router
A device configured as a router is able to forward PakBus packets from one port to another.
To perform its routing duties, a data logger configured as a router maintains its own list of
neighbors and sends this list to other routers in the PakBus network. It also obtains and
receives neighbor lists from other routers. Routers maintain a routing table, which is a list of
known nodes and routes. A router will only accept and forward packets that are destined for
known devices. Routers pass their lists of known neighbors to other routers to build the
network routing system.
RS-232
Recommended Standard 232. A loose standard defining how two computing devices can
communicate with each other. The implementation of RS-232 in Campbell Scientific data
loggers to computer communications is quite rigid, but transparent to most users. Features
in the data logger that implement RS-232 communications with smart sensors are flexible.
RS-422
Communications protocol similar to RS-485. Most RS-422 sensors will work with RS-485
protocol.
RS-485
Recommended Standard 485. A standard defining how two computing devices can
communicate with each other.
RTDAQ
Real Time Data Acquisition software for high-speed data acquisition applications. RTDAQ
supports a variety of telecommunication options, manual data collection, and extensive data
display. It includes Short Cut for creating data logger programs, as well as full-featured
program editors.
RTU
Remote Telemetry Unit
Appendix C. Glossary285
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