ABB NETA-21, User Manual

Page: 17 / 196

Introduction to the manual 17
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Abbreviations
Abbreviation Explanation
Distributed Drives Communication System, an optical fiber device access
method for drives and inverters (for example, ACS800 and PVS800)
DDNS Dynamic Domain Name System
DHCP Dynamic Host Configuration Protocol, a protocol for configuring servers in a
network
FTP File Transfer Protocol provides an unsecure way to access files in a network
FTPS File Transfer Protocol Secure provides a secure way to access files in a net-
work
HTTP Hypertext Transfer Protocol is an application protocol used between data cli-
ents and web servers
HTTPS Hypertext Transfer Protocol Secure is a combination of the HTTP and
SSL/TLS protocols. Provides secure communication with web servers.
NBT NS NBT NS is a daemon for the NetBIOS name discovery. Allows finding com-
puters from a local network by using the NetBIOS host name.
NTP Network Time Protocol is a protocol for synchronizing computer clocks over
a network
SD Secure Digital memory card
SDHC Secure Digital High Capacity memory card
SMTP Simple Mail Transfer Protocol is a protocol for sending emails
SSH Secure Shell, a protocol for a secure remote access.
SSL/TLS Transport Layer Security (previously Secure Sockets Layer) protocol is used
to encrypt data between clients and servers
TCP Transmission Control Protocol, used together with Internet Protocol (IP) as
the transport protocol for the Internet
UI User interface
UTC Coordinated Universal Time is the most often used time in the world. Time
zones are presented with positive or negative offsets.