solenoid that is excited with a linear current density in its winding of one
abampere per 4π centimeters of axial length.
offline
Pertaining to the operation of a functional unit without the continual
control of a computer. Contrast with online.
online Pertaining to the operation of a functional unit that is under the continual
control of a computer. Contrast with offline.
OPER Operation.
ov Over voltage.
overrun
Loss of data because a receiving device is unable to accept data at the rate
it is transmitted.
overtightening
To tighten too much.
P
parameter
A variable that is given a constant value for a specified application and
that may denote the application.
PF Path Failover.
p bit Parity bit.
PC Parity check.
PCC Power control compartment.
PDF Portable Document Format.
PE Parity error. Product engineer.
pick Pertaining to the library, to remove, by means of a robotic device, a tape
cartridge from a storage slot or drive.
picker A robotic mechanism 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 two SCSI ports.
Portable Document Format (PDF)
A standard specified by Adobe Systems, Incorporated, for the electronic
distribution of documents. PDF files are compact, can be distributed
globally (via e-mail, the Web, intranets, or CD-ROM), and can be viewed
with the Acrobat Reader, which is software from Adobe Systems that can
be downloaded at no cost from the Adobe Systems home page.
PROM
Programmable read only memory.
PS Power supply.
PWR Power.
Glossary H-11
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