TOP > Products > Switchers > SUC-S31U
Status Model number
Available SUC-S31U
The SUC-S31U is a HDMI/USB-C switcher with three (3) inputs and one (1) output. The SUC supports video resolutions up to 4K@60 (4:4:4) and is HDCP 2.2 compliant.

For video inputs, the switcher includes one (1) USB-C and two (2) HDMI inputs, one of which can be selected and output out through the local HDMI output.
Video signals can be input from a laptop that supports external display connection via the USB-C connector. Additionally, the USB-C connector supports USB Power Delivery that can provide power up to 75 W to the USB-C source device (upgraded PSU needed).
The digital audio of the selected input channel can be converted to analog audio.

Three (3) USB host ports and three (3) USB device ports enable host switching and USB hub features.

The SUC-S31U can be configured and controlled remotely using RS-232C or LAN.
ItemSUC-S01U
Video/Audio
input
USB-C1 input
DisplayPort Alternate Mode on USB Type-C, DisplayPort 1.2, HDCP 1.4/2.2
640x480@60 to 3840x1600@60 Reduced Blanking
480p, 576p to 3840x2160@ 24/25/30/50/59.94/60 (4:4:4), 4096x2160@ 24/25/30/50/59.94/60 (4:4:4)
Color depth: 24/30/36 bits
LPCM: Up to 2 channels
Sampling frequency: 32/44.1/48/88.2/96/176.4/192 kHz
Reference level: -20 dBFS, Max. input level: 0 dBFS
USB 2.0 compatible Host side, RS-232C
USB PD (Power Delivery) Up to 75 W(5V 3A, 9V 3A, 15V 3A, 20V 3.75A)
For more than 60 W, use a USB-C cable supporting 5 A.
Connector: USB Type-C
Maximum distance: 6.5 ft. (2 m)
HDMI2 inputs
HDMI/DVI 1.0 TMDS single link, HDCP 1.4/2.2
TMDS clock: Up to 300 MHz, TMDS data rate: Up to 18 Gbps
Deep Color/3D/HDR
640x480@60 to 3840x1600@60 Reduced Blanking
480i、576i to 3840x2160@ 24/25/30/50/59.94/60 (4:4:4), 3840x2160@ 50/59.94/60 (4:2:0),
4096x2160@ 24/25/30/50/59.94/60 (4:4:4), 4096x2160@ 50/59.94/60 (4:2:0)
Color depth: 24/30/36 bits
LPCM: Up to 8 channels
Sampling frequency: 32/44.1/48/88.2/96/176.4/192 kHz
Reference level: -20 dBFS, Max. output level: 0 dBFS
Connector: HDMI Type A
Maximum distances: 30 m (1080p@60), 12 m (4K@60)
Video/Audio
output
HDMI1 output
HDMI/DVI 1.0 TMDS single link, HDCP 1.4/2.2
TMDS clock: Up to 300 MHz, TMDS data rate: Up to 18 Gbps
Deep color/3D/HDR
640x480@60 to 3840x1600@60 Reduced Blanking
480i、576i to 3840x2160@ 24/25/30/50/59.94/60 (4:4:4), 3840x2160@ 50/59.94/60 (4:2:0)、
4096x2160@ 24/25/30/50/59.94/60 (4:4:4), 4096x2160@ 50/59.94/60 (4:2:0)
Color depth: 24/30/36 bitsColor depth: 24/30/36 bits
LPCM: Up to 8 channels
Sampling frequency: 32/44.1/48/88.2/96/176.4/192 kHz
Reference level: -20 dBFS, Max. output level: 0 dBFS
CEC
Connector: HDMI Type A
Maximum distances: 98 ft. (30 m) (1080p@60), 39 ft. (12 m) (4K@60)
Analog audio1 output
Stereo L/R
Output impedance: 100 Ω balanced/50 Ω unbalanced
Reference level: -10 dBu, Max. output level: +10 dBu
Connector: Captive screw (5-pin)
Other I/F RS-232C1 port, Connector: Captive screw (3-pin)
LAN1 port, 10Base-T/100Base-TX (Auto Negotiation), Auto MDI/MDI-X, Connector: RJ-45
USBHost side 2 ports, USB 2.0 compatible, RS-232C
Connector: Type-B × 2
Device side 3 ports, USB 2.0 compatible
Connector: Type-C × 1, Type-A × 2
FunctionsAudio De-embedding
ControlWEB browser, CEC through (Connector: HDMI input/output), Unsolicited notification
OthersAutomatic input switching, EDID emulation, Last memory, Anti-snow, Connection reset,
Button security lockout, USB host switching (3 ports)
General PowerDC 24 V 3.8 A
AC adapter: AC 100 V - 240 V ±10%, 50 Hz/60 Hz ±3 Hz, DC 24 V 5 A 120.0 W
Power consumption 15 W (97 W with External loading)
Dimensions 310 (W) × 30 (H) × 160 (D) mm (Excluding connectors and the like)
Weight3.1 lbs. (1.4 kg)
TemperatureOperating: 32°F to 104°F (0°C to +40°C), Storage: -4°F to +176°F (-20°C to +80°C)
Humidity20% to 90% (Non Condensing)
* Specifications are subject to change without notice.
  For the latest specification, please see product specification in PDF format.
SUC-S31U PR
2:10
Demo auto switching & USB locking with USB Neo NJR-Lx1UC in Point-to-Point mode
2:27
Technical documents Version Size Format
Spec sheet SUC-S31U Ver.1.0.0 0.3 MB PDF
User guide SUC-S31U Ver.1.0.0 6.3 MB PDF
Command guide SUC-S31U Ver.1.0.1 6.1 MB PDF
Dimensional outline drawing SUC-S31U 0.8 MB PDF
Dimensional outline drawing SUC-S31U 0.2 MB DXF
Frame diagram SUC-S31U 0.2 MB DXF/DWG
Software Terms and Conditions of Use

