Battery backup
unit odules
Cooling
ESCON Director
ESCON Host Atta c h
Direct
Matrix
Direct
Matrix
FC Director
FC Host Atta c h
Direct
Matrix
Direct
Matrix
MultiP r otocol C D
Direct
Matrix
Direct
Matrix
MultiP r otocol C D
FICON , GigE , iSCS I
Direct
Matrix
Direct
Matrix
MultiP r otocol C D
FICON , GigE , iSCS I
Direct
Matrix
Direct
Matrix
MultiP r otocol C D
FICON , GigE , iSCS I
Direct
Matrix
Direct
Matrix
FC Director
FC Host Atta c h
Direct
Matrix
Direct
Matrix
ESCON Director
ESCON Host Atta c h
Direct
Matrix
Direct
Matrix
Cntl
FC (Ba c k-End )
Symmetrix
FC disk d e vice s
Direct
Matrix
Direct
Matrix
Cntl
FC (Ba c k-End )
Symmetrix
FC Disk D e vice s
Direct
Matrix
Direct
Matrix
Cntl
FC (BE or FE)
Symmetrix
FC disk devices*
Direct
Matrix
Direct
Matrix
Cntl
FC (BE or FE)
Symmetrix
FC disk devices*
Direct
Matrix
Direct
Matrix
Cntl
FC (BE or FE)
Symmetrix
FC disk d e vices *
Direct
Matrix
Direct
Matrix
Cntl
FC (BE or FE)
Symmetrix
FC disk d e vices *
Direct
Matrix
Direct
Matrix
Cntl
FC (Ba c k-End )
Symmetrix
FC disk d e vice s
Direct
Matrix
Direct
Matrix
Cntl
FC (Ba c k-End )
Symmetrix
FC disk d e vice s
Direct
Matrix
Direct
Matrix
Cntl
Cntl Cntl Cntl Cntl Cntl Cntl Cntl
Cont r ol and comm unications signals
Cont r ol and comm unications signals
32 GB
Global
memor y
32 GB
Global
memor y
32 GB
Global
memor y
32 GB
Global
memor y
32 GB
Global
memor y
32 GB
Global
memor y
32 GB
Global
memor y
32 GB
Global
memor y
E n vironmenta l
control and
status ignals
(XCM)
*Note : The DMX-4 system suppor ts Fibre Channel , FICON , ESCON , and iSCSI connections as well as GigE , Fibre Channel , and ESCON remote connections .
The DMX-4 system midplane has f our slots that suppo r t either f r ont-end c hannel directo r s or ba c k-end disk directo r s .
E n vironmenta l
control and
status signals
(XCM)
FICON , GigE , iSCS I
Power supplies
Service
processor
(KVM & server)
UPS
Modem