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Each ESM has an SFP module input port and an SFP module output port. When
you cable EXP100s together, if you connect the input ports to the output ports, it
can improve diagnostic capability. Refer to your DS4000 storage subsystem
documentation and the Fibre Channel Cabling Instructions for cabling connections
between input and output ports.
Cabling the power supply
Complete the following steps to connect the power supply cable:
1. Wrap the strain-relief clamp around the power cable approximately 20 cm (8 in.)
2. Attach the power supply nut and tighten it securely.
3. Connect the power cable to the power supply.
4. Plug the supply power cable into a properly grounded electrical outlet. For
5. Continue with "Turning the EXP100 on and off" for the initial startup of the
Turning the EXP100 on and off
When you turn on and turn off the EXP100, be sure to use the startup sequence in
this section.
Turning on the EXP100
Before you turn on the EXP100 or any other part of the storage subsystem, read
the following information:
58
IBM TotalStorage DS4000 EXP100 Storage Expansion Enclosure: Installation, User's and Maintenance Guide
from the power supply connection end.
maximum protection against power loss, connect each of the two power
supplies to a different power source.
expansion enclosure.
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Troubleshooting
