What Is the UHD816-EX230-K?
The OREI UHD816-EX230-K is an 18Gbps 8x8 HDMI matrix extender kit with IR matrix function. It connects up to eight HDMI source devices to eight output zones, with each output available through both a local HDMI output and a mirrored CAT output for long-distance display connection.
The kit includes one UHD816-EX230-K Matrix and eight CAT Receivers. HDMI sources connect to HDMI IN 1–8 on the Matrix, local displays can connect to HDMI OUT 1–8, and remote displays connect through the CAT Receivers using CAT6 cable.
The UHD816-EX230-K supports HDMI 2.0b and HDCP 2.2 / 1.x, with a video bandwidth of 18Gbps. It supports video resolutions up to 4K@60Hz 4:4:4, HDR10, HDR10+, Dolby Vision, HLG, HDMI and CAT mirrored outputs, 12V PoC to all CAT Receivers, one-way IR matrix function, EDID management, CEC control, front-panel control, IR remote control, RS-232 control, LAN control, and Web GUI control. It extends HDMI over CAT up to 230ft / 70m using CAT6 cable.
The UHD816-EX230-K is useful for sports bars, restaurants, houses of worship, conference rooms, classrooms, retail displays, control rooms, hotels, commercial AV systems, and multi-room HDMI distribution where eight HDMI sources need to be routed to up to eight display zones.
IMPORTANT — UHD816-EX230-K Is an 8x8 HDMI Matrix
The UHD816-EX230-K allows eight HDMI sources to be routed to eight display output zones.
| Function | Support |
| 8 HDMI inputs | Supported |
| 8 HDMI outputs | Supported |
| 8 mirrored CAT outputs | Supported |
| 8 included CAT Receivers | Supported |
| Any input to any output | Supported |
| Same source to multiple outputs | Supported |
| Different sources to different outputs | Supported |
| Extended desktop creation | Not supported |
This product routes HDMI sources to display zones. It does not create extended desktop screens from one computer unless the computer itself outputs multiple independent HDMI signals.
IMPORTANT — Each HDMI Output Is Mirrored to a CAT Output
Each output zone includes both:
- Local HDMI output on the Matrix
- Mirrored CAT output to a CAT Receiver
This means Output 1 HDMI and Output 1 CAT show the same selected source. Output 2 HDMI and Output 2 CAT show the same selected source, and so on.
| Output Zone | Local Output | Remote Output |
| Output 1 | HDMI OUT 1 | CAT OUT 1 to Receiver |
| Output 2 | HDMI OUT 2 | CAT OUT 2 to Receiver |
| Output 3 | HDMI OUT 3 | CAT OUT 3 to Receiver |
| Output 4 | HDMI OUT 4 | CAT OUT 4 to Receiver |
| Output 5 | HDMI OUT 5 | CAT OUT 5 to Receiver |
| Output 6 | HDMI OUT 6 | CAT OUT 6 to Receiver |
| Output 7 | HDMI OUT 7 | CAT OUT 7 to Receiver |
| Output 8 | HDMI OUT 8 | CAT OUT 8 to Receiver |
The HDMI and CAT output in the same zone cannot show different sources because they are mirrored outputs.
IMPORTANT — Supports 4K@60Hz 4:4:4
The UHD816-EX230-K supports video resolutions up to 4K@60Hz 4:4:4.
Supported video features include:
| Feature | Support |
| 4K@60Hz 4:4:4 | Supported |
| 18Gbps bandwidth | Supported |
| HDMI 2.0b | Supported |
| HDCP 2.2 / 1.x | Supported |
| HDR10 | Supported |
| HDR10+ | Supported |
| Dolby Vision | Supported |
| HLG | Supported |
To get 4K@60Hz 4:4:4, the HDMI sources, displays, HDMI cables, CAT6 cable, and EDID settings must support the required signal.
IMPORTANT — CAT Output Extends up to 230ft / 70m
The CAT outputs can extend HDMI signals up to 230ft / 70m using a single CAT6 cable.
| Cable Type | Maximum Distance |
| CAT6 | Up to 230ft / 70m |
For best performance, use high-quality CAT6 cable with proper termination.
Poor CAT cable, damaged connectors, couplers, patch panels, or poor terminations may reduce distance or cause unstable video.
IMPORTANT — Use Direct CAT Cable Connections
Each CAT Receiver should be connected directly to the corresponding CAT output on the Matrix.
