106
en | Glossary
FlexiDome
DN
IP
V 1.0 | 2006.12
Operating Instructions
Bosch Security Systems
13
Glossary
Brief explanations of some of the terms and abbreviations
found in this user guide are given below.
10/100 Base-T
IEEE 802.3 specification for 10 or 100 MBit/s Ethernet
802.1x
The IEEE standard, 802.1x, provides a general method of
access control and authorization for IEEE 802-based net-
works. An authenticator provides authentication by access-
ing an authentication server (see RADIUS server) to check
connection requests, and grants or refuses access to the
available services (LAN, VLAN, WLAN).
ARP
Address Resolution Protocol: a protocol for mapping MAC
and IP addresses
Baud
Unit of measure for the speed of data transmission
Bit/s
Bits per second, the actual data rate
CIF
Common Intermediate Format,
video format with 352 x 288/240 pixels
DNS
Domain Name Service
DHCP
Dynamic Host Configuration Protocol allows a network
device to receive a dynamically allocated IP address and
other network parameters from a server in a network.
FTP
File Transfer Protocol
Full duplex
Simultaneous data transmission in both directions (sending
and receiving)
Gateway
Access point to another LAN (subnet)
GOP
Group of pictures
HTTPS
Hypertext Transfer ProtocoL Secure provides secure trans-
fer of data between web sever and web browser.
HTTP
Hypertext Transfer Protocol
ICMP
Internet Control Message Protocol
ID
Identification: a machine-readable character sequence
IEEE
Institute of Electrical and Electronics Engineers
IGMP
Internet Group Management Protocol
Internet Protocol
The main protocol used on the Internet, normally in con-
junction with the Transfer Control Protocol (TCP):
TCP/IP
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