Glossary and Abbreviations
switchhook
The buttons located under the receiver on a voice terminal.
switch-node (SN) carrier
A carrier containing a single switch node, power units, and, optionally, one or two DS1 converter circuit packs. An SN carrier is located in a
switch-node (SN) clock
The circuit pack in an SN carrier that provides clock and maintenance alarm functions and environmental monitors.
switch-node interface (SNI)
The basic building block of a switch node. An SNI circuit pack controls the routing of circuit, packet, and control messages.
switch-node link (SNL)
The hardware that provides a bridge between two or more switch nodes. The SNL consists of the two SNI circuit packs residing on the switch nodes and the hardware connecting the SNIs. This hardware can include lightwave transceivers that convert the SNI’s electrical signals to light signals, the copper wire that connects the SNIs to the lightwave transceivers, a
switch-processing element (SPE)
A complex of circuit packs (processor, memory, disk controller, and
SXS
synchronous data transmission
A method of sending data in which discrete signal elements are sent at a fixed and continuous rate and specified times. See also association.
SYSAM
System Access and Administration
system administrator
The person who maintains overall customer responsibility for system administration. Generally, all administration functions are performed from the Management Terminal. The switch requires a special login, referred to as the system administrator login, to gain access to
system printer
An optional printer that may be used to print scheduled reports via the report scheduler.
system report
A report that provides historical traffic information for internally measured splits.
A report that provides
system manager
A person responsible for specifying and administering features and services for a system.
system reload
A process that allows stored data to be written from a tape into the system memory (normally after a power outage).