Do not connect the CAT outputs through:
- Network switch
- Router
- Internet network
- LAN switch
- Standard Ethernet port
- Home or office data network
This product uses CAT cable for HDMI extension to the included Receivers. It is not an AV-over-IP system.
IMPORTANT — 12V PoC Powers the CAT Receivers
The UHD816-EX230-K supports 12V PoC on all CAT ports.
This means the Matrix can power the CAT Receivers through the CAT cable.
| Power Setup | Support |
| Matrix powered by included power supply | Required |
| CAT Receivers powered through CAT cable | Supported |
| Separate Receiver power required | Not normally required |
| Receiver local DC 12V input | Available if needed |
The package includes one 12V/5A power supply.
If a Receiver does not power on, check the Matrix power supply, CAT cable, CAT output connection, and Receiver power indicator.
IMPORTANT — One-Way IR Matrix Function Is Supported
The UHD816-EX230-K supports one-way IR matrix function.
IR signals are sent from the remote Receiver side back to the Matrix side, allowing users near remote displays to control the source device assigned to that output.
Example:
| Receiver Output | Selected Source | IR Signal Sent To |
| CAT Receiver 4 | HDMI IN 4 | Matrix IR OUT 4 |
| CAT Receiver 6 | HDMI IN 6 | Matrix IR OUT 6 |
This allows the IR control path to follow the source routing.
Typical source-control setup:
- Connect IR Receiver cable to IR IN on the CAT Receiver.
- Place the IR Receiver near the remote display.
- Connect IR Blaster cable to the matching IR OUT port on the Matrix.
- Place the IR Blaster near the HDMI source device’s IR window.
- Use the source device remote from the display location.
IMPORTANT — IR EXT Port Is Included
The Matrix includes an IR EXT port.
This is useful when the Matrix is installed inside a cabinet, rack, or closet where the front IR window is blocked.
| IR Control Option | Use |
| Front IR window | Use when the remote has line of sight to the Matrix |
| IR EXT port | Use when the Matrix is hidden in a rack or cabinet |
The manual shows the IR remote working up to 7m with the Matrix IR window or IR EXT Receiver cable.
IMPORTANT — Multiple Control Methods Are Supported
The UHD816-EX230-K can be controlled in several ways.
| Control Method | Support |
| Front panel buttons | Supported |
| IR remote | Supported |
| RS-232 | Supported |
| LAN / TCP/IP | Supported |
| Web GUI | Supported |
| CEC control | Supported |
This makes the Matrix suitable for both simple AV setups and professional control systems.
IMPORTANT — Web GUI Control Is Supported
The UHD816-EX230-K supports browser-based Web GUI control.
The manual lists the default IP address as:
| Network Setting | Default |
| Default IP address | 192.168.0.100 |
Default login credentials:
| Username | Password |
| User | user |
| Admin | admin |
The Web GUI can be used for:
- Input/output switching
- Preset saving and recall
- Input naming
- Output naming
- EDID management
- Stream on/off
- CEC control
- Network settings
- Password changes
- Panel lock
- Beep on/off
- Serial baud rate
- Firmware update
- Factory reset
- Reboot
IMPORTANT — Front Panel Switching Is Supported
The front panel includes INPUT ▲/▼ and OUTPUT ▲/▼ buttons.
To switch a source to an output:
- Use OUTPUT ▲/▼ to select output channel 1–8 or A.
- Use INPUT ▲/▼ to select input channel 1–8.
- The Nixie tubes flash three times after the switching command is completed.
| Front Panel Selection | Function |
| Output 1–8 | Select one output zone |
| Output A | Select all output channels |
| Input 1–8 | Select the HDMI source |
If Output A is selected, the selected HDMI input is sent to all display devices.
IMPORTANT — IR Remote Control Is Included
The included IR remote can control source selection for each output.
| Remote Button / Section | Function |
| Power | Power on the Matrix or set it to standby |
| Input 1–8 | Select HDMI input source |
| Output 1–8 | Select output channel |
| ALL | Select all output channels |
| ◀ / ▶ | Select previous or next input channel |
Operation example:
Press Output 3, then press Input 5. Output 3 will show HDMI Input 5.
Press ALL, then press Input 1. All outputs will show HDMI Input 1.
IMPORTANT — EDID Management Is Included
The UHD816-EX230-K includes 21 factory-defined EDID settings, 2 user-defined EDID modes, and 16 copy EDID modes.
