Comtech EF Data Vipersat Circuit Scheduler v3.7.x ArrangeLink - Manual (Page 84)

A-8 ArrangeLink User Guide
R
Remote Satellite earth site that links to a central network site (Hub).
Return Path Transmission path from a Remote site to the Hub site.
RF Radio Frequency – A generic term for signals at frequencies above those used
for baseband or IF.
RFC Request For Comment – The official publication channel for Internet standards
(such as communication protocols) issued by the Internet Engineering Task
Force (IETF).
RIP Routing Information Protocol
ROSS Roaming Oceanic Satellite Server
RS-232 A common electrical/physical standard issued by the IEEE used for point to
point serial communications up to approximately 115 kb/s.
RTP Real-time Transport Protocol – A standardized packet format for delivering
real-time applications such as audio and video over the Internet. Frequently
used in streaming media systems, videoconferencing, and VoIP.
Rx Receive
S
SCPC Single Channel Per Carrier – A satellite communications technique where an
individual channel is transmitted to the designated carrier frequency. Some
applications use SCPC instead of burst transmissions because they require guar-
anteed, unrestricted bandwidth.
SIP Session Initiation Protocol – A general purpose protocol for multimedia
communications, commonly used for voice over IP (VoIP) signaling. An alter-
native to the H.323 protocol.
SNG Satellite News Gathering – A satellite uplink van/truck with television crew on
location conducting a live report for a newscast.
SNMP Simple Network Management Protocol – A protocol defining how devices from
different vendors may be managed using a common network management
system.
SOTM Satcom On-The-Move – The ability of a mobile remote terminal to roam across
satellite beams to preserve link integrity and to automatically transition from
one satellite and/or hub to another in a global network.