What Is the DP-FO10-KVM?
The OREI DP-FO10-KVM is a 4K@60Hz DisplayPort over fiber optic extender kit with HDMI loop output, USB 1.1 KVM support, and receiver-side audio de-embedding. It extends a DisplayPort source signal over fiber optic cable up to 10km using single-mode fiber or up to 300m using OM4 multi-mode fiber.
The kit includes a Transmitter and Receiver. The DisplayPort source connects to DP IN on the Transmitter, a local display can connect to HDMI OUT on the Transmitter, the remote display connects to DP OUT on the Receiver, and the fiber optic cable connects between the LC fiber ports on both units.
The DP-FO10-KVM supports DisplayPort 1.4a and HDCP 2.3 / 2.2 / 1.x. It supports video resolutions up to 4K@60Hz 4:4:4, HDR, HDR10, HDR10+, Dolby Vision, HLG, DisplayPort video bandwidth rates up to HBR3, HDMI loop output on the Transmitter, USB 1.1 keyboard and mouse control, and audio de-embedding on the Receiver. It extends up to 10km over single-mode fiber or up to 300m over OM4 multi-mode fiber.
The DP-FO10-KVM is useful for control rooms, command centers, medical environments, classrooms, conference rooms, AV racks, long-distance workstation setups, digital signage, security monitoring, and professional AV installations where a DisplayPort source needs to be extended over fiber.
IMPORTANT — DP-FO10-KVM Extends DisplayPort Over Fiber
The DP-FO10-KVM is a DisplayPort over fiber extender.
| Connection | Function |
| DisplayPort IN on Transmitter | Connect DisplayPort source |
| HDMI OUT on Transmitter | Connect local display / loop output |
| DP OUT on Receiver | Connect remote DisplayPort display |
| LC fiber connection | Main long-distance signal path |
| USB HOST on Transmitter | Connect source computer for KVM |
| USB DEVICE / K&M on Receiver | Connect keyboard and mouse |
The main video extension path uses fiber optic cable, not CAT cable.
IMPORTANT — Supports up to 10km Over Single-Mode Fiber
The DP-FO10-KVM supports long-distance fiber extension.
| Fiber Type | Maximum Distance |
| Single-mode fiber | Up to 10km |
| OM4 multi-mode fiber | Up to 300m / 1000ft |
Use single-mode fiber for the full 10km distance.
OM4 multi-mode fiber can also be used, but the distance drops to 300m / 1000ft.
IMPORTANT — Supports 4K@60Hz 4:4:4
The DP-FO10-KVM supports video resolutions up to 4K@60Hz 4:4:4.
Supported video features include:
| Feature | Support |
| 4K@60Hz 4:4:4 | Supported |
| DisplayPort 1.4a | Supported |
| HDCP 2.3 / 2.2 / 1.x | Supported |
| HBR3 / HBR2 / HBR / RBR | Supported |
| HDR | Supported |
| HDR10 | Supported |
| HDR10+ | Supported |
| Dolby Vision | Supported |
| HLG | Supported |
| 3D | Supported |
To get 4K@60Hz 4:4:4, the source, display, DisplayPort cable, HDMI loop display if used, fiber cable, and source output settings must support the required signal.
IMPORTANT — Transmitter Has HDMI Loop Output
The Transmitter includes HDMI OUT for local monitoring.
This means the source-side location can have a local display while the main DisplayPort signal is extended to the remote Receiver.
| Port | Function |
| Transmitter DP IN | Connect DisplayPort source |
| Transmitter HDMI OUT | Connect local HDMI display |
| Receiver DP OUT | Connect remote DisplayPort display |
This is useful for AV racks, control desks, monitoring stations, classrooms, command rooms, and installations where a source-side display is needed.
IMPORTANT — Receiver Has DisplayPort Output
The Receiver outputs DisplayPort video.
| Unit | Video Port |
| Transmitter input | DP IN |
| Transmitter loop output | HDMI OUT |
| Receiver output | DP OUT |
Use a DisplayPort display or monitor at the Receiver side.
If the remote display only has HDMI input, use a compatible DisplayPort-to-HDMI adapter that supports the required resolution.
