IOGear GCS1722 User manual

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User Manual
VGA KVM Switch, PS2 and USB
GCS1722/GCS1724
PART NO. M1258 / M1259
www.iogear.com

©2013 IOGEAR. All Rights Reserved. PKG-M1258 / M1259
IOGEAR, the IOGEAR logo, are trademarks or registered trademarks of IOGEAR. Microsoft and Windows are registered trademarks of Microsoft Corporation. All other brand and product names are
trademarks or registered trademarks of their respective holders. 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
Features 5
Package Contents 6
System Requirements 6
Overview 7
Hardware Installation 9
Operation 11
Hotkey Operation 13
Port Switching 17
Hotkey Setting Mode (HSM) 21
Keyboard Emulation 22
Mac Keyboard Emulation 23
The Firmware Upgrade Utility 24
Factory Default Hotkeys Settings 25
Specications 29
Troubleshooting 30
Hotkey Default Settings 32
Federal Communication Commission Statement (FCC) Statement 33
CE Statement 33
Limited Warranty 34
Contact 35

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Introduction
IOGEAR’s VGA KVM Switch with Video DynaSync™ technology eliminates boot-up display problems and optimizes
resolution while bringing dual console keyboard and mouse ports. Users can now use any combination of PS/2 or USB
keyboardandmouse.Withnosoftwaretocongure,settingupGCS1722/GCS1724isquickandeasy!Thesetupis
simple; just plug cables into their appropriate ports.
Having a single console manage all of the computers helps to eliminate the expense of purchasing individual console
components for each unit, and saves space and energy those extra components would use. IOGEAR’s VGA KVM Switch
savesuserstimeandmoney!

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•OnePS/2-USBVGAconsolecontrolstwo(GCS1722)orfour(GCS1724)VGAinterfacecomputers.
•DualInterface-supportscomputerswithPS/2orUSBkeyboardsandmice
•Computerselectionviafrontpanelpushbuttons,hotkeys,andmouse
•Multiplatformsupport–Windows,Linux,Mac,andSun*
•Superiorvideoquality–2048x1536;DDC2B
•VideoDynaSync™optimizesdisplayresolutionandeliminatesboot-updisplayproblems
•Supportswidescreenresolutions
•Consolemouseportemulation/bypassfeaturesupportsmostmousedriversandmultifunctionmice
•Completekeyboardemulationforerror-freebooting
•Mac/Sunkeyboardsupportandemulation**
•Multilingualkeyboardmapping–supportsEnglish,Japanese,andFrenchkeyboards
•Gamingkeyboardsupport
•AutoScanModeformonitoringallcomputers
•Firmwareupgradable
•Powersupplynotrequired
Features
*SeeHotkeyDefaultSettings,page32,forfulldetails.
**PCkeyboardcombinationsemulateMac/Sunkeyboards;Mac/Sunkeyboardworkonlywiththeirowncomputers.

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Package Contents
–1 VGA KVM Switch, PS/2 and USB (GCS1722 or GCS1724)
–2 or 4 Custom KVM Cable sets (2 for GCS1722, 4 for GCS1724)
–1 User Manual
–1 Warranty Card
Console
–A VGA compatible monitor capable of the highest possible resolution
–A USB or PS/2 mouse
–A USB or PS/2 keyboard
Computer
The following equipment must be available on each computer:
–A VGA port
–Type A USB ports or 6-pin Mini-DIN PS/2 ports
System Requirements

2-Port VGA KVM Switch
GCS1722
4-Port VGA KVM Switch
GCS1724
K/M RESETAUTO SCAN
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22
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Overview
Front View
1. Port Selection Buttons
• Press and release a switch to bring the KVM focus to
the computer attached to its corresponding port. The
Port LED lights bright orange.
• Press and hold switches 1 & 2 for more than 2
seconds to start Auto Scan Mode, see page 14 for
details.
• Press and release either switch (1 or 2) to stop Auto
Scan Mode. The KVM focus will go to the computer
attached to the corresponding port.
• Press switches 3 and 4 simultaneously for 2 seconds
to perform a keyboard and mouse reset (GCS1724
only).
2. Port LEDs
The Port LEDs are built into the Port Selection Switches.
KVM Status LEDs:
• Lights DIM ORANGE indicates the computer attached
to the corresponding port is up and running (On Line).
• Flashes indicates Firmware Upgrade mode is in effect.
• Changes to BRIGHT ORANGE to indicate that the
computer attached to its corresponding port is the one
that has the KVM focus (Selected).
• Flashes indicates that the computer attached to its
corresponding port is being accessed under Auto Scan
Mode.

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1. Console Keyboard and Mouse Ports
The cables from your USB or PS/2 console keyboard
and USB or PS/2 console mouse plug in here. Each
connector is marked with an appropriate icon to
indicate itself.
2. Power Jack
If you choose to use an external power, the power
adapter cable plugs into this jack. (Power Adapter is
optional and not included).
Note:
1. Use of a power adapter (DC5V) is optional, and requires a separate purchase.
2.TheshapeoftheyellowKVMconnectorshasbeenspecicallymodiedsothatonlycustomKVMcablesdesignedtoworkwiththisswitchcan
plug in. Do NOT attempt to use ordinary 15-pin VGA connector cables to link these ports to the computer.
3. Console Monitor Port
The cable from your VGA console monitor plugs into this
port.
4. KVM Port Section
The custom KVM cable sets that link the GCS1722 /
GCS1724 to your computers plug in here. Each KVM
port section is comprised of a single female SPHD-
18 port, which incorporates the USB, PS/2, and VGA
connection.
Back View

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2
and / or
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Hardware Installation
Before you Begin
Make sure that power to all the devices you will be
connecting have been turned off. You must unplug the
power cords of any computers that have the Keyboard
Power On function. Otherwise, the switch will receive power
from the computer.
To prevent damage to your installation, make sure that all
devices on the installation are properly grounded.
STEP 1
Plug your keyboard and mouse into the USB or PS/2
console ports located on the unit’s rear panel.
STEP 2
Plug your console monitor into the VGA console port
located in the unit’s rear panel and power on the monitor.

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STEP 3
Using the custom KVM cable set (provided with this
package), plug the custom SPHD connector into any
available socket into the KVM port section of the switch.
STEP 4
At the other end of the cable, plug the USB or PS/2
and VGA connectors into their respective ports on the
computer.
Note:Ifyouareusingacomboconsole–forexample,
USBmouseandPS/2keyboard–pluginboththeUSB
and PS/2 connectors.
STEP 5
If you choose to use an external power, plug the power
adapter into an AC power source, then plug power
adaptercableintotheswitch’sPowerJack.
STEP 6
Turn on the power to the computers.