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08.05.05
KVM Switch Terminology
 By Robert Pavlokovic
If you are fairly new to KVM switches or if an additional reference for certain KVM terms is needed, this guide will assist with deciphering KVM lingo.
Category 5
Also commonly referred to as CAT5, this type of cable is used for certain KVM technologies such as CAT5 KVM extension and CAT5 KVM switches. Category 5 cabling in itself consists of four twisted pairs of copper wire terminated by RJ45 connectors.
· The Paragon II CAT5 KVM Switch was a first of its kind to introduce CAT5 cabling with KVM switch technology. CAT5 cabling separates user consoles and target computers away from each other within the Paragon II KVM architecture by using CAT5 cabling.
Computer Interface Module
A must when used with CAT5 KVM switches, this compact device connects to the target host keyboard, mouse and video monitor ports and converts the 3 signals to an RJ-45 or CAT5 connection. A single CAT5 cable carries the 3 computer signals to the KVM switch. A Computer Interface Module will often be referred to as a Dongle or CIM.
· The Minicom Smart CAT5 8- and 16-port KVM switches provides multi-platform support for 4 types of computers. Minicom offers users the choice between, PS2, Sun, USB or serial interface modules.
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Daisy-chain
Daisy-chain describes how 2 KVM switches connect together to gain additional computer ports.
· Commonly used daisy-chain practices direct users to connect the user port of the secondary KVM switch to any of the main tier KVM computer ports.
DB-25
DB-25 is a type of connection used in the KVM industry to combine multiple peripheral cables into one.
· For example, one end of a 3-in-1 KVM cable has 3 feeds - PS2, PS2, and VGA. The opposite end of the cable combines all 3 signals into one DB25 connection. This is done to simplify cable management and to ensure a constant connection to the KVM switch.
Digital Signage
Digital Signage is a product category that combines all video and audio applications into one subject matter. Digital Signage applications enable the delivery of compelling digital content throughout an environment. These dynamic messages can be delivered in a one to many, several to few or a combination of these models.
· The Minicom Audio Visual Display System (AVDS) broadcasts both video and audio
to hundreds of remote signage displays.
Dongle
See Computer Interface Module.
Flash Upgradeable
To update the internal KVM processors with new technology.
· Flash upgrading KVM switches allows the latest and greatest high-tech computers to connect and communicate with the KVM switch.
Emulation
To provide constant connectivity between user console peripherals and the KVM switch. Port emulation ensures that a computer operating system thinks the mouse or keyboard is connected directly to the computer.
· Keyboard and Mouse emulation is a main concern for most users because once emulation is lost, the computer will need to be rebooted in order to gain access to the target host.
Environmental Monitoring
 Remote IP based server room devices monitor and report environmental factors such as temperature, humidity, audio, and video conditions.
· NetBotz environmental monitoring products provide security for mission-critical data center equipment by reporting real-time environmental conditions to a web based application.
HD-15
Used for video applications, the HD15 connector has 15-pins arranged in three rows one on top of the other. HD15 is also known as a standard VGA connection.
Hot Key
Process in which multiple keyboard strokes are used to switch KVM from port to port.
· A hotkey command to activate the OSD for the Minicom Smart CAT5 series commences with a SHIFT + SHIFT keystroke.
Read
the rest of the article.
About the Author:
Robert Pavlokovic is an expert in the KVM and Server Management Industry and is
the technical writer for server and data center management topics. He also has
a strong background in product testing and evaluation. He writes professionally
for 42U (www.42U.com), KVM Switches Online (www.kvm-switches-online.com),
Server Racks Online (www.server-rack-online.com),
DirectNET (www.directnet.us). |
