Black Box ACX080-PS, ACXIO8-C, ACXSFPC Blank Screen, Contacting Black Box, Troubleshooting, Page

Models: ACX080 ACX288-PS ServSwitch DKM-FX ACX288 ACX048 ACXIO8-C ACXSFPS ACX160-PS ACXIO8-SM ACXSFPC ACX080-PS ACXIO8-SPF ACX288-CTL ACX160

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7.7 Blank Screen

Chapter 7: Troubleshooting

7.7 Blank Screen

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2

3

1

2

3

3

Figure 7-1. LEDs on the ServSwitch DKM FX.

Table 7-7. LED indications.

Problem

Possible Cause

Solution

 

 

 

Monitor remains dark after switching operation

Switching to a CPU port

 

without active source

Connect the computer or CPU

(computer, CPU)

 

 

 

Connection of a console

 

with a CON port or

Check CON and CPU port connections at the

connection of a CPU to a

ServSwitch DKM FX

CPU port not established

 

correctly

 

Connections of the CON

LED 1 on or LED 2 off unit, ServSwitch DKM FX, and the CPU unit

Check the cables and connectors (no cable, cable break, CPU/CON unit off-line, CPU/CON unit connected to the wrong port

LED 3 off

Power supply

Check the power supply units and connection

to the power network

 

 

 

 

 

7.8 Contacting Black Box

If you determine that your ServSwitch DKM FX is malfunctioning, do not attempt to alter or repair the unit. It contains no user-serviceable parts. Contact Black Box Technical Support at 724-746-5500 or info@blackbox.com.

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724-746-5500 blackbox.com

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Black Box ACX080-PS, ACXIO8-C, ACX048 Blank Screen, Contacting Black Box, Troubleshooting, Page, 724-746-5500| blackbox.com