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Appendix — Working With SFP Modules
And Fiber Optic Cables
Each storage controller can have up to four FC host ports. A small-form-factor pluggable (SFP) module is
used to connect a host port to a host or switch. The SFP module is inserted into the port, and then a fiber
optic cable is inserted into the SFP module. The other end of the fiber optic cable is connected to an
optical interface connector either in a FC HBA on a host or a switch. SFP modules are laser products.
WARNING: Data processing environments can contain equipment transmitting on system links
with laser modules that operate at greater than Class 1 power levels. Never look into the end of
an optical fiber cable or open receptacle.
Guidelines For Using SFP Modules
The storage array requires SFP modules. SFP modules convert electrical signals to optical signals that are
required for FC transmission to and from RAID controller modules. After installing the SFP modules, fiber
optic cables are used to connect the storage array to other FC devices. Before installing SFP modules and
fiber optic cables, read the following information:
• Use only Dell supported SFPs with the Dell PowerVault MD3860f series storage arrays. Other generic
SFPs are not supported and may not work with the storage arrays.
• The SFP module housing has an integral guide key that is designed to ensure you insert the SFP
module correctly.
CAUTION: Use minimal pressure when inserting an SFP module into a FC port. Forcing the SFP
module into a port may damage the SFP module or the port.
• You can install or remove the SFP module while the port is powered on.
• You must install the SFP module into a port before you connect the fiber optic cable.
• You must remove the fiber optic cable from the SFP module before you remove the SFP module from
the port.
CAUTION: When handling static-sensitive devices, take precautions to avoid damaging the
product from static electricity.
Installing SFP Modules
To install SFP modules:
1. If all the FC IN ports have an SFP module installed, go to step 5.
2. Remove the SFP module from the static protective package.
3. Remove the protective cap from the SFP module and SFP port.
NOTE: Store the protective caps for future use.
4. Insert the SFP module into the host port until it clicks into place.
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