Black Box ACU5050A-R2 Spezifikationen PDF herunterladen (Seite 30)

ServSwitch Wizard VGA/USB

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Appendix A. Troubleshooting

A.1 Status indicators

The green indicators built into the link connectors on each module provide useful feedback regarding the connection and power

status:

During startup (of the local module)

• Oneveryshortgreenflash:novalidDDCinformationavailablefromalocallyconnectedvideomonitor,nochangesmadeto

stored DDC information.

• Singlegreenflash:DDCinformationbeingreadfromalocallyconnectedvideomonitor,butnochangesmadetostoredDDC

information.

• Rapidgreenflashfor2to3seconds,followedbysingleflash:NewDDCinformationbeingreadandstoredfromalocallycon-

nected video monitor.

• Twogreenflashes-Checksumerrorpriortocopying-noinformationwillbeprogrammed.

• Threegreenflashes-Toomuchdatatofitintothemodule-themodulecanholdamaximumoftwopagesofDDCinforma-

tion.

• Rapidgreenflashingfollowedbyfourflashes-datawaslostduringcopying-thedefaultdatawassubstituted.Repeatthe

power on process.

• Rapidgreenflashingfollowedbyfiveflashes-Checksumerrorduringcopying-thedefaultdatawassubstituted.Repeatthe

power on process.

During operation (either module)

• Continualyellow:ValidCATxlinktoothermodulesensed (on dual-variants, only the indicator of the lower link connector is

used for this purpose).

• Continualgreen:Correctpowerinputsensed.

Important: The ServSwitch Wizard VGA-USB can be used with other hubs in the system, but please note that due to power con-

straints, the local unit should not be connected to the downstream port of a bus-powered USB hub. Additionally, dual-variant

local units must always be powered using their supplied power adapter. Please see section 3.2.1.5 Local module power for details.

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