| PVC to Server |
PVC | Polyvinyl Chloride. A material commonly used in the fabrication of cable |
| insulation. This term is used to describe a |
| material. See also Plenum. PVC releases toxic smoke when burned. |
Redundant | Extra or contingent. A redundant system is one that is held in reserve |
| until an occurrence such as a failure of the primary system causes it to be |
| required. |
Relay
Repeater
Ring-In/Ring-Out
An electrical switch which opens and closes in response to the application of voltage or current.
A network device consisting of a receiver and transmitter which is used to regenerate a network signal to increase the distance it may traverse.
Token Ring connections which are made between MAUs utilizing two separate physical cables and incorporating an
RJ45 | A modular connector style used with twisted pair cabling. The RJ45 |
| connector resembles the modern home telephone connector (RJ11). |
RMIM | Repeating Media Interface Module. A term used to indicate a family of |
| Cabletron Systems Ethernet Media Interface Modules (See MIM) which |
| are capable of performing their own repeater functions. |
Router | A router is a device which connects two or more different network |
| segments, but allows information to flow between them when necessary. |
| The router, unlike a bridge, examines the data contained in every packet |
| it receives for more detailed information. Based on this information, the |
| router decides whether to block the packet from the rest of the network or |
| transmit it, and will attempt to send the packet by the most efficient path |
| through the network. |
S Ports | FDDI ports which are used by FDDI stations and end nodes to make |
| single attached connections to FDDI concentrators. |
SDRAM | Shared Dynamic Random Access Memory. |
Segment | A portion of a network which is separated from other networks. A |
| segment may be one portion of a bridged, switched, or routed network. |
| Segments must be capable of operating as their own networks, without |
| requiring the services of other portions of the network. |
Server | A workstation or host device that performs services for other devices |
| (clients) on the network. |
