condition
• Noncr
itical condition
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Storage system hardware components