Removing An Lc-Lc Fibre Channel Cable; Connecting Storage Expansion Enclosures To The Ds5020; Lc-Lc Fibre Channel Cable Lever And Latches - IBM System Storage DS5020 Installation, User's, And Maintenance Manual

Removing an LC-LC Fibre Channel cable

Complete the following steps to remove an LC-LC Fibre Channel cable:
Attention:
you observe the following precautions:
v Press and hold the lever to release the latches before you remove the cable from
v Make sure that the levers are in the released position when you remove the
v Do not grasp the SFP module plastic tab when you remove the cable.
1. On the end of the LC-LC cable that connects into the SFP module or host bus
Figure 33. LC-LC Fibre Channel cable lever and latches
2. While pressing down the cable lever, carefully pull on the connector to remove
Figure 34. Removing the LC-LC Fibre Channel cable
3. Replace the protective caps on the cable ends.
4. Replace the protective cap on the SFP module.

Connecting storage expansion enclosures to the DS5020

Attention:
must be populated with at least two E-DDMs. If at least two E-DDMs are not
installed in the DS5020, an insufficient load to the enclosure power supplies might
cause them to intermittently appear as failed, falsely indicating the power supplies
are bad. All of the E-DDMs in the DS5020 storage subsystem and the connected
storage expansion enclosure or enclosures must contain no prior configuration data.
56
IBM System Storage DS5020 Storage Subsystem: Installation, User's, and Maintenance Guide
To avoid damaging the LC-LC cable or SFP module, make sure that
the SFP module.
cable.
adapter, press down and hold the lever to release the latches, as shown in
Figure 33.
Lever
Latches
the cable from the SFP module, as shown in Figure 34.
Before you turn on the power to the DS5020 storage subsystem, it