Category: Letter P
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Guarding the Fortress: Understanding Sensitive Personal Information (SPI)
Dive into the world of Sensitive Personal Information (SPI), unraveling its types and importance. Learn why SPI is the treasured fortress in the digital age that demands steadfast guarding.
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Parity Bit
A parity bit is a simple form of error-detecting code that is added to a block of data for error-detection purposes.
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What is the Payload Type Indicator (PTI) in computer networking?
Payload Type Indicator (PTI) is a field in a data packet that indicates the type of data being transmitted.
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Power Over Ethernet (PoE)
Power over Ethernet (PoE) is an optional standard that provides direct current electrical power over Ethernet twisted-pair cabling. This makes it possible for an Ethernet switch port to provide both Ethernet data and the power needed to operate.
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PoE Vendor Extensions to the Standard
After 802.3at made it possible to provide roughly 30 watts over two pairs of wires, it was a relatively straightforward process to extend the standard to provide power over four pairs simultaneously.
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PoE Port Management
To manage these power loads, vendors of switches typically program the switches to provision power one port at a time, this is PoE Port Management.
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PoE and Cable Pairs
The PoE standard specifies the way that power is injected into the Ethernet cable pairs, and which pairs should be used.
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How Power Over Ethernet works – PoE Operations
Understanding how PoE works. The idle state and three operational states: detection, classification, and operation.
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PoE Device Roles and Type Parameters
For those who want to delve into the details of the Power over Ethernet technology, here we discuss PoE devices roles and type parameters.
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P-Series Protocols
Learn what P-Series Protocols are. A group of protocols that are part of the X.400 messaging standards.
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Personal Digital Assistant (PDA)
A Personal Digital Assistant (PDA) was a handheld computer that was programmed for functions such as keeping track of appointments, sending and receiving e-mail, browsing the Internet, composing memos, performing spreadsheet calculations, managing contacts, banking, and viewing stock quotes.
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Parallel Transmission
Learn what is Parallel Transmission, the difference between serial and parallel transmission, IEEE 1284 standard (SPP, EPP and ECP) and many other questions we may want to know the answers to.