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Products & services > Product catalogue > Glossary

Glossary

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RAM (Random Access
Memory)
Read/write memory of a computer. Usually a memory chip that can be written to, read from and erased from.
Relay A magnetically operated mechanical switch.
Remote Access The ability of a computer in one location to connect to a device at another location or site.
Remote Access Server A computer or self-contained unit that provides remote dialup access to a LAN through modems and/or ISDN adaptors.
Remote Set-up
(Protos3 Cameras)
The ability to set-up the cameras operational features, with the ease of OSD, from a Baxall compatible via co-axial telemetry transmitters, without the need for telemetry receiver. No extra cabling is required.
Router A system that stores and forwards data packets- by way of network addresses- from one LAN to WAN to another.
RS-422 EIA interface standard that generally operates in conjunction with RS-449 and specifies electrical characteristics for balanced circuits and extends transmission speeds and distances beyond RS-232/V.24. RS-422 is a balanced voltage system with a high level of noise immunity.
RS-485 Balanced interface similar to RS-422/V.11 but using tri-state drivers for multidrop applications.
RS232 A commonly used computer serial interface.
RS232 A data communication industry standard for the serial transmission of information. Distance without modems is limited.
RS485 A data communication industry standard for transmission of information.
Rugby Clock Radio signal to synchronize equipment clocks accurately and that automatically adjusts the BST setting.



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4T2Copyright © 2012 Norbain SD Ltd: updated on Feb 7 2012