Upper
Power
On
On
Off
Off
Fiber Optic Fibre Channel cables
The Enterprise Virtual Array uses orange, 50-µm, multi-mode, fiber optic cables for connection to the
SAN. The fiber optic cable assembly consists of two 2-m fiber optic strands and small form-factor
connectors on each end. See
To ensure optimum operation, the fiber optic cable components require protection from contamination
and mechanical hazards. Failure to provide this protection can cause degraded operation. Observe
the following precautions when using fiber optic cables.
•
To avoid breaking the fiber within the cable:
• Do not kink the cable
• Do not use a cable bend-radius of less than 30 mm (1.18 in)
•
To avoid deforming, or possibly breaking the fiber within the cable, do not place heavy objects
on the cable.
•
To avoid contaminating the optical connectors:
• Do not touch the connectors
• Never leave the connectors exposed to the air
• Install a dust cover on each transceiver and fiber cable connector when they are disconnected
If an open connector is exposed to dust, or if there is any doubt about the cleanliness of the connector,
clean the connector as described in
Figure 14 Fiber Optic Fibre Channel cable
Copper Fibre Channel cables
The Enterprise Virtual Array uses copper Fibre Channel cables to connect the drive enclosures to each
other, or to the loop switches and to the HSV controllers. The cables are available in 0.6-meter and
2.0-meter lengths. Copper cables provide performance comparable to fiber optic cables. Copper
cable connectors differ from fiber optic small form-factor connectors (see
Lower
•
Top port—Fibre Channel drive enclosure signal detected.
•
Power—Present.
•
Bottom port—EMU detected possible transceiver problem. Check transceiver
and fiber cable connections.
Flashing
NOTE:
The EMU will not flash the lower indicator on its own. It will flash only in
response to a locate command. You can flash each of the lights independently
during a locate action.
•
No I/O module power.
•
I/O module is nonoperational.
Off
•
Check power supplies. If power supplies are operational, replace I/O module.
Figure
14.
Handling fiber optic
CXO7972A
HP StorageWorks 4x00/6x00/8x00 Enterprise Virtual Array user guide
Descriptions
cables.
Figure
15).
57
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