Glossary of terms used on this site
All
| Term | Definition |
|---|---|
| RJ-11 |
commonly mistaken as RJ-14, RJ-11 is a TWO conductor modular jack- this is rarely used anymore |
| RJ-14 |
FOUR conductor modular jack- 6P4C |
| RJ-25 |
SIX conductor modular jack- 6P6C |
| RP |
Remotely Programmable. |
| RQ |
Remotely Queryable. |
| RS-232 |
Communications standards between electronic equipment. Whereas the standard was introduced in 1962, it is still the prefered method of communication for home automation systems, officially called EIA232 |
| SPDT |
Single Pole Double Throw switch- also known as a three way switch where a common terminal is connected to one of two positions |
| SPST |
Single Pole Single Throw switch- also known as a two way switch where two terminals are connected or disconnected from each other |
| Straight Through |
Cable termination where both ends have been terminated in the same sequence |
| Terminal |
A device capable of communicating over a line- terminal emulators are used as a user interface for communication between electronic components |
| Terminator |
Refers to data at the end of a data block to signify the end of a set of variable data- in both RQ and RP it is a semi-colon- ; |
