IBM TotalStorageFAStT900, User Manual

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v
You must insert the SFP module into a mini-hub port before you connect the
fiber-optic cable.
v You must remove the fiber-optic cable from the SFP module before you remove
the SFP module from the mini hub.
v
Four indicator lights on a mini hub provide status information. If an SFP module
fails, the corresponding SFP port bypass indicator will be lit on the mini hub. For
more information, see “Mini-hub indicator lights” on page 26.
v
If you replace the SFP module and still experience problems, the FAStT900
Storage Server might have defective components or connections. Check the
storage-management software for indications of other component failures.
Replacing a failed SFP module
When instructed by the storage-management software, complete the following steps
to replace an SFP module from the mini hub.
Statement 3:
CAUTION:
When laser products (such as CD-ROMs, DVD drives, fiber optic devices, or
transmitters) are installed, note the following precautions:
v
Do not remove the covers. Removing the covers of the laser product could
result in exposure to hazardous laser radiation. There are no serviceable
parts inside the device.
v
Use of controls or adjustments or performance of procedures other than
those specified herein might result in hazardous radiation exposure.
DANGER
Some laser products contain an embedded Class 3A or Class 3B laser
diode. Note the following precautions. Laser radiation when open. Do not
stare into the beam, do not view directly with optical instruments, and
avoid direct exposure to the beam.
Attention: To avoid damage to the cable or SFP module, make sure you unplug
the LC-LC Fibre Channel cable before you remove the SFP module.
1. Remove the LC-LC Fibre Channel cable from the SFP module that has failed.
For more information, see “Handling fiber-optic cables” on page 4 and
“Removing an LC-LC Fibre Channel cable from an SFP module” on page 7.
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IBM TotalStorageFAStT900 Fibre Channel Storage Server: User’s Guide