Polycom ViewStation SP128 User Manual page 181

DB-25
DVD
Endpoint
Ethernet
Far End
Fast Ethernet
Firewall
fps
FTP
© Polycom, Inc.
The standard 25-pin connector used for
RS-232 serial data communications. In a
DB-25 there are 25 pins, with 13 on the top
row and 12 on the bottom. DB-25 connectors
are available in male and female.
Digital Video Disc.
A terminal, site, gateway, conferencing
system or MCU.
10 Mbps or 100 Mbps LAN technology based
on CSMA/CD. The Ethernet standard is
called 802.3 and was ratified by the IEE.
Ethernet was one of the first LAN
technologies and has been very popular for
workgroups.
The party or parties connected to a call.
100 Mbps LAN technology based on
CSMA/CD used for both high bandwidth
users in workgroups and for backbones.
A network node set up as a boundary to
prevent traffic from one segment to cross
over into another.
Frames per second. A measure of quality of
a video signal. NTSC TV standard in North
America uses 30 fps. European standards
are 25 fps.
File Transfer Protocol. A part of the chief
Internet protocol "stack" or group (TCP/IP)
163
Glossary
ViewStation SP User Guide