IMPORTANT — USB 1.1 KVM Supports Keyboard and Mouse Only
The DP-FO10-KVM supports USB 1.1 KVM functionality for remote keyboard and mouse control.
| USB Function | Support |
| Keyboard | Supported |
| Mouse | Supported |
| USB 1.1 HID devices | Supported |
| USB storage drives | Not supported |
| Webcams | Not supported |
| Printers | Not supported |
| General USB peripherals | Not supported |
The manual specifically states that USB storage and other peripherals are not supported.
Use this KVM function for keyboard and mouse control only.
IMPORTANT — Audio De-Embedding Is on the Receiver
The Receiver includes AUDIO OUT.
This allows audio to be extracted at the remote display side.
| Port | Function |
| Receiver AUDIO OUT | Connect headphones, soundbar, speakers, or audio device |
The supported audio formats include:
- LPCM 2 / 5.1 / 7.1CH
- Dolby Digital / Plus / EX
- Dolby TrueHD
- DTS
- DTS-EX
- DTS-96/24
- DTS High Res
- DTS-HD Master Audio
For basic analog audio output, set the source audio to PCM / Stereo if the connected audio device does not support advanced formats.
IMPORTANT — Both Units Need Power
The DP-FO10-KVM includes two power adapters.
| Unit | Power Requirement |
| Transmitter | DC 5V/2A |
| Receiver | DC 5V/2A |
Both the Transmitter and Receiver must be powered.
If either unit does not power on, check the power adapter, outlet, DC 5V connection, and POWER LED.
IMPORTANT — Fiber Cable Connection Must Be Correct
The Transmitter has LC FIBER OUT.
The Receiver has LC FIBER IN.
| Unit | Fiber Port |
| Transmitter | LC FIBER OUT |
| Receiver | LC FIBER IN |
If there is no video, flickering, or no link, check the fiber cable connection, fiber type, fiber direction, and cable condition.
Ports and Panel Layout
| Port / Indicator | Unit | Function |
| POWER LED | Transmitter | Red LED lights when the Transmitter is powered on |
| LINK LED | Transmitter | On when Transmitter and Receiver are connected properly and transmitting |
| IN LED | Transmitter | Green LED lights when source signal is detected on DP IN |
| OUT LED | Transmitter | Green LED lights when a display is connected to HDMI OUT |
| SERVICE | Transmitter | Firmware update port |
| LC FIBER OUT | Transmitter | Connect fiber optic cable to Receiver |
| HDMI OUT | Transmitter | Connect local HDMI display |
| DP IN | Transmitter | Connect DisplayPort source device |
| USB HOST | Transmitter | Connect source computer using USB |
| DC 5V | Transmitter | Connect included power adapter |
| POWER LED | Receiver | Red LED lights when the Receiver is powered on |
| LINK LED | Receiver | On when Transmitter and Receiver are connected properly and transmitting |
| OUT LED | Receiver | Green LED lights when a display is connected to DP OUT |
| SERVICE | Receiver | Firmware update port |
| LC FIBER IN | Receiver | Connect fiber optic cable from Transmitter |
| DP OUT | Receiver | Connect remote DisplayPort display |
| AUDIO OUT | Receiver | Connect headphones, soundbar, speakers, or audio device |
| K&M / USB DEVICE | Receiver | Connect USB keyboard and mouse |
| DC 5V | Receiver | Connect included power adapter |
Step-by-Step Setup
- Connect the DisplayPort source device to DP IN on the Transmitter.
Examples include a desktop PC, workstation, laptop with DisplayPort output, graphics card, or DisplayPort media source. - Connect a local HDMI display to HDMI OUT on the Transmitter if local monitoring is needed.
- Connect LC fiber optic cable from LC FIBER OUT on the Transmitter to LC FIBER IN on the Receiver.
- Connect the remote DisplayPort display to DP OUT on the Receiver.
- Connect the included DC 5V power adapter to the Transmitter.
- Connect the included DC 5V power adapter to the Receiver.
- If using KVM, connect the computer to USB HOST on the Transmitter.
