Alphatech IP-VarioBell IPVB-00, Installation And Operating Instructions Manual

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IP VarioBell
- installation and operating instructions 8
1.2 Used terminology
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Incoming call - Connection between the doorphone and a phone made by
selecting an option on the phone. The doorphone connects the call after set
number of rings. The doorphone can be programmed from the phone following
a connection by inputting a password.
•
Outgoing call - Connection between the doorphone and a phone made by
choosing an option on the doorphone (i.e. Pressing a button).
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External code - Combination of 10 buttons or keyboard keys (after pressing
the key symbol) for a relay activation. [External = enter code outside the
building]
•
Internal code - Combination of 10 buttons on phone for a relay activation (by
DTMF). [Internal = enter code inside the building].
•
Code lock - Function for relay connections by inputting a combination of up to
10 buttons or keyboard keys (after pressing the key symbol)
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Ethernet is technology which is used to build up local networks (LAN)
•
LAN - Local Area Network (local network) mark PC network which cover small
geographical area (for example homes, office, etc…).
•
10Base-T As transmission medium use twisted twoline cable with rate
10 Mbit/s. It used 2pairs of structured cabling from four.
•
100Base-TX Version with transmission rate 100 Mbit/s, which is named Fast
Ethernet . It used 2 pairs UTP or STP cable category 5.
•
Twisted 2line or also twisted pair is cable type which is used in PC networks.
Twisted 2line is created by cables pair which are regularly twisted in the length
and after pairs are twisted together.
•
UTP , Unshielded Twisted Pair
•
STP , Shielded Twisted Pair
•
WEB - World Wide Web (WWW, shortly web ), is mark for application of http
internet protocol
•
HTTP (Hypertext Transfer Protocol) is internet protocol design for exchange of
hypertex documents in format HTML
•
USB (Universal Serial Bus) . Modern way of accessories connection to PC
•
Video codec (compound of word begins
„
co der and dec ode
r“) . Compression
H.263 is derived from MPEG-4, H.264 is coder for format MPEG-4 AVC.
MPEG-4 is kind of video compression
– decreasement of pictures sequence
data flow
•
JPEG is standard method of loss making compression used for savings PC
pictures
•
Voice over Internet Protocol (shortly VoIP ) is technology allows transmission
of digitized voice in body of family protocols UDP/TCP/IP pockets via PC
network . It is used for calling via internet, intranet or any other data
connection.
•
TCP/IP contents set of protocols for communication in PC network and it is
main protocol of worldwide network Internet.
•
IP address is number which definitely identify network interface in PC network
which used IP protocol.