Service Manual
JetStor SAS 742F
5
Dual Controller RAID Subsystem
NOTE: Each Power Supply Fan Module has 1 Power Supply and 5
Fans.
For the purpose of hardware monitoring, the RAID
enclosure is logically divided into two enclosures.
The functions of the Expander Modules are as follows:
Module:
Function/Description:
Expander Module 1-1
(for Controller 1)
Monitors Enclosure 1 (Disk slots 1 to
21, Power Supply 01-1, Fans 01-1,
02-1, 03-1, 04-1, and 05-1, and
Turbo Fan 06-1).
Note: “-1” means enclosure 1.
Expander Module 2-1
(for Controller 2)
Same function as Expander 1-1
Expander Module 1-2
(for Controller 1)
Monitors Enclosure 2 (Disk slots 22
to 42, Power Supply 01-2, Fans 01-
2, 02-2, 03-2, 04-2, and 05-2.
Note: “-2” means enclosure 2.
Expander Module 2-2
(for Controller 2)
Same function as Expander 1-2
