Comtech EF Data VMS v3.12.x Vipersat - Manual (Page 542)

MN/22156, rev 12
H-10 VMS User Guide
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 – A satellite mobility controller that is a key
component in the CEFD SOTM technology solution for marine vessels.
Provides for transition of link communications between roaming remote termi-
nal and satellite or Hub with minimal service interruption.
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.
SLM Satellite Link Modem (CEFD model designator; e.g., SLM-5650A)
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 connect
from one satellite and/or hub to another in a global network.