
OPEX®Series
VOPEX-USBV-2/4
USB Keyboard, Video, and Mouse
Splitter/Hub
Installation and Operation Manual
Front and Rear View of VOPEX-USBV-4
MAN034 Rev Date 12/16/2010

TRADEMARK
VOPEX is a registered trademark of Network Technologies Inc in the U.S. and other countries.
COPYRIGHT
Copyright © 2004, 2010 by Network Technologies Inc. All rights reserved. No part of this publication may be reproduced, stored
in a retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise,
without the prior written consent of Network Technologies Inc, 1275 Danner Drive, Aurora, Ohio 44202.
CHANGES
The material in this guide is for information only and is subject to change without notice. Network Technologies Inc reserves the
right to make changes in the product design without reservation and without notification to its users.
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TABLE OF CONTENTS
INTRODUCTION.............................................................................................................................................................1
LIMITATIONS..................................................................................................................................................................1
MATERIALS....................................................................................................................................................................1
FEATURES AND FUNCTIONS.......................................................................................................................................2
INSTALLATION...............................................................................................................................................................3
Monitor Connection......................................................................................................................................................3
Mouse Connection.......................................................................................................................................................3
Keyboard Connection..................................................................................................................................................3
CPU Connection..........................................................................................................................................................4
Hub Ports.....................................................................................................................................................................4
Power-Up.....................................................................................................................................................................4
OPERATION ...................................................................................................................................................................5
Keyboard Command Mode..........................................................................................................................................5
Mice and Trackballs with MACs ..................................................................................................................................6
International SUN Keyboards......................................................................................................................................6
Hub Ports.....................................................................................................................................................................7
AUDIO SUPPORT OPTION............................................................................................................................................7
SPECIFICATIONS ..........................................................................................................................................................7
TROUBLESHOOTING....................................................................................................................................................8
WARRANTY INFORMATION..........................................................................................................................................8
TABLE OF FIGURES
Figure 1- Connect User 1 Keyboard, Mouse, and Monitor .................................................................................................................3
Figure 2- Connect the VOPEX to the CPU ........................................................................................................................................4
Figure 3- Connect other devices to Hub Ports...................................................................................................................................4
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NTI VOPEX-USBV-2 KVM SPLITTER
INTRODUCTION
The VOPEX-USBV-2/4 (VOPEX) is a USB KVM Splitter and 3-Port Hub. It enables the control of one USB enabled CPU through
two (or four) separate USB keyboards, USB mice, and VGA monitors and it enables the connection of 3 addition al USB devices
(other than keyboards or mice). Each user is able to have complete control of a CPU, provided they don't try to access it at the
same time. While the user access is controlled by separate modes of operation, each user monitor will show the same image at
all times. The 3 hub ports (for printer, scanner, camera, etc.) will be connected to the CPU at all times.
OPTION: Audio support to enable each user to connect stereo speakers to receive audio signals from the connected CPU- add
"-A" to the part number (i.e. VOPEX-USBVA-2/4)
Types of User Input Devices Supported:
• USB keyboard with Windows layout
• USB keyboard with SUN layout
• USB keyboard with MAC layout
• USB Mouse - (up to 3 buttons)
• USB IntelliMouse (scroll wheel)
• Mouse-Trak trackball
• Logitech, Kensington and Microsoft Wheelmouse or Trackball on Mac CPUs with spec ial drivers
• Logitech Cordless Elite Duo keyboard and mouse
• Crystal Vision keyboard with touchpad
• Gyration keyboard/mouse
• NTI USB-PS/2 Adapter
• NTI USB-SUN Adapter
Types of Shared Devices Supported:
• USB 2.0 compliant (low/full speed).
• Plug-n-Play specification supported
Types of CPUs Supported:
Any USB CPU supporting USB version 1.0 or above including:
• USB WINxx
• USB MAC
• USB SUN
LIMITATIONS
• The USB ports on the VOPEX are USB 2.0 (low/full speed) compatible. Any USB 2.0 device connected to the VOPEX will be
regulated to USB 2.0 low/full speeds.
MATERIALS
Materials included with this kit:
• VOPEX-USBV-2/4 2/4-Port USB KVM Splitter
• USB-AB-1M-ST 1 Meter Transparent USB A-B Device Cable
• VEXT-3 3 Foot M-F VGA Video Cable
• 120 or 240VAC @ 50 or 60Hz-5VDC/2.0A AC Adapter (2-Port models)
-Or –
120 or 240VAC @ 50 or 60Hz-5VDC/6.0A AC Adapter (4-Port models)
• SA-3-MM 3 Foot M-M 3.5mm Stereo Audio Cable (Models with audio support only)
• This manual
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