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The MPI is based on the standard EIA-485 (formerly RS-485) and works with a speed from 187.5 kBd to 12 MBd. The network MPI must have resistance at the end of the line and it is generally included in the connector and activated by a simple switch.
RS-485, also known as TIA-485(-A) or EIA-485, is a standard, originally introduced in 1983, defining the electrical characteristics of drivers and receivers for use in serial communications systems. Electrical signaling is balanced , and multipoint systems are supported.
MPI – Multi Point Interface; OSGP – The Open Smart Grid Protocol, a widely use protocol for smart grid devices built on ISO/IEC 14908.1; OpenADR – Open Automated Demand Response; protocol to manage electricity consuming/controlling devices; Optomux – Serial (RS-422/485) network protocol originally developed by Opto 22 in 1982.
EIA-170/RS-170 applies only to monochrome (black & white) video. The later color video version is RS-170A which shows color burst and the 4 color field sequence of NTSC. The RS-170A version is only a tentative standard, and was never formally adopted. NAB Engineering Handbook Seventh Edition. [1] EIA-189A Formerly RS-189A.
Common signal levels are RS-232, RS-485, and raw TTL [1] for short debugging links. Early teletypewriters used current loops . It was one of the earliest computer communication devices, used to attach teletypewriters for an operator console .
The Antenna Interface Standards Group (commonly referred to as AISG) is a non-profit international consortium formed by collaboration between communication infrastructure manufacturers and network operators with the purpose of maintaining and developing a standard for digital remote control and monitoring of antenna line devices in the wireless industry. [1]
The EIA/TIA-561 standard defines a pinout using this connector, while the rollover cable (or Yost standard) is commonly used on Unix computers and network devices, such as equipment from Cisco Systems. [7] Pair of female Mini DIN-8 connectors used for RS-422 serial ports on a Macintosh LC computer
Technicians working on a cluster consisting of many computers working together by sending messages over a network Message passing is an inherent element of all computer clusters . All computer clusters, ranging from homemade Beowulfs to some of the fastest supercomputers in the world, rely on message passing to coordinate the activities of the ...