E-9
Appendix E: SAS-826EL Backplane Specifications
2
1
1
2
+
+
+
+
3
1
1
3
+
+
+
+
+
+
+
+
+
A
C
A
C
A
C
1
GND
GND
+12V
+5V
GND
GND
+12V
+5V
GND
GND
+12V
+5V
BAR CODE
WWN
SAS826EL
REV 1.02
DESIGNED IN USA
WWN
J0
J1
2
1
1
2
+
+
+
+
3
1
1
3
+
+
+
+
+
+
+
+
+
A
C
A
C
A
C
1
GND
GND
+12V
+5V
GND
GND
+12V
+5V
GND
GND
+12V
+5V
BAR CODE
WWN
SAS826EL
REV 1.02
DESIGNED IN USA
WWN
OVERHEA
TF
AIL1
A
C
BUZZER_ENB1
PRI_MODE4
SEC_MODE4
FANFAIL1
12V_LED 5V_LED
REMOTE_FAN_FAIL_SCOKET
J0
From HBA or higher
backplane
To lower backplane in
cascaded system
SAS-826EL1 Single-Port Backplane
E-9 Single and Dual Port Expanders
Single Ports
SAS-826EL1 backplanes have a single-port expander that access all twelve
drives and supports cascading.
Dual Ports
SAS-826EL2 backplanes have dual-port expanders that access all twelve
drives. These dual-port expanders support cascading, failover, and recovery.
Warning: The SAS 826EL2 backplane's J0 and J1 SAS ports are reversed in
the Secondary Expander Port B with J0 on top and J1 on the bottom.
SAS-826EL2 Dual-Port Backplane
J1
J1
J0
From HBA or higher
backplane
To lower backplane in
cascaded system
From HBA or higher
backplane
To lower backplane in
cascaded system
Port B
Secondary Ports
Expander 2
Port A
Primary Ports
Expander 1
Figure E-6: Single and Dual Port Expanders
Summary of Contents for SC847A-R1400LPB
Page 8: ...SC847 Chassis Manual viii Notes...
Page 34: ...SC847 Chassis Manual 4 14 Figure 4 15 Placing the System Fan...
Page 36: ...SC847 Chassis Manual 4 16 Notes...
Page 52: ...SC847 Chassis Manual B 2 Notes...
Page 62: ...C 10 SC847 Chassis Manual Notes...
Page 72: ...D 10 SC847 Chassis Manual Notes...
Page 94: ...E 22 SC847 Chassis Manual Notes...
Page 119: ...F 25 Appendix F SAS 846EL Backplane Specifieations Notes...
