Dell PowerVault MD3820f series Посібник користувача - Сторінка 16
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power failure is less likely to cause loss of data. The RAID controller automatically switches to write-
through if cache mirroring is disabled, or if the battery is missing, or has a fault condition.
SFP Transceivers, Fiber Optic, and SAS Cables
FC host connections may operate at 16 Gbps or at a lower data rate. Ports for 16 Gbps FC host
connections require SFP transceivers designed for this data rate. SFP transceivers that support other data
rates are incompatible.
WARNING: Do not disassemble or remove any part of a small form-factor pluggable (SFP)
transceiver due to the possibility of being exposed to laser radiation.
NOTE: Your SFP transceivers and cables may look different from the ones shown below. The
differences do not affect the performance of the SFP transceivers.
Figure 8. Fiber Optic Cable Connection
1.
SFP transceiver
The RAID expansion ports support SAS expansion connections.
Figure 9. SAS Cable
1.
mini SAS connector
3.
mini SAS HD connector
16
2.
fiber optic cable
2.
SAS cable