Lucent Technologies PortMaster - Manual (Page 343)

Glossary
Glossary-33
switched virtual circuit
See SVC.
T
T1
Digital WAN carrier facility used to transmit data formatted for digital signal level 1
(DS-1) at 1.544Mbps through the telephone-switching network, using alternate mask
inversion (AMI) or binary 8-zero substitution (B8ZS) coding. Compare E1.
TCP/IP
An open network standard that defines how devices from different manufacturers
communicate with each other over interconnected networks. TCP/IP protocols are the
foundation of the Internet.
Telnet
The Internet standard protocol, described in RFC 854, for remote terminal connection
service.
terminal adapter
A device that provides ISDN compatibility to non-ISDN devices. An asynchronous
terminal adapter turns an asynchronous bit stream into ISDN and is treated by the
PortMaster as if it were a modem. A synchronous terminal adapter takes a synchronous
bit stream and turns it into ISDN, typically supports V.25bis dialing, and connects to a
PortMaster synchronous port. Some terminal adapters can be configured for either
synchronous or asynchronous operation.
terminal emulator
A program that makes a PC screen and keyboard act like the video display terminal of
another computer.
TFTP
Trivial File Transfer Protocol. A simplified version of the File Transfer Protocol (FTP) that
transfers files but does not provide password protection or user directory capability. TFTP
can be used by diskless devices that keep software in ROM and use it to boot themselves.
The PortMaster can be booted from the network by means of Reverse Address Resolution
Protocol (RARP) and TFTP.