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Black Box ACS4002A-R2-SM Manual De Usuario

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Page 21
Chapter 3: Installation
3.4 Diagnostic LEDs
Each DVI-D/-I CATx KVM-Extender has indicator LEDs for Power, Video OK, Data Error, and Link Status. The Power LEDs are built 
into the Power switch. The location of the LEDs is shown below:
Diagnostic LED:  
Power.
Diagnostic LED:  
Data Error.
Diagnostic LED:  
Link Status.
Figure 3-11. Power, Data, and Link LEDs.
Diagnostic LED:  
“Video is OK“.
Figure 3-12. Diagnostic Video LED.
Table 3-1. LED Information
LED
Appearance
Diagnostics
Power LED 
(Red LED)
Off 
On
Device not ready 
Device ready
Video OK 
(Green LED)
Off 
On
No signal or invalid video signal detected 
Device ready
Power LED 
(Green LED)
Blinking 
On
No CATx connection 
Device ready
Power LED 
(Green LED) 
Off 
Blinking/on 
Device ready 
Errors through data transmission over CATx cable 
(Cable too long, too high attenuation or too much EMI interference)
ACS4002A-R2