Julyl 2017 Glossary 261
P
port
A specific communications end point within a host. A port is identified by a port
number. (IBM) (2) In Fibre Channel, an access point in a device where a link attaches.
put
An activity in which a robot places a cartridge into a slot or drive.
power supply
An AC to DC power supply. Mounts into a Power Supply Slot on the rear of a
module (Modules 1-15). Referred to as a "Top Power Supply" or "Bottom Power
Supply" when referring to a power supply installed in a specific module.
Power Supply Filler
A metal frame that slides into a Power Supply Slot when a Power Supply will not be
used in that slot. Mechanically fills the otherwise empty slot. Does not have any
electrical connections.
R
release
A distribution of a new product or new function and fixes for an existing product.
(IBM)
right magazine
A plastic assembly containing 15 Tape Slots that can be inserted into the right side (as
viewed from the front) of Modules 1-15. Right Magazines and Left Magazines are not
interchangeable.
RMAG
See right magazine.
robot
An assembly that incorporates the bulk of Module 1 electronics and the robotic
components. This assembly is a combination of mechanical components, electronics,
and a sheet metal housing. It is located at the top of the Module 1 and incorporates
the arm, Z mechanism, a CPU board, plus the KLC and KLZ cards.
S
SAS
Serial Attached SCSI. A computer bus technology and serial communication protocol
for direct attached storage devices, including disk drives and high-performance tape
drives.
SCSI
Small Computer System Interface. A standard interface and command set for
transferring data between mass storage and other devices. The host computer uses
SCSI commands to operate the device. Depending on the model, physical connection
between the host computer and the tape drive will use a parallel SCSI, SAS, or Fibre
Channel interface.
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