IOGear GCS1108 User manual

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8-Port DVI KVMP Switch
with VGA support
User Manual
GCS1108 / GCS1208
PART NO. Q1207-a
www.iogear.com

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©2012 IOGEAR. All Rights Reserved. Part No. M1207-a
IOGEAR, the IOGEAR logo, MiniView®, VSE are trademarks or registered trademarks of IOGEAR. Microsoft and Windows
are registered trademarks of Microsoft Corporation. IBM is a registered trademark of International Business Machines, Inc.
Macintosh, G3/G4 and iMac are registered trademarks of Apple Computer, Inc. IOGEAR makes no warranty of any kind
with regards to the information presented in this document. All information furnished here is for informational purposes only
and is subject to change without notice. IOGEAR. assumes no responsibility for any inaccuracies or errors that may appear
in this document.

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Table of Contents
Introduction 4
Package Contents 5
System Requirements 5
Overview 6
Foot Pad Set Installation 7
Rack Mounting 7
Console Monitor Connection Options 9
Single Level Installation 10
2-Level Installation (Cascading) 12
3-Level Installation (Cascading) 13
Multiview installation 14
Port LED Indication 15
Port Switching 15
Port ID Numbering 15
On-screen Display (OSD) Operation 16
Hotkey Port Control 33
Hotkey Summary Table 38
Mac Keyboard Emulation 39
Sun Keyboard Emulation 39
Factory Default Settings 40
Firmware Upgrade 40
Upgrade Fail 43
Restore Factory Default Settings 44
Federal Communications Commission (FCC) Statement 45
CE Compliance 45
SJ/T 11364-2006 45
Limited Warranty 46
Contact 46

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Introduction
The IOGEAR 8-port USB DVI KVMP Switch is a control unit that allows access and control
of up to 8 computers from a single USB keyboard, USB mouse, and dual-monitor (DVI-I and
VGA) console.
Major features for GCS1108 are:
• One USB console controls eight DVI or VGA computers
• Supports both digital (DVI), analog (DVI) video and analog (VGA)
• Superior video quality: 1920x1200 (Single Link DVI), 2048x1536 (VGA); DDC2
• Supports widescreen resolutions
• Multiplatform support – Windows, Linux, Mac, Sun
• Computer selection via front panel pushbuttons, hotkeys, and on-screen display (OSD)
• Includes two USB 2.0 peripheral sharing ports
• Independent switching of KVM and USB focus
• Two-level (Administrator / User) password authorization for enhanced security protection
• Cascadable to three levels – control up to 512 computers
• IOGEAR's DynaSync* technology reads and remembers the monitor's parameters
(EDID) so there is no delay or change of video resolution when switching between, or
booting computers
• Audio enabled – Full bass response provides a rich experience for 2.1 channel surround
sound systems
• Complete keyboard emulation for error-free booting
• Console mouse port emulation/bypass feature supports most mouse drivers and
multifunction mice
• Mac / Sun keyboard support and emulation**
• Auto Scan Mode for monitoring all computers
• Broadcast mode – allows you to send commands from the console to all computers to
perform operations simultaneously
• Firmware upgradable
• HDCP compatible
• Console audio ports on front panel for easy access
GCS1208 is a step up from GCS1108, with the support for Dual Link DVI solution, it
supports 2560 x 1600 (dual link DVI), 1920 x 1200 (single link DVI), and 2048 x 1536 (VGA).
*IOGEAR’s DynaSync provides the EDID support for Windows 7
**Note: PC keyboard combinations emulate Mac / Sun keyboards; Does not emulate Mac /
Sun keyboard to PC keyboard

