B-7
Appendix B: BPN-SAS-825TQ Backplane Specifications
SGPIO and I
2
C Modes and Jumper Settings
This backplane can utilize SGPIO or I
2
C, which is the default mode and can be
used without making changes to your jumpers. The following information describes
which jumper must be configured to use SGPIO mode.
SGPIO Settings
Jumper
Jumper Setting
Notes
JP33
Pins 1-2
Controller ID #1
JP34
Pins 1-2
Backplane ID #1
Pins 1-2: ID#0
JP36
Pins 1-2
Controller ID #2
JP37
Pins 1-2
Backplane ID #2
Pins 1-2: ID#0
JP38
Open (Jumper off the pins)
I
2
C Reset #2
JP40
Closed (Jumper on the pins)
I
2
C Reset_SDOUT#1
JP41
Closed (Jumper on the pins)
I
2
C Reset_SDOUT#2
JP42
Pins 1-2
I
2
C Backplane ID_SDIN#1
JP43
Pins 1-2
I
2
C Backplane ID_SDIN#2
JP50
Open (Jumper off the pins)
I
2
C Reset #1