The Cable Center

This glossary of cable and telecommunications terms is intended to enhance your understanding of this dynamic industry. We are able to present this information with the generous help of CableLabs - consult their website for the most up-to-date information about cable technology.

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Java API
The Java API is a standard interface for use by platform-independent application software. It is expressed in the Java language.

Java Development Kit (JDK)
A set of resources, including software and documents, provided by Sun Microsystems to enable developers to program in the Java language.

Java Media Framework (JMF)
A Java package providing functionality primarily for data streaming.

Java Secure Socket Extension (JSSE)
A Java package providing functionality for secure network communications.

Jitter
The variance in latency. Or variability in the delay of a stream of incoming packets making up a flow such as a voice communication.

JPEG File Interchange Format (JFIF)
A platform-agnostic JPEG file format.

Jumper Cable
Short length of flexible coaxial cable used in older cable television systems to connect system coaxial cable to amplifiers or other cable television components.