Java® Archive. JAR is a file format for storing the components required by Java applets or applications in a single compressed file to promote speedy download by Web browsers. The Metasys system uses Java technology for Site Management Portal UI.
File extension of graphics image files created using the Joint Photographic Experts Group standard
Java Network Launching Protocol (JNLP)
A protocol used by a Web server, for example, an ADS/ADX, that triggers a Web browser to launch the Java Web Start software.
Java Web Start
A framework that allows application software for the Java platform to start directly from the Internet using a Web browser Web Start applications do not run inside the browser.
Johnson Controls System Configuration Tool (JCT)
JCT, formerly known as Metasys UI Offline, is a software application that is installed when you install the SCT software. JCT is for validating spaces and equipment, and for creating and editing Metasys UI graphics, and assigning associations to all supported graphics. JCT does not require a Metasys server.
Joint Photographic Experts Group (JPEG)
Group of experts that defines and maintains a standard format for compressing and optimizing digital photographic images.