P–Q
- packet
-
A generic term used for a Layer 2 frame or a Layer 3 protocol data unit.
- page
-
A 16-bit message used for Auto-Negotiation.
- PAM5x5
-
A coding technique that represents 4 bits as a pair of symbols selected from five signal levels. The levels are represented as (-2, -1, 0, +1, +2).
- parallel detection
-
In Auto-Negotiation, the capability to detect whether a non-negotiating partner has a 10BASE-T, 100BASE-T4, or 100BASE-TX interface by examining the signals arriving from the partner.
- passive concentrator
-
A type of Token Ring concentrator that contains no active elements in the signal path of any lobe port—that is, it does not repeat the signals.
- patch cord
-
A short, flexible cable terminated with connectors. ...
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