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724-746-5500    |    blackbox.com

724-746-5500    |    blackbox.com

724-746-5500    |    blackbox.com

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© Copyright 2015. Black Box Corporation. All rights reserved.  
Black Box and the Double Diamond logo are registered trademarks of 
BB Technologies, Inc. Intel is a trademark of Intel Corporation in the U.S. 
and/or other countries. 

Any other trademarks mentioned in this manual 

are acknowledged to be the property of the trademark owners.

Distribute HDMI video out 

to four displays.

1 x 4 HDMI Splitter 4K

VSP-HDMI1X4-4K

HDMI Splitter 4K User’s Manual

4. Operation

The quality of the output signal depends on the quality of video 
source, cable, and display device used. Low-quality cables degrade 
output signals causing elevated noise levels. Use the proper cable 
and make sure the display device can handle the resolution and 
refresh rate selected. Interference from nearby electrical devices  
can adversely affect signal quality.

Table 4-1. LED indicator functions.

LEDs 1, 2, 3, or  4 Status

Flashing green

Power ON to Port 1, 2, 3, or 4

Steady green

Port 1, 2, 3, or 4 is outputting 
the data

5. Troubleshooting

Symptom

: Video does not display

Possible Cause

: Wrong installation process. 

Solution

: The video splitter requires at least one monitor  

connection before powering on the source device.

Symptom

: Erratic behavior

Possible Cause

: Splitter may not receive enough power.

Solution

: Check the power adapter attached to the splitter to 

make sure it matches the system specifications, and is functioning 
properly.

Symptom

: Not receiving picture.

Possible Cause

: The signal source may require a display device that 

is HDCP compliant.

Solution

: Check if the display monitor is HDCP compliant. HDCP 

prevents the transfer of digital content to unauthorized HDMI 
devices.

Possible Cause

: The display monitor is added to the unit by  

hot-plug, but the video source may not support hot-plug.

Solution

: Check if the video source supports hot-plug. If it doesn’t, 

shut down the source device and reboot it again. 

Possible Cause

: The attached devices are not connected properly.

Solution

: Check if you connected your components correctly.

vsp-hdmi1x4-4k_rev1

1. Specifications

Enclosure

Metal

TMDS Clock 
Rate

300 MHz

Video 
Resolution 
(Maximum)

4K x 2K (3840x 2160); 

Full HD 1080p (1920 x 1080)

User Controls

(1) EDID Copy button

Connectors

Input: (1) HDMI female, 
Output: (4) HDMI female

Indicators

(1) Power Input Status LED; 
(4) Video Output LEDs

Power

Consumption: 
   9–12 VDC, 

130

 mA

Dimensions

1.6"H x 8.6"W x 5.1"D  
(4.2 x 21.8 x 13 cm)

Weight

0.627 lb. (0.285 kg)

NOTE:  The splitter is not 4K compatible when using 

Intel

®

 HD 4400 based services.

HDMI Splitter 4K User’s Manual

Disclaimer:

Black Box Network Services shall not be liable for damages of any 
kind, including, but not limited to, punitive, consequential or cost 
of cover damages, resulting from any errors in the product  
information or specifications set forth in this document and  
Black Box Network Services may revise this document at any time  
without notice.

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