device on the SCSI bus. Otherwise, attach one end of a SCSI cable to the remaining port and the
other end to the next device on the SCSI bus. Make sure that the last device on the SCSI bus is
properly terminated.
Note: Only cables and terminators that are specified for Ultra160 or Ultra320 use or labeled as
Multi-Mode are used.
Note: The host bus adapter must be LVD SCSI. A single-ended (SE) SCSI host bus adapter works,
but severely degrades performance, and limit cable length. If there are any SE devices on the same
SCSI bus, the entire SCSI bus negotiates down to SE speed and severely degrade performance.
v For a Fibre Channel library, connect the host interface cable to the host or to a switch. If an
SC-to-LC interposer is required, refer to “Installing a Fibre Channel interposer (feature code 5096).”
v For a SAS library, connect the Host Interface Cable to the host HBA, with a direct SFF-8088
connection, or an interposer as required. Unused SAS connectors do not need termination.
4. Plug the network ethernet cable (▌2▐ in Figure 35 on page 54, ▌5▐ in Figure 36 on page 54, or ▌3▐ in
Figure 37 on page 54) into the ethernet port on the back panel of the library. If the ethernet connection
is directly attached to a server or notebook, a crossover ethernet cable might be required.
Note: It is the customer's responsibility to supply the crossover cable if one is required.
Installing a Fibre Channel interposer (feature code 5096)
About this task
For a list of supported adapters and required interposers, go to the Technical Support section on the web
at http://www.ibm.com/storage/.
To install the interposer, refer to the procedure.
Procedure
1. Connect the host SC fibre cable to the matching side of the interposer.
2. Connect the drive LC fibre side of the interposer to the drive/library.
a67m0276
Host
Fibre
Channel
Network
Library
Fibre
Channel
Drive
Connector
11P1373
Figure 38. Interposer installation
Installation and configuration 55
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