Black Box KV822A, KV812A manual Operation, Interpreting the Status Display at Power-Up

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SERVSWITCH™ USB AND USB PLUS

5. Operation

This chapter explains the general operation of the ServSwitch USB. We recommend that you read this chapter carefully before starting to use the Switch.

5.1 Interpreting the Status Display at Power-Up

When you plug in the ServSwitch USB to power it up, its front-panel 7-segment display will show one of three things:

•If it’s not actually getting any power, the display will be blank.

•If it’s getting power and its front-panel pushbutton isn’t pressed, it will select CPU channel #1; the display will blink “1” while the USB “enumeration process” occurs—see Section 3.1—then will be solidly lit “1”.

•If it’s getting power and its pushbutton is pressed, the display will show the firmware revision (see Section 5.2.2), then blinking and solid “1” as above.

For the meaning of this display after power-up, see Section 5.3.)

DISPLAY SHOWS:

Blank

MEANING:

Switch is not receiving enough power to operate

Flashing number “1”

Switch has powered up normally and is performing enumeration

Alternating letter “F”s and numbers

Steadily lit number “1”

Switch is displaying its firmware revision

Switch has powered up normally and is ready to operate

Figure 5-1. The front-panel status display at power-up.

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Contents KV812A KV814A KV822A KV824A KV812A KV814A KV822A KV824A Welcome to the ServSwitchTM FamilyServswitch USB and USB Plus RADIO-FREQUENCY Interference Statements Declaration of Conformity NOM Statement Servswitch USB and USB Plus Contents Servswitch USB and USB Plus Specifications Power ConnectorsTemperature Tolerance WeightIntroduction Features and BenefitsServswitch USB and USB Plus Complete Package Status display 7-segment LED ServSwitch USB IllustratedRear panel of the 2-port ServSwitch USB Plus KV822A Safety Concerns Configuration DIP switch ConfigurationGuard Time Position Setting the Enumeration Guard Time Positions 5Setting Which Ports to Cycle To and Autoscan Position Setting the Autoscan Pause Time PositionEnabling/Disabling Mouse Switching USB Plus Only, Position What Else You’ll Need InstallationGetting Your PCs Ready and Verifying Your Peripherals Connecting Your Devices 3 PS/2 Keyboard and Mouse OPTIONAL, USB Plus only Keyboard Key Mappings Cpus Powering the System Operation Interpreting the Status Display at Power-UpOperation Using the Front-Panel PushbuttonDisplay Shows Meaning Interpreting the Status Display During Normal OperationOperation To tab through channels Using the PS/2 Mouse Optional, USB Plus OnlyUsing the Remote-Control Module Optional, USB Plus Only Things To Try TroubleshootingMy video quality is poor smearing, fuzziness, rippling, etc Power key on my Mac USB keyboard doesn’t seem to workShipping and Packaging Calling Black BoxPage Page Customer Support Information
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