Manual

Table 7 Opera tional I/O module status in dicators
Upper Power Lower
Descriptions
Off
On
Off
• I/O Module is op
erational
On
Flashing, then On
On
• Top port—Fibre Channel drive enclosure signal d etected.
• Power—Flashes for about 90 seconds after initial power application,
then remains constant.
• Bottom port—Fibre Channel drive enclosure signal detected.
On On On
• Top port—Fibre Channel drive enclosure signal d etected.
• Power—Present.
• Bottom port—Fibre Channel drive enclosure signal detected.
Flashing Flashing Flashing
• When the l
ocate function is active, all three indicators flash
simultan
eously. The Locate function overrides a ll other indicator
function
s. Therefore, an error could be detected while the Locate
functio
n is active and not be indicated until the Locate action
termina
tes.
Table 8 N
on-operational I/O module status indica tors
Upper Power Lower
Descriptions
On On
Off
• Top port—Fibre Channel drive enclosure signal detected.
• Power—Present.
• Bottom port—No Fibre Channel drive enclosure signal detected.
Check transceiver and fiber cable connections.
NOTE:
This status applies to configurations with and without FC loop
switches.
Off
On On
• Top port—No Fibre Channel drive enclosure signal detected. Check
transceiver and fiber cable connections.
• Power—Present.
• Bottom port—Fibre Channel drive enclosure signal detected .
Flashing
On On
• To
p port—EMU detected p ossible transceiver problem. Check
tr
ansceiver and fiber cable connections.
• P
ower—Present.
• B
ottom port—Fibre Channel drive enclosure signal detected .
On On
Flashing
• Top port—Fibre Channel drive enclosure signal detected.
• Power—Present.
• Bottom por t—EMU detected possible transceiver problem. Check
transceiver and fiber cable connections.
NOTE:
The EMU will not flash the lower indicator on its own. It will flash
only in response to a locate c ommand. You can flash each of the
lights i ndependently during a locate action.
Off Off Off
• No I/O module power.
• I/O module is nonoperational.
• Check power supplies. If power supplies are operational, replace
I/O module.
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Enterprise Virtual Array hardware components