4PortKeyboard/Mouse/Monitor SharingSwitchUSB-PS/2 User's Manual SV431H
Table of Contents Introduction Overview Features 1 1 Installation PC BIOS Notice Adhesive Rubber Feet Console Connection Computer Connection 2 3 3 4 Operation Front Panel Push Buttons Hot Key Commands 5 6 Cascade Configuration Connection Change Selection 7 7 Appendices Specifications 8 Troubleshooting 9
1 Introduction Overview The StarTech.com SV431H, fully compatible with USB specification, is a hybrid USB and PS/1 keyboard/mouse/monitor sharing switch. The SV431H USB switch lets a user manage four computers by USB or PS/2 interface or a combination of both, from 1 monitor, PS/2 keyboard and mouse saving you space, time, equipment and money. Installation is as easy as connecting USB A-B cables or PS/2 cables in between computers and the SV431H switch.
2 Installation PC BIOS Notice The following BIOS setup changes are necessary for PC users using USB and not necessary for Mac users: 1. 2. 3. In STANDARD CMOS, set HALT ON ERROR to ALL BUT KEYBOARD. In PNP AN PCI SETUP, set PNP OS INSTALLED to YES and set USB IRQ to ENABLE. For newer computers: in INTEGRATED PERIPHERALS, set USB CONTROLLER and KEYBOARD SUPPORT to ENABLE. Also make sure that USB is properly selected in Device Manager under Control Panel, as shown below.
3 Adhesive Rubber Feet For desktop operation, you may stick the four round rubber feet (supplied with the unit) to the bottom of the StarView. Do not use the rubber feet with the rack mount option. Console Connection Before installation make sure all devices and computers to be connected to the SV431H have been turned off. Plug you monitor to the console’s VGA port; connect the PS/2 mouse and keyboard to the condole port marked with a mouse and a keyboard as shown in figure below.
4 • For PS/2 computers: Connect a “PS/2 Y-adapter”, which comes with the unit, to the SV431H PS/2, then use two mini-DIN6 male-tomale cables for keyboard and mouse, see figure below. There are two mini-DIN6 female connectors on the “PS/2 Y-adapter” marked as keyboard and mouse. Be sure not to swap the connections.
5 • For notebook computers: In most cases, all you need is one PS/2 male-to-male cable connected between the SV431H and your Notebook; the Y-adapter is not necessary. However, some Notebook computers do not follow industry-standard, please check your Notebook user’s manual for details. You can now turn on all devices and computers. Note: Do use both PS/2 and USB of a PC port on the SV431H at the same time. Only the USB port will effective if this occures.
6 Note: Computers using a USB keyboard and mouse are not immediately operable when selected during during Auto Scan. Wait for about three seconds after switching to a USB computer, then use the keyboard and mouse. Hot Key Commands Hot Key commands are short keyboard sequences used to select a computer, to activate computer scan, etc. The SV431H interprets keyboard strokes for Hot Keys all the time. A Hot Key sequence starts with 2 left keystrokes followed by 1 or 2 more key strokes.
7 • To adjust the Scan Rate which sets the duration before switching to the next computer in Auto Scan: Left Ctrl + Left Ctrl + F3 The SV431H sends one to four beeps indicating scan intervals of 3, 8, 15 and 30 seconds respectively. • To adjust keyboard typematic rate (characters/sec), this setting over-rides that of the BIOS and any operating system: Left Ctrl + Left Ctrl + F4 The Sv431H generates 1 to 4 beeps corresponding to 10, 15, 20 and 30 characters/sec respectively.
8 Appendices Specifications Specification No. of computers supported Front panel push button Hot plug-and-play Automatic scan interval Cable Length (Max) Computer Online LED Computer Selected LED VGA Computer peripheral connector monitor Console peripheral connector monitor Weight (g) (oz.) H x W x D (mm) (in.
9 Troubleshooting Ensure that all cables are well seated. Label the cable for each computer to avoid confusion when connected to the SV431H. Key Possible causes Solutions Keyboard or mouse does not work • Press any front button to select a computer, then use the keyboard and mouse. • Remove all unnecessary keyboard and mouse drivers. Keyboard or mouse does not work after switching to a different USB computer. • In Auto Scan, computers using USB keyboard and mouse are not operable.
10 Limited Warranty IN NO EVENT SHALL THE DIRECT VENDOR’S LIABILTY FOR DIRECT OR INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES, LOSS OF PROFIT, LOSS OF BUSINESS, OR FINANCIAL LOSS WHICH MAY BE CAUSED BY THE USE OF THE PRODUCT EXCEEDS THE PRICES PAID FOR THE PRODUCT.
