Planet GS-5220 Series, User Manual, Page: 563 / 568

User’s Manual of GS-5220 LCD Series
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SSM
SSM In SyncE this is an abbreviation for Synchronization Status Message and is containing a QL
indication.
STP
S panning T ree P rotocol 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
is an acronym for
T
erminal
A
ccess
C
ontroller
A
ccess
C
ontrol
S
ystem
P
lus. 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. 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 T ransmission C ontrol P rotocol. 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