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C-7

Appendix C: Backplane Specications

I

2

C and SGPIO Modes and Jumper Settings

This backplane can utilize I

2

C or SGPIO. SGPIO is the default mode and can be

used without making changes to your jumpers. The following information details

which jumpers must be congured to use I

2

C mode or restore your backplane to

SGPIO mode.

SGPIO Setting (Default)

Jumper Jumper Setting Note

JP33 1-2 Controller ID #1

JP34 1-2 Backplane ID #1 (use ID #0)

JP36 1-2 Controller ID #2

JP37 1-2 Backplane ID #2 (use ID #0)

JP38 Open I

2

C Reset #2

JP40 Closed SDOUT #1

JP41 Closed SDOUT #2

JP42 1-2 SDIN #1

JP43 1-2 SDIN #2

JP50 Open I

2

C Reset #1

I

2

C Setting

Jumper Jumper Setting Note

JP33 2-3 Controller ID #1

JP34 1-2 Backplane ID #1 (use ID #0)

JP36 2-3 Controller ID #2

JP37 2-3 Backplane ID #2 (use ID #1)

JP38 Closed I

2

C Reset #2

JP40 Open I

2

C Reset #1

JP41 Open I

2

C Reset #2

JP42 2-3 Blackplane ID #1

JP43 2-3 Blackplane ID #2

JP50 Closed I

2

C Reset #1