In terms of software downloaded from this website and the contents such as documents and images embedded in or generated by the software (“Software”), IDK grants you a non-transferable, non-exclusive license to use the Software free of charge. IDK does not transfer any right and benefit, including but not limited to any intellectual property to you. Copyrights to the Software shall remain the property of IDK and/or the respective rights holders that have given usage permission to IDK. You are not permitted to retransmit, sell, modify, decompile, disassemble, reverse-engineer or in any way obtain the source code of the Software.
IDK does not make any warranty regarding the Software. In no event shall IDK be liable to you or any third party for any damages (general, direct, indirect, special, incidental or consequential) arising out of the use of or inability to use the Software.
IDK will not answer any inquiries regarding the Software and may suspend or stop providing the Software without notice.

Software Terms and Conditions of Use

In terms of software downloaded from this website and the contents such as documents and images embedded in or generated by the software (“Software”), IDK grants you a non-transferable, non-exclusive license to use the Software free of charge. IDK does not transfer any right and benefit, including but not limited to any intellectual property to you. Copyrights to the Software shall remain the property of IDK and/or the respective rights holders that have given usage permission to IDK. You are not permitted to retransmit, sell, modify, decompile, disassemble, reverse-engineer or in any way obtain the source code of the Software.
IDK does not make any warranty regarding the Software. In no event shall IDK be liable to you or any third party for any damages (general, direct, indirect, special, incidental or consequential) arising out of the use of or inability to use the Software.
IDK will not answer any inquiries regarding the Software and may suspend or stop providing the Software without notice.

Application software Version Size Format
EDID Configuration Tool Windows 11
.NET 8 or later
Ver.1.5.0 7.6 MB ZIP
IDK Device Finder Windows 11
.NET 8 or later
Ver.1.0.0 1.2 MB ZIP
Description
The SUC-S31U is a HDMI/USB-C switcher with three (3) inputs and one (1) output. The SUC supports video resolutions up to 4K@60 (4:4:4) and is HDCP 2.2 compliant.

For video inputs, the switcher includes one (1) USB-C and two (2) HDMI inputs, one of which can be selected and output out through the local HDMI output.
Video signals can be input from a laptop that supports external display connection via the USB-C connector. Additionally, the USB-C connector supports USB Power Delivery that can provide power up to 75 W to the USB-C source device (upgraded PSU needed).
The digital audio of the selected input channel can be converted to analog audio.

Three (3) USB host ports and three (3) USB device ports enable host switching and USB hub features.

The SUC-S31U can be configured and controlled remotely using RS-232C or LAN.
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Specifications [PDF] Videos
SUC-S31U PR
2:10

Demo auto switching & USB locking with USB Neo NJR-Lx1UC in Point-to-Point mode
2:27

Close
Diagrams Download
Technical documents
Application software
    Software Terms and Conditions of Use

    In terms of software downloaded from this website and the contents such as documents and images embedded in or generated by the software (“Software”), IDK grants you a non-transferable, non-exclusive license to use the Software free of charge. IDK does not transfer any right and benefit, including but not limited to any intellectual property to you. Copyrights to the Software shall remain the property of IDK and/or the respective rights holders that have given usage permission to IDK. You are not permitted to retransmit, sell, modify, decompile, disassemble, reverse-engineer or in any way obtain the source code of the Software.
    IDK does not make any warranty regarding the Software. In no event shall IDK be liable to you or any third party for any damages (general, direct, indirect, special, incidental or consequential) arising out of the use of or inability to use the Software.
    IDK will not answer any inquiries regarding the Software and may suspend or stop providing the Software without notice.

  • EDID Configuration Tool(ZIP) Windows 11
    .NET 8 or later
  • Software Terms and Conditions of Use

    In terms of software downloaded from this website and the contents such as documents and images embedded in or generated by the software (“Software”), IDK grants you a non-transferable, non-exclusive license to use the Software free of charge. IDK does not transfer any right and benefit, including but not limited to any intellectual property to you. Copyrights to the Software shall remain the property of IDK and/or the respective rights holders that have given usage permission to IDK. You are not permitted to retransmit, sell, modify, decompile, disassemble, reverse-engineer or in any way obtain the source code of the Software.
    IDK does not make any warranty regarding the Software. In no event shall IDK be liable to you or any third party for any damages (general, direct, indirect, special, incidental or consequential) arising out of the use of or inability to use the Software.
    IDK will not answer any inquiries regarding the Software and may suspend or stop providing the Software without notice.

  • IDK Device Finder(ZIP) Windows 11
    .NET 8 or later
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