DATOptic ARC-1680 Series - Manual (Page 33)

HARDWARE INSTALLATION
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Figure 2-13, Min SAS 4i to Min SAS 4i Cable
Figure 2-14, Min SAS 4x to Min SAS 4x Cable
2.4.3 Internal Min SAS 4i to Internal Min SAS 4i
cable
The SAS RAID controllers have 1-6 Min SAS 4i internal connec-
tors, each of them can support up to four SAS/SATA signals.
These adapters can be installed in a server RAID enclosure with
Min SAS 4i internal connectors backplane. This Min SAS 4i cable
has eight signal pins to support four SAS/SATA drives and six pins
for the SGPIO (Serial General Purpose Input/Output) side-band
signals. The SGPIO bus is used for efficient LED management and
for sensing drive Locate status.
2.4.4 External Min SAS 4i Drive Boxes and Drive
Expanders
The Min SAS 4X external cables are used for connection between
the SAS controller external connectors and connectors on the ex-
ternal drive boxes or drive expanders (JBOD). The SAS controller
has Min SAS 4x (SFF-8088) external connector, each of them can
support up to four SAS/SATA signals.