
C-5
Chapter 2: Safety Guidelines
SGPIO and I
2
C Modes and Jumper Settings
This backplane can utilize SGPIO or I
2
C. SGPIO is the default mode and can be
used without making changes to your jumpers. The following information describes
which jumper must be congured to use SGPIO mode.
SGPIO Settings (Default)
Jumper Jumper Setting Notes
JP33 2-3 Controller ID #1
JP34 1-2
Backplane ID #1
1-2: ID#0
2-3: ID#1
JP36 2-3 Controller ID #2
JP37 2-3
Backplane ID #2
1-2: ID#0
2-3: ID#1
JP38 Open (Jumper off pins) I
2
C Reset #2
JP40 Open (Jumper off pins) I
2
C Reset_SDOUT#1
JP41 Open (Jumper off pins) I
2
C Reset_SDOUT#2
JP42 2-3 I
2
C Backplane ID_SDIN#1
JP43 2-3 I
2
C Backplane ID_SDIN#2
JP50 Open (Jumper off pins) I
2
C Reset #1
Note: For SGPIO settings to work properly, use different backplane IDs for JP34 and
JP37. When JP34 is set to 1-2 (ID#0), set JP37 to 2-3 (ID#1). Conversely, when
JP34 is set to 2-3 (ID#1) set JP37 to 1-2 (ID#0)
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