Technical data

L-8 Glossary 90362-01
SPID S ervice P rofile ID entifier. A SPID number is assigned by your service
provider. SPIDs are used to identify what sort of services and features
the switch provides to the ISDN device. When a new subscriber is
added, the telephone company allocates a SPID just as they allocate a
directory number.
subnet bit mask The subnet bit mask is an extension of the IP address that allows a site
to use a single IP network address for several networks. A bit mask is
used to select bits from an IP address for subnet addressing. See
Appendix C, “IP Addressing” for more information.
sync The NetBlazer’s abbreviation for synchronous.
synchronous Data transmission that includes transmitting timing information with
the data. Characters are synchronized by the transmission of initial
synchronization characters and a common clock signal. No stop or
start bits are used. See also asynchronous.
TA T erminal A dapter for ISDN. Allows terminals without ISDN to operate
on ISDN lines.
TCP/IP T ransmission C ontrol P rotocol / I nternet P rotocol. The communications
protocol used on the Internet. If you are using a direct, SLIP, or PPP
connection to the Internet, you must have TCP/IP on your workstation.
TE T erminal E quipment. TEs are end-user devices such as digital
telephones, ISDN workstations, X.25 data terminal equipment,
and so on.
telnet A program that connects you to a remote computer, with your computer
acting as a dumb terminal. Any commands you type take effect on that
remote computer.
WAN W ide A rea N etwork.
zone An arbitrary subset of the nodes within a network. AppleTalk routers set
up zones.