IBM N3400 Installation And Setup Instructions page 22

0a 0b
N3400
PSU
0a 0b
3. Daisy-chain the SAS storage expansion units. Always connect like I/O modules from circle port to
square port.
0a 0b
N3400
PSU
0a 0b
4. If desired, cable an Alternate Control Path (ACP). ACP is the optional storage management capability
that requires using CAT-6 Ethernet cables and a designated Ethernet port for each controller.
For more details about ACP, see the IBM System Storage N series Universal SAS and ACP Cabling Guide.
16
IOM A
SAS SAS
ACP ACP
IOM B
SAS SAS
ACP ACP
IOM A
SAS SAS
ACP ACP
IOM B
SAS SAS
ACP ACP
SAS 10101
e0P e0a e0b e0c e0d
Controller Module B
SAS 10101
e0P e0a e0b e0c e0d
IOM A
SAS SAS
ACP ACP
IOM B
SAS SAS
ACP ACP
IOM A
SAS SAS
ACP ACP
IOM B
SAS SAS
ACP ACP
SAS 10101
e0P e0a e0b e0c e0d
Controller Module B
SAS 10101
e0P e0a e0b e0c e0d
PSU
PSU