and limit cable length. If there are any SE devices on the same SCSI
bus, the entire SCSI bus will negotiate 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.
v For a SAS library, connect the drive using a host interface cable to the host
HBA. You can connect to either ports if you have a dual port configuration.
Unused SAS connectors do not need termination.
4. Plug the network ethernet cable (5 in “Connecting the Host Interface Cable”
on page 4-12) into the ethernet port on the back panel of the library. If the
ethernet connection is directly attached to a server or laptop, a crossover
ethernet cable may be required.
Note: It is the customer’s responsibility to supply the crossover ethernet cable
if one is required.
Connecting a Power Cord
Attention: This product can ONLY be used with an approved power cord for
your specific geographic region. Use of an unapproved power cord may result in:
v not meeting individual country specific safety requirements;
v overheating with potential personal injury and/or property damage; and
v a fracture resulting in the internal contacts being exposed, which potentially
could subject the user to a shock hazard.
For
every power supply in the library, complete the following steps.
1. Remove the protective label from the power receptacle on your library.
2. Plug one end of the power cord (
4
in “Connecting the Host Interface Cable”
on page 4-12) into each power supply connector on the back panel of the
library.
3. Plug the other end of each power cord into the nearest properly grounded
power outlet. Use separate power sources for each power supply for redundant
power.
Attention: To disconnect all power from the library, remove the power cord
from each outlet. The power button removes power from portions of the library
and the drives, but the power supplies still have AC power at their inputs.
4. Remove the protective plastic on the exterior surfaces of the library.
a77ug197
Figure 4-17. Removing the protective label from the power receptacle
Chapter 4. Installation and Configuration 4-13
