Omni 56K USB Lite
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Glossary
Serial Port
Communication path through which data is transferred bitwise. Only one wire
each is available for transmitted and received data.
Server
A computer, or a software package, that provides a specific kind of service to
client software running on other computers.
Shareware
A distribution method for software. The author lets the user try out the fully
functional software for a certain amount of time at no charge. If the customer
wants to keep and use the product after the period, he must pay the requested
fees. This method depends heavily on the honesty of the user.
Shoulder
Surfing
Looking over someone's shoulder to see the numbers they dial on a phone, or
the information they enter into a computer.
Signal to Noise
Ratio
A measure for the signal quality of a connection.
SILENCE
Status detected in voice mode. If the modem returns a silence message, no
voice energy was detected after a connection was established.
Slave
Any device that is controlled by another device called the master.
SPAM
Unwanted e-mail, usually in the form of advertisements.
Speech
Digitalization
Changing spoken sound into digital data that can be processed and saved by a
computer.
SPID
(Service Profile Identifier): The ISDN switch needs to have a unique
identification number for each ISDN set to which it sends calls and signals.
Spoofing
To forge something, such as an IP address. IP Spoofing is a common way for
hackers to hide their location and identity.
SRAM
Static Random Access Memory. A memory device used to store both program
and data.
S-register
Abbreviation of status-register. The currently used parameters are stored in the
status registers. S-registers are a part of the modem's internal memory.
SREJ
Selective Reject - extension of the V.42 protocol that allows the more efficient
handling of retransmission of erroneous data blocks.
Start Bit
In asynchronous transfers, the start bit introduces a new character.
Stop Bit
In asynchronous transfers, every character is terminated by one or two stop bits
