HP 6400/8400 HP StorageWorks 6400/8400 Enterprise Virtual Array User Guide - Page 10

I/O modules, I/O module status indicators

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Figure 3 Disk enclosure rear view 1. Power supply 1 3. Fan 1 5. Fan 1 status LED 7. I/O module B 9. Enclosure status LEDs 11. Power push button 2. Power supply 1 status LED 4. Enclosure product number and serial number 6. I/O module A 8. Rear UID push button 10. Fan 2 12. Power supply 2 I/O modules Two I/O modules provide the interface between the disk enclosure and the host controllers, (Figure 4 (page 10)). For redundancy, only dual-controller, dual-loop operation is supported. Each controller is connected to both I/O modules in the disk enclosure. Each I/O module has two ports that can transmit and receive data for bidirectional operation. Activating a port requires connecting a Fibre Channel cable to the port. The port function depends upon the loop. Figure 4 I/O module detail 1. Double 7-segment display: enclosure ID 3. Port 1 (P1), Port 2 (P2) status LEDs 5. I/O module status LEDs 2. 4 Gb I/O ports 4. Manufacturing diagnostic port I/O module status indicators There are five status indicators on the I/O module. See Figure 4 (page 10). The status indicator states for an operational I/O module are shown in Table 1 (page 11). Table 2 (page 11) shows the status indicator states for a non-operational I/O module. 10 EVA6400/8400 hardware

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Figure 3 Disk enclosure rear view
2. Power supply 1 status LED
1. Power supply 1
4. Enclosure product number and serial number
3. Fan 1
6. I/O module A
5. Fan 1 status LED
8. Rear UID push button
7. I/O module B
10. Fan 2
9. Enclosure status LEDs
12. Power supply 2
11. Power push button
I/O modules
Two I/O modules provide the interface between the disk enclosure and the host controllers,
(
Figure 4 (page 10)
). For redundancy, only dual-controller, dual-loop operation is supported. Each
controller is connected to both I/O modules in the disk enclosure.
Each I/O module has two ports that can transmit and receive data for bidirectional operation.
Activating a port requires connecting a Fibre Channel cable to the port. The port function depends
upon the loop.
Figure 4 I/O module detail
2. 4 Gb I/O ports
1. Double 7–segment display: enclosure ID
4. Manufacturing diagnostic port
3. Port 1 (P1), Port 2 (P2) status LEDs
5. I/O module status LEDs
I/O module status indicators
There are five status indicators on the I/O module. See
Figure 4 (page 10)
. The status indicator
states for an operational I/O module are shown in
Table 1 (page 11)
.
Table 2 (page 11)
shows
the status indicator states for a non-operational I/O module.
10
EVA6400/8400 hardware