O'Reilly logo

Local Area High Speed Networks by Dr. Sidnie Feit

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

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. ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required