Samsung SCX-5639FR-XAA - Manual (Page 344)

Glossary
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PPM
Pages Per Minute (PPM) is a method of measurement for
determining how fast a printer works, meaning the number of pages
a printer can produce in one minute.
PRN file
An interface for a device driver, this allows software to interact with
the device driver using standard input/output system calls, which
simplifies many tasks.
Protocol
A convention or standard that controls or enables the connection,
communication, and data transfer between two computing
endpoints.
PS
See PostScript.
PSTN
The Public-Switched Telephone Network (PSTN) is the network of
the world's public circuit-switched telephone networks which, on
industrial premises, is usually routed through the switchboard.
RADIUS
Remote Authentication Dial In User Service (RADIUS) is a protocol for
remote user authentication and accounting. RADIUS enables
centralized management of authentication data such as usernames
and passwords using an AAA (authentication, authorization, and
accounting) concept to manage network access.
Resolution
The sharpness of an image, measured in Dots Per Inch (DPI). The
higher the dpi, the greater the resolution.
SMB
Server Message Block (SMB) is a network protocol mainly applied to
share files, printers, serial ports, and miscellaneous communications
between nodes on a network. It also provides an authenticated Inter-
process communication mechanism.