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23 3.4 diagnostic leds, Installation – IHSE USA 437 Series DDXi DVI/VGA Extender User Manual

Page 23

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INSTALLATION

23

3.4 Diagnostic LEDs

Each Extender unit is fitted with four indicator LEDs: Communication Error, Link
Status

, Device Ready and Video Signal. The Indicator LEDs are located in the same

positions on all models in the DDXI DVI/VGA KVM Extender range. The
Communication Error

and Link Status LEDs are to the left and right, respectively, of

the Interconnect sockets. The Device Ready and Video Signal LEDs are next to the
Power socket.
As an example, the location of the LEDs is shown below for K439-1W Remote and
Local units:

Communication Error

Link Status

Communication Error

Link Status

Video Signal

Device Ready

Device Ready

Video Signal

(Green)

(Red)

(Red)

(Green)

Figure 8

Diagnostic LEDs on Remote (left) and Local (right)
K439-1W units

LED

Appearance

Diagnostics

Communication
Error

Off
Flashing

slow

medium

fast

No communication error for >60 minutes
Indicates number of communication errors
during previous 60 minutes:

10-100 (CATx)

1-2

(Fiber)

100-1000(CATx)

3-10

(Fiber)

>1000 (CATx)

>10

(Fiber)

Error counter cleared automatically 60 minutes after previous communication
error.

Link Status

On
Flashing

Link connection is locked
Interconnection cable not connected or not
functioning

Device Ready

(Red LED)

Off
On

Device not ready
Device ready

Video Signal

(Green LED)

Off
On

No video signal or valid mode detected
Attached and valid mode detected