Datasheet

3-13
Safety Information and Technical Specifications
SEC_J2
SEC_J1
SEC_J0
PRI_J2
PRI_J1
B3
B2
B1
A3
A2
A1
PRI_J2
PRI_J1
PRI_J0
PRI_EEPROM
A3
A2 A1
Cascading allows the system to access data at a faster rate by allowing several
backplanes to share resources to reduce latency time.
The first backplane in a cascaded system requires a motherboard and HBA. Other
servers require a power control card, not a motherboard and HBA. For more infor
-
mation, see the SC933 Chassis Manual.
3-4 Supported Cascading Configurations
Other Considerations:
 Cascading supports up to 122 hard drives
 Use the same cables for all single port configurations
Cable 0167L
(internal cable)
Cable 0166L
(external cable)
Single Port Cable
Assembly
HBA (Host Bus Adapter)
Port B Expander 2
Port A Expander 1
Power Card
Power Card
SEC_J2
SEC_J1
SEC_J0
PRI_J2
PRI_J1
B3
B2
B1
A3
A2
A1
PRI_J2
PRI_J1
PRI_J0
PRI_EEPROM
A3
A2 A1
Port B Expander 2
Port A Expander 1
SEC_J2
SEC_J1
SEC_J0
PRI_J2
PRI_J1
B3
B2
B1
A3
A2
A1
PRI_J2
PRI_J1
PRI_J0
PRI_EEPROM
A3
A2 A1
Port B Expander 2
Port A Expander 1