IBM DCS3700, Инструкция по установке, использованию и обслуживанию

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To remove a mini-SAS cable, complete the following steps:
1.
Put one finger into the hole on the blue plastic tab on the mini-SAS connector and gently pull on the
tab to release the locking mechanism.
2. As you pull on the tab, pull out the connector to remove it from the port.
Installing SFP modules
SFP modules convert electrical signals to optical signals that are required for fibre channel transmission to
and from RAID controllers. After you install the SFP modules, you use fibre-optic cables to connect the
DSC3700 storage system to hosts with FC host bus adapters or FC switches.
Important: IBM SFP options have been tested and approved for the IBM DS storage products. For
optimal performance and compatibility, always use IBM SFP options when installing the IBM
DS products.
Before installing SFP modules and fibre-optic cables, read the following information:
v Do not mix long-wave SFPs and short-wave SFPs on a single storage subsystem. Use either long-wave
SFPs or short-wave SFPs. You can use the DS Storage Manager client to view the storage subsystem
profile in order to verify that you are not mixing long-wave and short-wave SFPs.
Attention: In addition, do not use long-wave SFPs in any of the FC ports in the FC drive loops.
(Long-wave SFPs are not supported for use in the drive ports of storage expansion enclosures.)
v
The SFP module housing has an integral guide key that is designed to prevent you from inserting the
SFP module improperly.
v
Use minimal pressure when inserting an SFP module into an SFP port. Forcing the SFP module into a
port could cause damage to the SFP module or to the port.
v
You can insert or remove the SFP module while the port is powered on.
v The operational or redundant loop performance is not affected when you install or remove an SFP
module.
v
You must insert the SFP module into a port before you connect the fibre-optic cable.
v You must remove the fibre-optic cable from the SFP module before you remove the SFP module from
the port. Refer to “Removing SFP modules” on page 46 for more information.
v
Make sure that you use the correct speed Fibre channel SFPs. There is no physical identification to
indicate the speed capability of an SFP other than the SFP label. Use the part number indicated on the
SFP label to determine the speed capability of the SFP.
Blue plastic tab
Figure 22. Removing a mini-SAS cable
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IBM System Storage DCS3700: Installation, User, and Maintenance Guide