- Connect a keyboard and mouse to the K&M / USB DEVICE ports on the Receiver.
- If using audio de-embedding, connect headphones, speakers, soundbar, or audio device to AUDIO OUT on the Receiver.
- Power on the source, local display, remote display, Transmitter, Receiver, and connected audio / USB devices.
- Check the POWER, LINK, IN, and OUT LEDs.
- Test video, local HDMI loop output, remote DisplayPort output, audio output, keyboard, and mouse.
Fiber Cable Requirement — Critical
Use the correct fiber cable type for the installation distance.
| Fiber Type | Maximum Distance |
| Single-mode fiber | Up to 10km |
| OM4 multi-mode fiber | Up to 300m / 1000ft |
Poor or incorrect fiber cable may cause:
- No video
- Flickering
- Black screen
- LINK LED flashing
- No transmission
- Intermittent display
- Remote monitor not detecting signal
- KVM control not working
Keep fiber ends clean and avoid bending fiber cable beyond the safe bend radius.
DisplayPort Cable Requirement — Critical
Use good-quality DisplayPort cables for:
- Source device to Transmitter DP IN
- Receiver DP OUT to remote DisplayPort display
Poor DisplayPort cables may cause:
- No picture
- Flickering
- Black screen
- 4K@60Hz not working
- HDR not working
- Display not detected
For troubleshooting, test the DisplayPort source directly with the display before using the extender.
HDMI Cable Requirement — Critical
The Transmitter HDMI OUT is used for local display monitoring.
Use a high-quality HDMI cable between the Transmitter HDMI OUT and local display.
Poor HDMI cable quality may cause:
- No local loop output
- Flickering
- Black screen
- Wrong resolution
- Local monitor not detected
Power Requirement — Critical
Both units require DC 5V/2A power.
| Unit | Power |
| Transmitter | DC 5V/2A |
| Receiver | DC 5V/2A |
The Transmitter power consumption is listed as 3.85W max.
The Receiver power consumption is listed as 3.3W max.
Understanding the Transmitter
The Transmitter is installed near the source computer or DisplayPort device.
It has:
- DP IN
- HDMI OUT loop output
- LC FIBER OUT
- USB HOST
- SERVICE firmware update port
- DC 5V input
- POWER, LINK, IN, and OUT LEDs
The Transmitter receives DisplayPort video, provides local HDMI loop output, and sends the signal over fiber to the Receiver.
Understanding the Receiver
The Receiver is installed near the remote display.
It has:
- LC FIBER IN
- DP OUT
- AUDIO OUT
- K&M / USB DEVICE ports
- SERVICE firmware update port
- DC 5V input
- POWER, LINK, and OUT LEDs
The Receiver outputs DisplayPort video to the remote monitor, extracts audio, and provides keyboard / mouse control back to the source computer.
Understanding the Application Example
The application diagram shows a host computer connected to the Transmitter by DisplayPort and USB, a local monitor connected to the Transmitter HDMI loop output, single-mode fiber connecting the Transmitter to the Receiver, and a remote monitor connected to the Receiver DP OUT. The Receiver side also shows 2.0 speakers connected to AUDIO OUT, plus keyboard and mouse connected to the K&M ports.
This example shows the main use case: extend DisplayPort video, audio output, and keyboard / mouse control over fiber.
Understanding LED Indicators
| Indicator | Status | Meaning |
| POWER LED On | Unit is powered | |
| LINK LED On | Transmitter and Receiver are connected properly and transmitting | |
| LINK LED Flashing | Transmitter and Receiver are not connected properly and not transmitting | |
| Transmitter IN LED On | Source signal is detected on DP IN | |
| Transmitter OUT LED On | Display is connected to HDMI OUT | |
| Receiver OUT LED On | Display is connected to DP OUT |
Use the LEDs first when troubleshooting.
