StarTech.com StarView SV431H User manual

4PortKeyboard/Mouse/Monitor

SharingSwitchUSB-PS/2

User'sManual

SV431H

Table of Contents

Introduction

Overview 1

Features 1

Installation

PC BIOS Notice 2

Adhesive Rubber Feet 3

Console Connection 3

Computer Connection 4

Operation

Front Panel Push Buttons 5

Hot Key Commands 6

Cascade Configuration

Connection 7

Change Selection 7

Appendices

Specifications 8

Troubleshooting 9

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. Selecting a computer

is as easy as front panel push button pressing or by entering hotkey

commands. The SV431H switch provides the easiest way to manage

multiple USB or PS/2 computers with one PS/2 keyboard, mouse and

monitor. No more tangled cables and messy working environments.

Features

• Manage 4 PCs with USB or PS/2 interfaces from one PS/2

keyboard, mouse or monitor.

• Front panel push buttons and hotkey commands for easy computer

selection.

• No drivers needed for keyboard and mouse operation.

• Support keyboard and mouse operation.

• High VGA resolution: 1920 x 1440.

• Buzzer sound for computer switching confirmation.

• Activate Auto Scan by front button pressing.

• Selectable Scan Time interval.

• Support the latest DDC2B VGA monitor.

• Saves time, space, equipment and power.

• No software required.

Installation

PC BIOS Notice

The following BIOS setup changes are necessary for PC users using

USB and not necessary for Mac users:

1. In STANDARD CMOS, set HALT ON ERROR to ALL BUT

KEYBOARD.

2. In PNP AN PCI SETUP, set PNP OS INSTALLED to YES and set

USB IRQ to ENABLE.

3. 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.

Note: The SV431H is applicable for USB keyboard and mouse.

Switching from one computer to the next is equivalent to unplugging

the USB device from one computer and plugging it to another. Some

USB drivers check attached USB peripherals all the time and do not

accept plug-n-play function.

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.

Computer Connection

Use a HDB15 male-to-female cable to connect from your computer’s

VGA port to the SV431H VGA port as shown on the following page.

• For USB computers: Use a USB A-B cable to connect from one of

the SV431H PC ports to the USB port on the corresponding

computer (series A connector), as shown on the following page.

• 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-to-

male 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.

• 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.

Operations

Front Panel

• Online LED & Selected LED

When the LED turns green, the connected computer is powered-on.

When a computer is selected, its corresponding red LED illuminates.

• Pushbuttons

Each computer has a button associated with it on the front panel for

selection.

• K/M Reset

K/M Reset solves most problems developed by keyboard, mouse,

device replacement or change of configuration. Press both of the

front-panel number 1 and 2 push buttons for 2 seconds to

re-configure the whole system without turning either the SV431H or

any computer off.

• Auto Scan

Auto Scan automatically scans through computers one by one in a

fixed intervals. The SV431H provides an easy to use feature to start

Auto Scanning. You can press down both the front-panel number 3

and 4 buttons for 2 seconds to start Auto Scanning.

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 <Ctrl> keystrokes followed by 1 or 2 more key strokes. A

built-in buzzer generates a high-pitch beep for correct hot key

commands; otherwise, one low-pitch beep for an error and the bad

key sequence will not be forwarded to the selected computer.

L-Ctrl: is the <Ctrl> key located at the left side of the keyboard.

1~4: are the numbers ‘1’ ~ ‘4’ at the upper row of the keyboard.

Do not use the keypad at the right of the keyboard.

• To select a computer by hot key command, you must know its port

address, which is determined by the SV431H connection at the back.

Left Ctrl + Left Ctrl + 4

Selects a computer connected to the PC port 4.

• To start Auto Scan, which will automatically scan power-on

computers one by one at a fixed interval:

Left Ctrl + Left Ctrl + F1

When Auto Scan detects any keyboard or mouse activity, it suspends

the scanning until activity stops; it then resumes with the next

computer in sequence. The length of the Auto Scan interval (Scan

Rate) is adjustable. To abort the Auto Scan mode, press the left Ctrl

key twice.

• Manual Scan enables you to manually switch back and forth

between power-on computers.

Left Ctrl + Left Ctrl + F2

Press áor âto select the previous or the next computer in

sequence. Press any other key to abort the Manual Scan.

• 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.

Cascade Configuration

Connection

Before connecting a device (a computer or any other SV431H) to the

master under power, you must turn off the devices. Only the PS/2

ports are operable for cascade operation.

Computer Selection by Hot Key Command

The first digit is the port address of the Master unit (1~4) and the

second digit is the port address of the Slave (1~4). Please note that

only the Master’s PS/2 ports can be connected to a Slave’s Console

port.

Left Ctrl + Left ctrl + 1+3

Selects a computer connected to PS/2 port 3 of a Slave connected to

PS/2 port 1 of the Master.

Appendices

Specifications

Specification SV431H

No. of computers supported 4

Front panel push button 4

Hot plug-and-play Automatic scan interval

Automatic scan interval 3, 8, 15, 30 seconds

Cable Length (Max) 30M (100ft) for VGA

5M (15ft) for USB

30M (90ft) for PS/2

Computer Online LED 4

Computer Selected LED 4

VGA 1920 x 1440, DDC2B

Computer peripheral

connector monitor

USB Type B x 4, PS/2 x 3

HDB-15 male x 4

Console peripheral connector

monitor

PS/2 x 2

HDB-15 female x 1

Weight (g)

(oz.)

31.74

H x W x D (mm)

(in.)

Size

44 x 220 x 130

1.7 x 8.7 x 5.1

Compact

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