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System Requirements
Recommended Console
• Display Option #1 – A display with both DVI and VGA connection*
• Display Option #2 – A DVI-I Display
• Display Option #3 – One each of DVI and VGA displays
• 1 set of USB keyboard and mouse
Computers
• 1 DVI port or 1 VGA port
• 1 USB port
Operating Systems
• Windows XP, Windows Vista (32-bit / 64-bit)
• Windows 7 (32-bit / 64-bit)**
• Mac OS X v10.3.9 or later
• Sun Solaris
• Linux
*IOGEARrecommendsDisplayOption#1forthebestdisplayconguration
**IOGEAR's Display Emulation Technology provides the EDID support for Windows 7
Cable
OnlycustomUSBDVIorVGAKVMcablesets,whicharespecicallydesignedtoworkwith
this switch, may be used to link to the computers. Two cable sets are provided with this
package.
Note: The quality of the display is affected by the quality and length of the cables. If you need
additional cable sets, please contact your dealer to purchase the appropriate ones for your switch.
Package Contents
1 x 8-port USB DVI KVMP Switch
2 x Custom USB DVI-D KVM Cable Sets
1 x Firmware Upgrade Cable
1 x Power Adapter
1 x Foot Pad Set (4 pcs)
1 x User Manual
1 x Rack Mount Kit
1 x Warranty Card
Type Length Part Number
USB DVI-D Single Link
6ft (1.8m) G2L7D02U
10ft (3.0 m) G2L7D03U
16ft (5.0 m) G2L7D05U
USB DVI-I Single Link* 6ft (1.8 m) G2L7D02UI *
10ft (3.0 m) G2L7D03UI
*For cascading setup, IOGEAR recommends to use USB DVI-I Single Link cable
(G2L7D02UI) for GCS1108, and G2L7D02UD for GCS1208.
Tyep Length Part Number
USB DVI-D Dual Link
6ft (1.8m) G2L7D02UD
10ft (3.0 m) G2L7D03UD
16ft (5.0 m) G2L7D05UD
USB VGA Cable 6ft (1.8m) G2L5102U
DVI-A Adapter GDVIMVGAF

8-Port USB DVI KVM Switch
AUTO SCAN K/M RESET
12 3 4 5 6 7 8
6
1
5 4 23
2
1
34
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Overview
Front view
1. Port 1~8 switch Button
2. Power LED
3. Reset Button
4. USB Sharing Port
5. Firmware Upgrade Recovery Switch
Back view
1. Powe Jack
2. CPU 1 - 8 Port
3. Console Port
4. Grounding
5. Firmware upgrade Port

Step 1
Remove the screws from the left and right sides of the switch (2 screws total) near the front
of the switch.
8-Port USB DVI KVM Switch
AUTO SCAN K/M RESET
12345678
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Foot Pad Set Installation
FliptheKVMswitchupsidedown.Peeltheprotectivelmsoffofthefootpads,thenstickthe
pads to the four corners, as shown in the diagram below.
Rack Mounting

8-Port USB DVI KVM Switch
AUTOSCAN K/M RESET
12345678
Step 2
Use the M3 x 8 Phillips hex head screws supplied with the rack mounting kit to screw the
rack mounting brackets into the sides near the front of the unit.
Final Step
Place the KVM switch in the rack. Position it so that the holes in the mounting brackets line
up with the holes in the rack. Secure the mounting brackets to the front of the rack.
8-Port USB DVI KVM Switch
AUTOSCAN K/M RESET
12345678
8

(a) One DVI monitor (DVI-I connector)
One DVI monitor (DVI-I) – plug your DVI
console monitor into the DVI console port
located on the unit’s rear panel;
(b) One DVI monitor (DVI-D + VGA connectors)
One DVI (DVI-D + VGA) monitor – plug your
dual-interface console monitor into both the
DVI and VGA console ports
(c) Two Monitors (1 x DVI-D; 1 x VGA)
Two Monitors (1 x DVI-D; 1 x VGA) – plug
your DVI monitor into the DVI console port,
and plug your VGA monitor into the VGA
console port.
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DVI-I
DVI-D + VGA
DVI-D
VGA
Console Monitor Connection Options

8-Port USB DVI KVM Switch
AUTO SCAN K/M RESET
12 3 4 5 6 7 8
10
1
2
3
Single Level Installation
1. Plug your USB keyboard and USB mouse into the USB console ports located on the
unit’s rear panel.
2. Depending on your console monitor’s interface, connect your monitor using one of the
following methods (see Console Monitor Connection Options, page 9), and power
on:
Note: Both GCS1108 and GCS1208 support DVI, VGA, and dual interface monitors, but
only one video signal (DVI or VGA) can be displayed at a time – the signal will display on
either the DVI monitor or the VGA monitor, depending on the OSD settings.
See Set Computer Viedo Input, page 28 for details about setting the correct video
input and output for your video requirements.
a. One DVI monitor (DVI-I) – plug your DVI console monitor into thhe DVI console
port located on the unit’s rear panel;
b. One DVI (DVI-D + VGA) monitor – plug your dual-interface console monitor into
both the DVI and VGA console ports;
c. Two Monitors (1 x DVI; 1 x VGA) – plug your DVI monitor into the DVI console
port, and plug your VGA monitor into the VGA console port.
3. Plug your main microphone and speakers into the console microphone and speaker jacks
located on the unit’s front panel. The microphone and speakers plugged into this panel
have priority over those in the rear panel.