Synonym hotline.

The testing of selected channels or paths by providing a very brief beacon-like identifying broadcast that may be used by other stations to evaluate connectivity, propagation, and availability, and to identify known working channels for possible later use for communications or calling.
Note 1: Automatic soundings are primarily intended to increase the efficiency of the automatic link establishment (ALE) function,… (Read More →)

1. In data communications, a switching system in which all the operations required to execute the three phases of information-transfer transactions are automatically executed in response to signals from a user end-instrument.
Note: In an automatic switching system, the information-transfer transaction is performed without human intervention, except for initiation of the access phase and the disengagement phase by a user.… (Read More →)

Formerly, the principal long-haul, unsecure voice communications network within the Defense Communications System, now replaced by the Defense Switched Network (DSN).

1. The implementation of processes by automatic means. [JP 1-02]
2. The investigation, design, development, and application of methods of rendering processes automatic, self-moving, or self-controlling.
3. The conversion of a procedure, a process, or equipment to automatic operation. [JP 1-02]

Internet (TCP/IP) terminology for a collection of gateways (routers) that fall under one administrative entity and that cooperate using a common interior gateway protocol (IGP). [Bahorsky]
Note: Routers pertaining to different autonomous systems must agree on a common exterior gateway protocol in order to communicate with each other effectively.

Acronym for Automatic Secure Voice Communications Network.

Acronym for Automatic Voice Network. Superseded byDefense Switched Network.

An offline operation performed by equipment not under control of the processing unit.

Electric power that is provided by an alternate source and that serves as backup for the primary power source at the station main bus or prescribed sub-bus.
Note 1: An offline unit provides electrical isolation between the primary power source and the critical technical load whereas an online unit does not.
Note 2: A Class A power source is a… (Read More →)