The following is the test result while using different types of CATx cables

Cable Type

Resolution

Cable Length (max.)

CAT6

1080i

50M

1080p

40M

 

CAT5

1080i

50M

 

 

(solid)

1080p

20M

 

CAT5

1080i

40M

 

 

(stranded)

1080p

16M

 

EDID Configuration

In some cases display problems may occur due to incorrect EDID communication between the display monitor and the unit or inappropriate EDID data programmed by display manufactures. This EDID Copy feature allows the system either automatically provide the necessary EDID to display or manually copy EDID from EDID compliant displays via push button.

Auto EDID Configuration

The system can automatically read EDID from your display while two RJ-45 ports (Video & Aux) are in connection.

Manual EDID Configuration (EDID Copy / EDID Ghost)

While using only one CATx cable, it is suggested applying EDID Copy first.

Step 1. Use CATx cable for connection between Tx & Rx on Aux RJ-45 Jack. Apply power to Receiver Unit.

Step 2. Connect the monitor (EDID compliant) to Video Out on the Receiver Unit and power on the monitor.

Step 3. Press the button “EDID Copy” on Transmitter Unit and release the button RIGHT AFTER the LED flashes green.

Step 4. The LED flashes green & red and then it lights blue indicating copy successfully. Otherwise, if the LED flashes RED, it means that

a. The monitor is not properly connected. b. The monitor is not powered on.

c. EDID data of the monitor is not applicable. Try to repeat Step 3 to 4 again.

Instruction Manual

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StarTech.com ST121SHD50 manual Auto Edid Configuration, Manual Edid Configuration Edid Copy / Edid Ghost