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SC825 Chassis Manual
I
C Settings (Default)
2
Jumper
Jumper Setting
JP33
Pins 2-3
JP34
Pins 1-2
JP36
Pins 2-3
JP37
Pins 2-3
JP38
Closed (Jumper on the pins)
JP40
Open (Jumper off the pins)
JP41
Open (Jumper off the pins)
JP42
Pins 2-3
JP43
Pins 2-3
JP50
Closed (Jumper on the pins)
Notes
Controller ID #1
Backplane ID #1
1-2: ID#0
2-3: ID#1
Controller ID #2
Backplane ID #2
1-2: ID#0
2-3: ID#1
I
C Reset #2
2
I
2
C Reset_SDOUT#1
I
C Reset_SDOUT#2
2
I
C Backplane ID_SDIN#1
2
I
C Backplane ID_SDIN#2
2
I
C Reset #1
2
C-8
Appendix C: BPN-SAS-825TQ Backplane Specifications
SAS Port Connections in I
Use the following chart when connecting this backplane. If the SAS ports are con-
nected out of order, it is not easy to identify drives using the LED function.
SAS Port Connections in I
Port #
I
C
2
# 0 - 3
I
C #1
2
# 4 - 7
I
C #2
2
Front LED Indicators
+12V
+12V
GND
GND
GND
GND
+5V
+5V
+12V
+12V
GND
GND
GND
GND
+5V
+5V
1
1
48
48
1
1
16
16
32
32
JP29:9072 RESET
JP29:9072 RESET
D3
Figure C-4. Front LED
Front Panel LEDs
LED
State
Overheat/drive failure LED indicator.
D3
On
(Red light: Flashing. Buzzer: On, if activated)
C-9
C and SGPIO Settings
2
C and SGPIO Settings
2
SGPIO
Sideband #1
Sideband #2
ACT_IN
ACT_IN
I C
I C
2
2
#2
#2
SIDEBAND #2
SIDEBAND #2
1
1
SAS825TQ
SAS825TQ
REV 2.0
REV 2.0
BAR CODE
BAR CODE
I C
I C
2
2
#1
#1
SIDEBAND #1
SIDEBAND #1
Specification
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