switch control relay
21Frame relay — In the context of computer networking, frame relay consists of an efficient data transmission technique used to send digital information. It is a message forwarding relay race like system in which data packets, called frames, are passed from one… …
22Load control switch — A load control switch is a remotely controlled relay that is placed on home appliances which use a lot of electricity, such as air conditioner units and electric water heaters. A load control switch consist of a communication module and the relay …
23SP-1 switch — SP 1 (Stored Program 1) was the name of a computerized telephone exchange (a so called switching office) manufactured by Northern Electric (later Northern Telecom and now Nortel Networks beginning in 1972) in Canada. It was introduced around 1967 …
24Multiservice Switch — or MSS is originally a Nortel line of routers, historically called Passport, designed for carrier core and edge routing. They run the Passport Carrier Release operating system. The MSS has a significant installed base, with over 40,000 switches… …
25Solid state relay — A solid state relay (SSR) is an electronic switch, which, unlike an electromechanical relay, contains no moving parts. The types of SSR are photo coupled SSR, transformer coupled SSR, and hybrid SSR. A photo coupled SSR is controlled by a low… …
26Edge Label Switch Router — MPLS im TCP/IP Protokollstapel Anwendung HTTP BGP LDP Transport TCP UDP Internet …
27Mercury switch — A Single Pole, Single Throw (SPST) mercury switch on millimetre graph paper …
28Access control — is the ability to permit or deny the use of a particular resource by a particular entity. Access control mechanisms can be used in managing physical resources (such as a movie theater, to which only ticketholders should be admitted), logical… …
29Nonblocking minimal spanning switch — A substitute for a 16x16 crossbar switch made from 12 4x4 crossbar switches. A nonblocking minimal spanning switch is a device that can connect N inputs to N outputs in any combination. The most familiar use of switches of this type is in a… …
30Open mail relay — Mail relay diagram An open mail relay is an SMTP server configured in such a way that it allows anyone on the Internet to send e mail through it, not just mail destined to or originating from known users.[1][2] …