Supported Video and Audio
The DP-FO10-KVM supports video formats including:
| Supported Video |
| 480i60 |
| 576i50 |
| 480p60 |
| 576p50 |
| 720p50 / 60 |
| 1080i50 / 60 |
| 1080p24 / 25 / 30 / 50 / 60 |
| 4K2K24 / 25 / 30 |
| 4K2K50 / 60 4:2:0 |
| 4K2K50 / 60 4:4:4 |
| 640x480@60 |
| 1024x768@60 |
| 1280x768@60 |
| 1280x800@60 |
| 1280x1024@60 |
| 1360x768@60 |
| 1440x900@60 |
| 1680x1050@60 |
| 1920x1200@60RB |
| HDR |
| HDR10 |
| HDR10+ |
| Dolby Vision |
| HLG |
Supported audio formats include:
| Supported Audio |
| LPCM 2CH |
| LPCM 5.1CH |
| LPCM 7.1CH |
| Dolby Digital |
| Dolby Digital Plus |
| Dolby Digital EX |
| Dolby TrueHD |
| DTS |
| DTS-EX |
| DTS-96/24 |
| DTS High Res |
| DTS-HD Master Audio |
Supported Technical Specifications
| Specification | Support |
| Product Type | 4K@60Hz DisplayPort over fiber extender with HDMI loop and KVM |
| DisplayPort Version | DP 1.4a |
| HDCP Version | HDCP 2.3 / 2.2 / 1.x |
| Video Bandwidth | HBR3, HBR2, HBR, RBR |
| Bandwidth Rates | 8.1 / 5.4 / 2.7 / 1.62Gbps |
| Maximum Resolution | 4K@60Hz 4:4:4 |
| Color Space | RGB, YCbCr 4:4:4, YCbCr 4:2:2, YCbCr 4:2:0 |
| Color Depth | 8-bit, 10-bit, 12-bit |
| HDR | HDR, HDR10, HDR10+, Dolby Vision, HLG |
| Fiber Optic Module | 10G SFP+ module |
| Single-Mode Fiber Distance | Up to 10km |
| Multi-Mode Fiber Distance | Up to 300m over OM4 |
| USB KVM | USB 1.1 keyboard and mouse only |
| Transmitter Input | 1 x DP |
| Transmitter Output | 1 x HDMI, 1 x LC FIBER OUT |
| Transmitter Control | USB HOST, SERVICE USB-C update port |
| Receiver Input | 1 x LC FIBER |
| Receiver Output | 1 x DP, 1 x 3.5mm audio output |
| Receiver Control | SERVICE USB-C update port, USB 1.1 Type-A for keyboard / mouse |
| Power Supply | DC 5V/2A |
| Power Consumption | Transmitter 3.85W max; Receiver 3.3W max |
| Housing | Metal enclosure |
| Color | Black |
| Dimensions | 120mm x 78mm x 24.5mm |
| Weight | Transmitter 248g; Receiver 278g |
| Operating Temperature | 0°C to 40°C / 32°F to 104°F |
| Storage Temperature | -20°C to 60°C / -4°F to 140°F |
| Operating Humidity | 20%–80% RH, non-condensing |
| Storage Humidity | 10%–90% RH, non-condensing |
| ESD Protection | ±8kV air-gap, ±4kV contact |
What Source Devices Is the DP-FO10-KVM Compatible With?
The DP-FO10-KVM is compatible with DisplayPort source devices such as:
- Desktop PCs
- Workstations
- Laptops with DisplayPort output
- Graphics cards
- Control room computers
- Medical workstations
- Security monitoring PCs
- Professional AV source systems
For KVM use, the source computer must also connect to the Transmitter USB HOST port.
What Displays Is the DP-FO10-KVM Compatible With?
The DP-FO10-KVM can connect to:
- DisplayPort monitors
- 4K DisplayPort displays
- Control room monitors
- Workstation displays
- Professional AV displays
- Remote monitoring displays
The Receiver output is DisplayPort, so the remote display should support DisplayPort input.
The Transmitter loop output is HDMI, so the local loop display should support HDMI input.
What USB Devices Is the DP-FO10-KVM Compatible With?
The DP-FO10-KVM supports USB 1.1 HID devices only.
Compatible USB devices include:
- Keyboard
- Mouse
Not supported:
- USB flash drives
- USB hard drives
- USB cameras
- Printers
- USB hubs for general peripherals
- USB audio devices
- Other non-HID USB peripherals
Frequently Asked Questions
Q: What is the OREI DP-FO10-KVM used for?