EDID can be set through:
- RS-232 command
- Web GUI
EDID options include:
| EDID Type | Examples |
| 1080p | Stereo 2.0, Dolby/DTS 5.1, HD Audio 7.1 |
| 1080i | Stereo 2.0, Dolby/DTS 5.1, HD Audio 7.1 |
| 3D | Stereo 2.0, Dolby/DTS 5.1, HD Audio 7.1 |
| 4K30 4:4:4 | Stereo 2.0, Dolby/DTS 5.1, HD Audio 7.1 |
| 4K60 4:2:0 | Stereo 2.0, Dolby/DTS 5.1, HD Audio 7.1 |
| 4K60 4:4:4 | Stereo 2.0, Dolby/DTS 5.1, HD Audio 7.1 |
| 4K60 HDR | Stereo 2.0, Dolby/DTS 5.1, HD Audio 7.1 |
| User EDID | USER1 and USER2 |
| Copy EDID | Copy from HDMI outputs 1–8 or CAT outputs 1–8 |
Use EDID management when there is no video, wrong resolution, audio compatibility issue, HDR issue, or mixed display capability.
IMPORTANT — CEC Control Is Supported
The UHD816-EX230-K supports CEC control.
CEC functions include:
- Input source power on/off
- Input source menu control
- Play / pause / stop
- Previous / next
- Fast forward / rewind
- Volume up / down / mute
- HDMI output display power on/off
- Active source control
CEC behavior depends on the connected HDMI source, display, HDMI cable, and device settings.
If CEC does not work reliably, use IR or RS-232 control where available.
IMPORTANT — RS-232 and TCP/IP Control Are Supported
The UHD816-EX230-K supports RS-232 command control and TCP/IP control.
Default RS-232 settings:
| RS-232 Setting | Value |
| Baud rate | 115200 |
| Data bits | 8 |
| Stop bits | 1 |
| Check bit | 0 |
| TCP/IP protocol port | 8000 |
RS-232 commands can control or check:
- Power
- Reboot
- Factory reset
- Input/output routing
- Presets
- HDMI output stream on/off
- CAT output stream on/off
- CAT output distance mode
- EDID
- CEC
- Network settings
- Panel lock
- Beep
- Baud rate
IMPORTANT — CAT Output Distance Mode Is Supported
The RS-232 command list includes CAT output distance mode settings.
| Distance Mode | Function |
| Normal Mode | General CAT cable operation |
| 35m Mode | CAT cable distance 35m mode |
| 70m Mode | CAT cable distance 70m mode |
Use these settings only when needed for installation tuning or troubleshooting through command control.
IMPORTANT — HDMI Cable Length Matters
The manual recommends Premium High Speed HDMI cables.
| Resolution | Recommended HDMI Cable Length |
| 4K60 | Up to 16ft / 5m |
| 4K30 | Up to 32ft / 10m |
| 1080p60 | Up to 50ft / 15m |
Poor HDMI cables may cause no video, flickering, black screen, HDR issues, HDCP handshake problems, or unstable 4K@60Hz performance.
Ports and Panel Layout
| Port / Button / Indicator | Unit | Function |
| Power LED | Matrix front | Green when working normally; red when in standby |
| IR window | Matrix front | Receives IR remote signal for the Matrix |
| INPUT ▲/▼ | Matrix front | Select HDMI input channels 1–8 |
| OUTPUT ▲/▼ | Matrix front | Select output channels 1–8 or all outputs |
| HDMI OUT 1–8 | Matrix rear | Local HDMI display outputs |
| CAT OUTPUT 1–8 | Matrix rear | Mirrored CAT outputs to Receivers |
| HDMI IN 1–8 | Matrix rear | Connect HDMI source devices |
| IR OUT 1–8 | Matrix rear | Connect IR Blaster cables |
| IR EXT | Matrix rear | Connect IR Receiver cable for hidden Matrix control |
| TCP/IP | Matrix rear | LAN port for TCP/IP and Web GUI control |
| RS-232 | Matrix rear | RS-232 command control port |
| Power switch | Matrix rear | Turns Matrix on or off |
| DC 12V | Matrix rear | Connect included 12V/5A power supply |
| HDMI OUT | CAT Receiver | Connect HDMI display |
| CAT IN | CAT Receiver | Connect CAT cable from Matrix CAT output |
| Power indicator | CAT Receiver | Green light turns on when Receiver is powered |
| Data signal indicator | CAT Receiver | Orange light turns on when signal is transmitting |
| SERVICE | CAT Receiver | Firmware update port |
| IR IN | CAT Receiver | Connect IR Receiver cable |
| DC 12V | CAT Receiver | Optional local power input |
Step-by-Step Setup
- Connect HDMI source devices to HDMI IN 1–8 on the Matrix.
