IBM System Storage DS5020, Installation, User'S, And Maintenance Manual

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7. Disconnect all attached interface cables from the failed controller, including the
SFP modules. Make sure that you label each cable so that you can reconnect
them correctly to the new controller.
Use the following procedure to remove the SFPs from the RAID controller that
has failed:
a. Remove the LC-LC Fibre Channel cable from the SFP module. For more
information, see “Handling fiber-optic cables” on page 49.
b. Unlock the SFP module latch:
v For SFP modules that contain plastic tabs, unlock the SFP module latch
by pulling the plastic tab outward 10°, as shown in Figure 75.
v For SFP modules that contain wire tabs, unlock the SFP module latch by
pulling the wire latch outward 90°, as shown in Figure 76.
c. With the SFP latch in the unlocked position, extract the SFP module.
v
For SFP modules that contain plastic tabs, slide the SFP module out of
the port.
v
For SFP modules that contain wire tabs, grasp the wire latch and pull
the SFP module out of the minihub port.
d. Replace the protective cap on the SFP module.
e. Place the SFP module into a static-protective package.
f. Replace the protective cap on the port.
8. Squeeze the controller latch and pull the lever open 90° (so that the lever is
horizontal) to release the controller from the latch. The controller latch is a
coral colored tab on the lever.
Protecti ve cap
SFP module
10
o
Plastic tab
Figure 75. Unlocking the SFP module latch - plastic variety
Protectiv e cap
SFP module
90
o
Wire tab
Figure 76. Unlocking the SFP module latch - wire variety
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IBM System Storage DS5020 Storage Subsystem: Installation, User’s, and Maintenance Guide