C-5
Appendix C SAS-842TQ Backplane Specifications
#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
definitions.
I
2
C Connector
Pin Definitions
Pin# Definition
1
Data
2
Ground
3
Clock
4
No Connection
#8 - #12. SAS/SATA Connectors
The SAS/SATA connectors are numbered 0
through 4. Each may be connected to the
system with a SAS or SATA cable.