Lucent Technologies SLC ConnectReach User & Service Manual page 529

Glossary 363-208-050
RFC — Request for Comment. A documentation mechanism for developing TCP/IP standards,
procedures, and specifications.
RIP — Routing Information Protocol. A protocol defined by RFC 1058 that specifies how routers exchange
routing table information. With RIP, routers periodically exchange entire tables.
Ring — One conductor of a telephone wire pair, designated by R.
Router — Network layer device that uses one or more metrics to determine the optimal path along which
network traffic should be forwarded. Routers forward packets from one network to another based on
network layer information.
S
SAP — Service Advertising Protocol. A protocol used to identify the services and addresses of servers
attached to the network.
Sequence — One or more digits, range of digits, x, or local, defined in the detect-string parameter of the
Dialing table, that matches a given sequence. Example: 51092[3-5] matches 510923, or 510924, or
510925.
SES — Severe Error Seconds. Used in T1 line statistics.
SEFS — Severely Errored Frame Second. Second with Severely Errored Frames (SEFs); an SEF occurs
when 2 or more frame bit errors are detected in a 3ms window of time.
SF — Superframe format. Another name for D4 format. See D4.
Slave — A module that operates at the remote end of the circuit.
Smart-Jack — A RJ48X jack, single-line, 4-wire, T/R, T1/R1, 1.544 Mb/s, eight position. (RJ means a jack
registered with the FCC.)
SMTP — Simple Mail Transfer Protocol. A protocol for sending e-mail messages between servers.
SNMP — Simple Network Management Protocol. SNMP is a network management protocol that allows a
network manager to communicate with devices over an IP network and allows a device to send alarm and
status messages to an SNMP network management system located either on the LAN or on a remote
network.
SNR — Signal-to-Noise Ratio.
SNRHIGH — Signal-to-Noise Ratio/High.
SNRLOW — Signal-to-Noise Ratio/Low.
SONET — Synchronous Optical Network. An ANSI standard for fiber optic transmission; rate varies from
51.8 Mb/s to 2.48 Gb/s.
GL-11
Issue 4 June 2002