C-11
Appendix C SAS-933EL Backplane Specifications
SEC_J2
SEC_J1
SEC_J0
PRI_J2
PRI_J1
PRI_J0
BUZZER1
BUZZER_ENB1
PWR0
PWR1
PWR2
PWR3
FAN1
FAN4
FAN3
FAN2
SEC_IPMI
SEC_I2C
PRI_I2C
PRI_IPMI
FANFAIL1
OVERHEATFAIL1
12V_LED
5V_LED
FAN_ALERT_EN1
REMOTE_FAN_FAIL_SCOKET
PRI_BLINK
SEC_BLINK
R658
R659
R1
R2
PRI_MODE4
PRI_MODE5
SEC_MODE4
SEC_MODE5
SEC_EEPROM
PRI_EEPROM
SEC_FLASH
PRI_FLASH
PRI_EXP
WWN
WWN
BAR CODE
+
+5V
+12V
GND
GND
+5V
+12V
GND
GND
+5V
+12V
GND
GND
+5V
+12V
GND
GND
A
C
A
C
A
C
A
C
1
1
1
SAS933EL
REV 1.12
B3
B2
B1
A3
A2
A1
PRI_J2
PRI_J1
PRI_J0
BUZZER1
BUZZER_ENB1
PWR0
PWR1
PWR2
PWR3
FAN1
FAN4
FAN3
FAN2
PRI_I2C
PRI_IPMI
FANFAIL1
OVERHEATFAIL1
12V_LED
5V_LED
C516
C518
C520
FAN_ALERT_EN1
REMOTE_FAN_FAIL_SOCKET
PRI_BLINK
SEC_BLINK
R658
R659
R578
R1
R2
PRI_MODE4
SEC_MODE4
SEC_MODE5
SEC_UART
PRI_UART
PRI_SEP
SEC_SEP
PRI_EEPROM
PRI_ICE
PRI_FLASH
PRI_EXP
WWN
WWN
BAR CODE
+
+5V
+12V
GND
GND
+5V
+12V
GND
GND
+5V
+12V
GND
GND
+5V
+12V
GND
GND
A
C
A
C
A
C
A
C
1
1
1
1
1
1
1
2
19
20
SAS933EL
REV 1.12
A3
A2
A1
B2
From HBA or
Higher Backplane
To Lower Backplane in cascaded system
From HBA or
Higher Backplane
B1
B3
C-9
Single and Dual Port Expanders
Single Ports
SAS-933EL1 backplanes have a single port expander that access all fifteen drives
and supports cascading.
Dual Ports
SAS-933EL2 backplanes have dual port expanders that access all fifteen drives.
These dual port expanders support cascading, failover, and recovery.
SAS-933EL1 Single Port
SAS-933EL2 Dual Port Backplane
SEC_J2
SEC_J1
SEC_J0
PRI_J2
PRI_J1
PRI_J0
BUZZER1
BUZZER_ENB1
PWR0
PWR1
PWR2
PWR3
FAN1
FAN4
FAN3
FAN2
SEC_IPMI
SEC_I2C
PRI_I2C
PRI_IPMI
FANFAIL1
OVERHEATFAIL1
12V_LED
5V_LED
FAN_ALERT_EN1
REMOTE_FAN_FAIL_SCOKET
PRI_BLINK
SEC_BLINK
R658
R659
R1
R2
PRI_MODE4
PRI_MODE5
SEC_MODE4
SEC_MODE5
SEC_EEPROM
PRI_EEPROM
SEC_FLASH
PRI_FLASH
PRI_EXP
WWN
WWN
BAR CODE
+
+5V
+12V
GND
GND
+5V
+12V
GND
GND
+5V
+12V
GND
GND
+5V
+12V
GND
GND
A
C
A
C
A
C
A
C
1
1
1
SAS933EL
REV 1.12
B3
B2
B1
A3
A2
A1
PRI_J2
PRI_J1
PRI_J0
BUZZER1
BUZZER_ENB1
PWR0
PWR1
PWR2
PWR3
FAN1
FAN4
FAN3
FAN2
PRI_I2C
PRI_IPMI
FANFAIL1
OVERHEATFAIL1
12V_LED
5V_LED
C516
C518
C520
FAN_ALERT_EN1
REMOTE_FAN_FAIL_SOCKET
PRI_BLINK
SEC_BLINK
R658
R659
R578
R1
R2
PRI_MODE4
SEC_MODE4
SEC_MODE5
SEC_UART
PRI_UART
PRI_SEP
SEC_SEP
PRI_EEPROM
PRI_ICE
PRI_FLASH
PRI_EXP
WWN
WWN
BAR CODE
+
+5V
+12V
GND
GND
+5V
+12V
GND
GND
+5V
+12V
GND
GND
+5V
+12V
GND
GND
A
C
A
C
A
C
A
C
1
1
1
1
1
1
1
2
19
20
SAS933EL
REV 1.12
A3
A2
A1
A1
A1
A2
A2
To Lower Backplane in Cascaded System
From HBA or
higher backplane
A3
A3
Figure C-6: Single and Dual Port Backplanes