Black Box KV9804A manual Control by RS-232 serial, Serial port parameter settings

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Chapter 3: Installation

3.4.2 Control by RS-232 serial

Where the external control is via RS-232 signal, ensure that the configuration menu option is set to or to enable RS-232 control.

3.4.2.1 Serial port parameter settings

Ensure that the chosen serial port is configured to the following:

Baud rate:

To match setting of option in the Configuration menu

Data bits:

8

Stop bit:

1

Parity:

None

3.4.2.2 Serial port channel selection codes

 

 

ASCII

 

 

 

 

Character

Hex

Decimal

Channel 1:

‘1’

0x31

49

Channel 2:

‘2’

0x32

50

Channel 3:

‘3’

0x33

51

Channel 4:

‘4’

0x34

52

Note: As each channel is chosen using the above RS-232 commands, the peripherals that will be transferred are determined by the current setting of the switching mode.

3.4.2.3 Control by channel select input lines

Where the external control is via the four channel select input lines of the OPTIONS port (see pin out), ensure that the configura- tion menu option is set to to enable the input lines.

The four input lines are suitable for connection to dry contacts or open collector style outputs. Connecting an input line to GND will cause the Wizard DP USB unit to switch all of its functions to the selected channel:

Channel 1: Channel select input 1 low

Channel 2: Channel select input 2 low

Channel 3: Channel select input 3 low

Channel 4: Channel select input 4 low

If the input line is held low then all other switching requests by other means will be ignored until the line returns to a high (open) state.

If more than one logic input is low (closed) then the lower channel number takes priority.

Note: The input lines have only limited protection against over voltage.

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Contents ServSwitch Wizard DP USB Trademarks Used in this Manual ServSwitch Wizard DP USBFCC and IC RFI Statements ServSwitch Wizard DP USB Table of Contents Additional Items You May Need SpecificationsWhat‘s Included Overview OverviewComputer button Indicators Wizard DP USB featuresRack mount InstallationInstallation Mounting the modules desk or rack User console Connecting peripherals to the user consoleConnections Connecting speakers to the audio socket Computer connections Connecting a computer systemConnecting the power adapter Power connectionConnecting the optional remote control Optional remote control12. Connection layout for synchronized operation Synchronizing multiple unitsOptions port pinout Channel switching by external controlConnecting a computer or device for remote control Control by RS-232 serial Serial port parameter settingsSerial port channel selection codes Control by channel select input linesDisplay will show the pressed letter, e.g Configuration Using the configuration menuConfiguration To set the default switching mode Switching modeOptions port channel control behavior To define the Options port behaviorTo show the current firmware version To set a new passwordTo use the KVM Firmware Uploader utility Performing upgradesItems required to perform an upgrade Configuration Commence the upgrade Issues to consider when performing flash upgradesOperation Selecting a computer To select a computer using the front panelOperation Choosing which computers are accessed when Selecting a computer using hotkeysUsing hot keys + tab What are hotkeys?Additional hotkey press combinations To select a computer using the mouse buttons Selecting a computer using the mouse buttonsTo cancel the password Locking access to the computersIf you forget the password To lock the unitAutoscanning To select an autoscan modeTo stop autoscanning To select an autoscan periodTo start autoscanning Serial remote control and flash upgrade cable 10p10c Serial remote control and flash upgrade cable 8p8cCable pin-outs Multi-head synchronization cable 8p8cAppendices Safety InformationServSwitch Wizard DP USB About Black Box Black Box Tech Support FREE! Live /7

ServSwitch Wizard DP USB, KV9804A specifications

The Black Box KV9804A, known as the ServSwitch Wizard DP USB, is a versatile and advanced KVM switch designed for seamless control of multiple computers from a single workstation. Ideal for businesses and data centers that require efficient management of multiple devices, this switch supports a variety of configurations and offers several key features that enhance productivity and streamline operations.

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