Owner's manual

Table 6 Operationa l I/O module stat us indi cators
Upper Power Lower
Descriptions
Off
On
Off
I/O Module is op
erational
On
Flashing, then On
On
Top por t—Fibre Channel drive enclosure signal detected.
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 por t—Fibre Channel drive enclosure signal detected.
PowerPresent.
Bottom port—Fibre Channel drive enclosure signal detected.
Flashing Flashing Flashing
When the l
ocate function is active, all three indicators ash
simultan
eously. The Locate function overrides all 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 7 N
on-operation al I/O m odul e status indicators
Upper Power Lower
Descriptions
On On
Off
Top por t—Fibre Channel drive enclosure signal detected.
Power—Present.
Bottom port—No Fibre Channel drive enclosure signal detected.
Check transceiver and ber cable connections.
NOTE:
This status applies to congurations with and without FC loop
switches.
Off
On On
Top port—No Fibre Channel drive enclosure signal detected. Check
transceiver and ber cable connections.
Power—Present.
Bottom port—Fibre Channel drive enclosure signal detected .
Flashing
On On
To
p port—EMU d etected possible transceiver problem. Check
tr
ansceiver and ber cable connections.
P
owerPresent.
B
ottom port—Fibre Channel drive enclosure signal detected .
On On
Flashing
Top por t—Fibre Channel drive enclosure signal detected.
Power—Present.
Bottom port —EMU detected possible transceiver problem. Check
transceiver and ber cable connections.
NOTE:
The EMU will not ash the lower indicator on its own. It will ash
only in response to a locate command. You can ash each of the
lights independently 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