Supero SC847 Series, User Manual

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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