
C-5
Appendix C SAS-113TQ Backplane Specications
#6 and #7. I
2
C Connectors
The I
2
C connectors, designated JP44 and
JP45, are used to monitor HDD activity and
status. See the table on the right for pin
denitions.
I
2
C Connector
Pin Denitions
Pin# Denition
1 Data
2 Ground
3 Clock
4 No Connection
#8 - #15. SAS/SATA Connectors
The SAS/SATA connectors are numbered 0
through 7. Each may be connected to the
system with a SAS or SATA cable.
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