Planet GS-5220 Series User Manual page 563

SSM
SSM In SyncE this is an abbreviation for Synchronization Status Message and is containing a QL
indication.
STP
Spanning Tree Protocol is an OSI layer-2 protocol which ensures a loop free topology for any bridged
LAN. The original STP protocol is now obsolete by RSTP.
SyncE
SyncE Is an abbreviation for Synchronous Ethernet. This functionality is used to make a network 'clock
frequency' synchronized. Not to be confused with real time clock synchronized (IEEE 1588).
T
TACACS+
TACACS+ is an acronym for Terminal Access Controller Access Control System Plus. It is a networking
protocol which provides access control for routers, network access servers and other networked
computing devices via one or more centralized servers. TACACS+ provides separate authentication,
authorization and accounting services.
Tag Priority
Tag Priority is a 3-bit field storing the priority level for the 802.1Q frame.
TCP
TCP is an acronym for Transmission Control Protocol. It is a communications protocol that uses the
Internet Protocol (IP) to exchange the messages between computers.
The TCP protocol guarantees reliable and in-order delivery of data from sender to receiver and
distinguishes data for multiple connections by concurrent applications (for example, Web server
and e-mail server) running on the same host.
The applications on networked hosts can use TCP to create connections to one another. It is
known as a connection-oriented protocol, which means that a connection is established and
maintained until such time as the message or messages to be exchanged by the application
User's Manual of GS-5220 LCD Series
563