In Broadcast - February 2013 - 64


I N T E R N A T I O N A L

WWW.INBROADCAST.COM | ISSUE 16 - FEBRUARY 2013

N E W S

InGEAR

KVM Matrix Switches – Ten Key Points
There are many aspects to consider before installing a KVM (Keyboard Video Monitor) matrix switch as
Guntermann & Drunck (G&D) knows after almost 30 years in the market…

By Annette Haebel
Guntermann & Drunck

1. What Are KVM Matrix
Switches?

64

KVM matrix switches are systems
that simultaneously extend (KVM
extender) and switch (KVM switch)
computer signals. They are often
employed in heterogeneous
or highly populated computer
environments that are accessed
by users from different sites.
With KVM matrix switches,
each user can access any of the
connected computers, use its
programmes and data, analyse
error messages or fix errors
without being in close proximity
to the computer. Computers are
accessed independently of the
network and without having to
install any additional software.
Removing computers from working
environments does not only benefit
the staff’s health but also increases
their productivity.
KVM matrix switches operate as
follows: A connection module uses
the standard interfaces to connect
each computer to the matrix.
Monitors, keyboard and mouse
are placed at the operator station
whereas a user module connects the
peripherals to the matrix. Existing
cables (copper or fibre optics)
establish a physical connection
between the three components
(computer module, matrix switch,
user module). The ControlCenterDigital from G&D is an example for
a KVM matrix.

should be replaceable.
When it comes to components,
it’s important to be able to choose
between different computer and user
modules. In addition to classical
KVM signals, the modules should
extend and switch high-speed
USB 2.0, RS232 and bidirectional
digital audio. For USB, it’s important
to ensure “USB pinning” – when
switching between computers that
USB data transmissions remain
active at the computer.
When working on different
computers, you need to be able
to include different video sources
(VGA, DVI single-link and dual-link,
DisplayPort as well as multi-video
applications) and at least one full
HD resolution.
It’s also important that different
types of cables can be used together.
Within an office building you
can use CAT cables to transmit
distances up to 300 metres between
computers and users. Bridging
distances up to several kilometres
requires fibre optics. Make sure that
the system offers this feature – it is
not supported by all.
The hardware should be available
as rackmount and as desktop
version. You can even purchase
central power supplies allowing you
to provide external power to multiple
devices in the server rack.
Even after you purchase the
matrix, additional functions allow
you to expand its features.

2. The Importance Of
Modularity

3. Configuring KVM
Matrix Switches

Modular devices bring flexibility and
safety. Flexible KVM matrix switches
need to be able to adapt to the
individual requirements of different
surroundings. Numerous variants
like the ones of the ControlCenterDigital of fer comprehensive
solutions with flexibility for everchanging operating conditions –
an individually tailored solution by
purchasing a standard system. The
modularity of a KVM matrix applies
to many aspects such as the design
and components; the media; and
the functions and features.
The features of KVM matrix
switches have to be ready for any
requirements – input and output
cards, switch and controller cards

The ports, whether computer ports
(input) or user ports (output), should
be able to be flexibly assigned
according to your requirements.
To keep configuration as simple
as possible, the system must be
able to detect the port assignment
automatically. It’s best when
different ports can be grouped as
required by your application. The
same applies for displays. This way,
you can easily create multi-monitor
workstations.
The web interface helps you
configure your KVM matrix
switches. For example you can
disable access protection; assign
access rights, users and functions;
name computers; enable channel

The hardware should be available as desktop and rack mount versions

grouping; install multi-monitor
workstations; automatically
recognise and display the system’s
architecture; and use the support of
external directory services.

4. What To Consider
For Video
KVM matrix switches must be
able to display clear, sharp video
images in high resolutions. Full
HD single-link DVI and resolutions
up to 1920 x 1200 @ 60 Hz are a
must have. It’s also important that
moving images are transmitted
without any interruptions. Here,
you should consider the video
bandwidth necessary to display
HD sessions without any latency.
KVM matrix switches should
support comprehensive EDID
communication (Extended Display
Identification Data) between
graphics cards and monitors.

5. Fulfilling User
Demands
In the end it is the users who decide
about success or failure of an IT
innovation. Any solution is judged
on how it facilitates the user’s
requirements. And that’s exactly
where G&D and their intuitive user
interfaces come into play.
G&D matrix switches offer many
ways of switching so users can
choose the one that fits them best.
First, we have the on-screen display.
Since all computers can be named
individually, you can select the
computer you want to switch to
directly from the list of computers
displayed in the on-screen display –

without having to remember cryptic
names. The computer name is
stored in the computer module and
even retains the information if you
move it to another port.
But instead of switching via OSD,
users can also employ external
devices, via common media controls
like Crestron, AMX, VSM or KSC
Commander, to switch between
channels simply by accessing the
switch’s network port. Unique when
used with multiple monitors, G&D’s
CrossDisplay-Switching lets you
switch between channels simply
by moving the mouse!