A: The DP-FO10-KVM is used to extend DisplayPort video, receiver-side audio output, and keyboard / mouse control over fiber optic cable.
Q: Does the DP-FO10-KVM support 4K@60Hz?
A: Yes. It supports up to 4K@60Hz 4:4:4.
Q: Does it support 8K?
A: No. It supports up to 4K@60Hz.
Q: Does it support 4K@120Hz?
A: No. It does not support 4K@120Hz.
Q: What DisplayPort version does it support?
A: It supports DisplayPort 1.4a.
Q: What HDCP version does it support?
A: It supports HDCP 2.3, HDCP 2.2, and HDCP 1.x.
Q: What video bandwidth rates are supported?
A: It supports HBR3, HBR2, HBR, and RBR rates: 8.1Gbps, 5.4Gbps, 2.7Gbps, and 1.62Gbps.
Q: How far can it extend over single-mode fiber?
A: It supports up to 10km over single-mode fiber.
Q: Can I use multi-mode fiber?
A: Yes. OM4 multi-mode fiber can be used, but the distance is reduced to 300m / 1000ft.
Q: Does the Transmitter have HDMI loop output?
A: Yes. The Transmitter has HDMI OUT for local monitoring.
Q: Is the Receiver output HDMI or DisplayPort?
A: The Receiver output is DisplayPort.
Q: Does it support audio output?
A: Yes. The Receiver has a 3.5mm AUDIO OUT port for audio de-embedding.
Q: What audio formats are supported?
A: It supports LPCM 2 / 5.1 / 7.1CH, Dolby Digital / Plus / EX, Dolby TrueHD, DTS, DTS-EX, DTS-96/24, DTS High Res, and DTS-HD Master Audio.
Q: Does it support Dolby Atmos?
A: Dolby Atmos is not listed in the DP-FO10-KVM manual.
Q: Does it support HDR?
A: Yes. It supports HDR, HDR10, HDR10+, Dolby Vision, and HLG.
Q: Does it support USB KVM?
A: Yes. It supports USB 1.1 KVM for keyboard and mouse control.
Q: Can I connect USB storage to the Receiver?
A: No. USB storage is not supported.
Q: Can I connect a USB camera or webcam?
A: No. The manual says only USB 1.1 HID devices such as keyboard and mouse are supported.
Q: Where do I connect the computer for KVM?
A: Connect the computer to the Transmitter USB HOST port.
Q: Where do I connect the keyboard and mouse?
A: Connect the keyboard and mouse to the K&M / USB DEVICE ports on the Receiver.
Q: Does it use CAT cable?
A: No. The main extension uses fiber optic cable.
Q: Does it work through a network switch?
A: No. This is a fiber optic extender connection between the Transmitter and Receiver, not an AV-over-IP system.
Q: Does it support RS-232?
A: RS-232 is not listed for this model.
Q: Does it support LAN pass-through?
A: LAN pass-through is not listed for this model.
Q: What power adapter does it use?
A: Each unit uses a DC 5V/2A power adapter.
Q: Do both units need power?
A: Yes. Both the Transmitter and Receiver require power.
Q: What should I do if there is no video or flickering output?
A: Check the DisplayPort cable and fiber optic cable connections, use a single-mode fiber cable, test with a shorter fiber run, try a lower source resolution, and check whether the Transmitter HDMI OUT has the same issue.
Q: What should I do if the LINK LED is flashing?
A: The Transmitter and Receiver are not connected properly and are not transmitting. Check the fiber cable, fiber type, cable condition, and both power adapters.
Q: What does the Transmitter IN LED mean?
A: It lights when a source signal is detected on the DisplayPort IN port.
Q: What does the Transmitter OUT LED mean?
A: It lights when a display is connected to the HDMI OUT loop port.
Q: What does the Receiver OUT LED mean?
A: It lights when a display is connected to the DisplayPort OUT port.
Q: Does the DP-FO10-KVM need external power?
A: Yes. Connect the included DC 5V/2A power adapters to both the Transmitter and Receiver.
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