KRAMER: SIMPLE CREATIVE TECHNOLOGY
Your VP-81K 8x1 UXGA / Audio Switcher
4
3.1 Terminology Used in this User Manual
Table 1 defines some terms that are used in this user manual:
Table 1: Terminology Used in this User Manual
Term
Definition
802.3
The standard specification for ETHERNET that is maintained by the Institute of Electrical and
Electronics Engineers (IEEE).
Dynamic Host Configuration
Protocol (DHCP)
Allows the network administrator to distribute IP addresses from a central point and
automatically send a new IP address when an Ethernet point is plugged into a different
network location
Gateway
A network position serving as an entry to another network. On the Internet, a node or
stopping point can be either a gateway node or a host (end-point) node.
IP Address
A 32-binary digit number that identifies each sender or receiver (within a network via a
particular server or workstation) of data (HTML pages or e-mails) that is sent in packets
across the Internet. Every device connected to an IP network must have a unique IP
address. This address is used to reference the specific unit.
Local Area Network (LAN)
Computers sharing a common communications line or wireless link, which often share a
server within a defined geographic area.
Media Access Control
(MAC) Address
A computer's unique hardware number (or address) in a LAN or other network. On an
Ethernet LAN, the (MAC) address is identical to the Ethernet address.
Transmission Control
Protocol/Internet Protocol
(TCP/IP)
The basic communication language or protocol of the Internet that breaks the message into
appropriately sized packets for the network, and can be used as a communications protocol
in an intranet or an extranet.
3.2 DDC Support
When establishing a VGA connection between a PC or laptop and a display
device, a set of parameters known as EDID is exchanged between them,
which is carried over the DDC channel. In some PC graphic cards and laptops,
this information exchange is essential for proper VGA OUT operation.
3.3 Defining EDID
The Extended Display Identification Data (EDID
1
) is a data-structure,
provided by a display, to describe its capabilities to a graphics card (that is
connected to the display’s source). The EDID enables the PC or laptop to
“know” what kind of monitor is connected to the output. The EDID includes
the manufacturer’s name, the product type, the timing data supported by the
display, the display size, luminance data and (for digital displays only) the
pixel mapping data.
4 Your VP-81K 8x1 UXGA / Audio Switcher
Figure 1 and Table 2 define the
VP-81K
8x1 UXGA / Audio Switcher
:
1 Defined by a standard published by the Video Electronics Standards Association (VESA)