6. Planning For Tomorrow
When purchasing a matrix switch,
you should consider the size of
your system carefully. Established
manufacturers offer systems in
different variants and sizes.
Scalability is desirable since
there is nothing permanent except
change. Usually the requirements
of a system continue to grow even
after it is installed.
Therefore, all of G&D’s matrix
switches can be cascaded up
to three levels. So if you need to
connect more computers, you can
expand the system with another
matrix switch and use it with
all installed computer and user
modules. When fully cascaded,
the matrix offers over 4,000 ports
to connect computer and user
modules. You will always be able
to meet future demands.

CONTINUED ON PAGE 65


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Table of Contents for the Digital Edition of In Broadcast - February 2013

In Broadcast - February 2013
Contents
InNews: Sony's F65 Shoots First UK 4K Feature
InNews: Channel 5 Russia Modernises with Orad Solutions
InSound:: Cobalt Digital's Loudness Solutions
InView: Agile IP Video Delivery: STB Software Architectur
InView: Boxx TV Squares Up to HD Video
InFocus: Real-Time Motion Graphics Workflows
InFocus: Meduza Set to Ship Titan 3D Camera System
InForm: Sintecmedia Acquires US-Based Storer TV
InPlay: Christie Shows Entero HB Displays Cubes
InTech: The Power Overheard of More Pixels
In Broadcast - February 2013 - Intro
In Broadcast - February 2013 - In Broadcast - February 2013
In Broadcast - February 2013 - Cover2
In Broadcast - February 2013 - Contents
In Broadcast - February 2013 - InNews: Sony's F65 Shoots First UK 4K Feature
In Broadcast - February 2013 - 5
In Broadcast - February 2013 - InNews: Channel 5 Russia Modernises with Orad Solutions
In Broadcast - February 2013 - 7
In Broadcast - February 2013 - 8
In Broadcast - February 2013 - 9
In Broadcast - February 2013 - 10
In Broadcast - February 2013 - 11
In Broadcast - February 2013 - 12
In Broadcast - February 2013 - 13
In Broadcast - February 2013 - 14
In Broadcast - February 2013 - 15
In Broadcast - February 2013 - 16
In Broadcast - February 2013 - 17
In Broadcast - February 2013 - 18
In Broadcast - February 2013 - 19
In Broadcast - February 2013 - 20
In Broadcast - February 2013 - 21
In Broadcast - February 2013 - 22
In Broadcast - February 2013 - 23
In Broadcast - February 2013 - InSound:: Cobalt Digital's Loudness Solutions
In Broadcast - February 2013 - 25
In Broadcast - February 2013 - 26
In Broadcast - February 2013 - 27
In Broadcast - February 2013 - InView: Agile IP Video Delivery: STB Software Architectur
In Broadcast - February 2013 - 29
In Broadcast - February 2013 - 30
In Broadcast - February 2013 - 31
In Broadcast - February 2013 - InView: Boxx TV Squares Up to HD Video
In Broadcast - February 2013 - 33
In Broadcast - February 2013 - 34
In Broadcast - February 2013 - 35
In Broadcast - February 2013 - 36
In Broadcast - February 2013 - 37
In Broadcast - February 2013 - InFocus: Real-Time Motion Graphics Workflows
In Broadcast - February 2013 - 39
In Broadcast - February 2013 - InFocus: Meduza Set to Ship Titan 3D Camera System
In Broadcast - February 2013 - 41
In Broadcast - February 2013 - 42
In Broadcast - February 2013 - 43
In Broadcast - February 2013 - 44
In Broadcast - February 2013 - 45
In Broadcast - February 2013 - 46
In Broadcast - February 2013 - 47
In Broadcast - February 2013 - 48
In Broadcast - February 2013 - 49
In Broadcast - February 2013 - 50
In Broadcast - February 2013 - 51
In Broadcast - February 2013 - 52
In Broadcast - February 2013 - 53
In Broadcast - February 2013 - InForm: Sintecmedia Acquires US-Based Storer TV
In Broadcast - February 2013 - 55
In Broadcast - February 2013 - 56
In Broadcast - February 2013 - 57
In Broadcast - February 2013 - 58
In Broadcast - February 2013 - 59
In Broadcast - February 2013 - 60
In Broadcast - February 2013 - 61
In Broadcast - February 2013 - 62
In Broadcast - February 2013 - 63
In Broadcast - February 2013 - 64
In Broadcast - February 2013 - InPlay: Christie Shows Entero HB Displays Cubes
In Broadcast - February 2013 - 66
In Broadcast - February 2013 - 67
In Broadcast - February 2013 - 68
In Broadcast - February 2013 - 69
In Broadcast - February 2013 - 70
In Broadcast - February 2013 - 71
In Broadcast - February 2013 - 72
In Broadcast - February 2013 - 73
In Broadcast - February 2013 - InTech: The Power Overheard of More Pixels
In Broadcast - February 2013 - 75
In Broadcast - February 2013 - 76
In Broadcast - February 2013 - 77
In Broadcast - February 2013 - S1
In Broadcast - February 2013 - S2
In Broadcast - February 2013 - S3
In Broadcast - February 2013 - S4
In Broadcast - February 2013 - S5
In Broadcast - February 2013 - S6
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