IBM TS4300 User Manual page 311

IBM Confidential
P
Parameter
A variable that is given a constant value for a specified application and that might denote the
application.
p bit
Parity bit.
PC
Parity check.
PCC
®
Power control compartment.
PDF
Portable Document Format.
PE
Parity error. Product engineer.
PFS
Perfect forward secrecy.
Pick
Pertaining to the library to remove, by using a robotic device, a tape cartridge from a storage slot or
drive.
Picker
A robotic mechanism that is located inside the library that moves cartridges between the cartridge
storage slots and the drive.
PM
Preventive maintenance.
POR
Power-on reset.
Port
A physical connection for communication between the 3590 and the host processor. The 3590 has 2
SCSI ports.
Portable Document Format (PDF)
A standard that is specified by Adobe Systems, Incorporated, for the electronic distribution of
documents. PDF files are compact, can be distributed globally (by way of email, the web, intranets,
or CD-ROM), and can be viewed with the Acrobat Reader. Acrobat Reader is software from Adobe
Systems that can be downloaded at no cost from the Adobe Systems home page.
Private key
A cryptographic key that is used to decrypt a message.
PROM
Programmable read only memory.
PS
Power supply.
PTF
Program temporary fix. A single bugfix or group of bugfixes that are distributed in a form ready to
install for customers.
PWR
Power.
R
Rack
A unit that houses the components of a storage subsystem, such as the library.
Glossary 279