Examples include Blu-ray players, cable boxes, streaming devices, PCs, laptops, game consoles, DVRs, NVRs, or TV boxes. - Connect local displays to HDMI OUT 1–8 if local HDMI outputs are needed.
- Connect CAT OUTPUT 1 on the Matrix to CAT IN on Receiver 1 using CAT6 cable.
- Repeat for CAT OUTPUT 2 through CAT OUTPUT 8.
- Connect each Receiver HDMI OUT to the remote display.
- Connect the included DC 12V/5A power supply to the Matrix.
- If using IR control, connect IR Blaster cables to IR OUT 1–8 on the Matrix.
- Place each IR Blaster near the corresponding source device’s IR window.
- Connect IR Receiver cables to IR IN on the CAT Receivers.
- Place each IR Receiver near the remote display where the source remote can point.
- If the Matrix is hidden in a cabinet or rack, connect an IR Receiver cable to IR EXT.
- If using RS-232 control, connect the RS-232 cable from the Matrix to the control system or PC.
- If using Web GUI / LAN control, connect the TCP/IP port to the network or control PC.
- Power on the Matrix, sources, displays, and any connected control equipment.
- Use the front panel, IR remote, RS-232, LAN, or Web GUI to route sources to outputs.
- Set EDID if needed.
- Test each HDMI output, CAT output, IR return, audio, CEC, and control method.
CAT Cable Requirement — Critical
Use high-quality CAT6 cable.
| Connection | Cable Type | Maximum Distance |
| Matrix CAT output to CAT Receiver | CAT6 | Up to 230ft / 70m |
Poor CAT cable may cause:
- No video
- Flickering
- Black screen
- Receiver not powering on
- Data signal indicator not lighting
- IR control issues
- 4K@60Hz not working
- Signal dropouts
- Unstable remote display output
Use direct CAT cable runs whenever possible.
HDMI Cable Requirement — Critical
Use Premium High Speed HDMI cables, especially for 4K@60Hz.
| Resolution | HDMI Cable Length |
| 4K60 | Up to 16ft / 5m |
| 4K30 | Up to 32ft / 10m |
| 1080p60 | Up to 50ft / 15m |
Poor HDMI cables may cause:
- No picture
- Flickering
- Black screen
- HDR issues
- Dolby Vision issues
- HDCP handshake issues
- No signal on HDMI outputs
- No signal on CAT outputs
For troubleshooting, test the HDMI source directly with the display before using the Matrix.
Power Requirement — Critical
The UHD816-EX230-K uses one DC 12V/5A power supply for the Matrix.
| Unit | Power |
| Matrix | DC 12V/5A |
| CAT Receivers | Powered by Matrix through CAT cable using 12V PoC |
| Receiver local power | Optional DC 12V input if needed |
If a Receiver does not power on, check the Matrix power supply, CAT cable, and CAT output connection.
Understanding the Matrix
The Matrix is installed near the HDMI sources and AV equipment.
It has:
- Eight HDMI inputs
- Eight HDMI outputs
- Eight mirrored CAT outputs
- Eight IR OUT ports
- IR EXT port
- TCP/IP control port
- RS-232 control port
- Front panel input and output buttons
- IR remote receiver window
- DC 12V power input
The Matrix routes any of the eight HDMI inputs to any of the eight output zones.
Understanding the CAT Receiver
Each CAT Receiver is installed near a remote display.
Each Receiver has:
- CAT IN from the Matrix
- HDMI OUT to the display
- IR IN for source remote control return
- SERVICE firmware update port
- Optional DC 12V power input
- Power indicator
- Data signal indicator
The Receiver converts the CAT signal back to HDMI for the display.
Understanding Matrix Routing
The UHD816-EX230-K can send any input to any output.
Examples:
| Routing Example | Result |
| Input 1 to all outputs | Same source shown on all displays |
| Input 1 to Output 1, Input 2 to Output 2 | Different sources shown in different zones |
| Input 3 to Output 1 and Output 8 | Same source shown on selected zones |
| Input 7 to Output 4 | Source 7 shown only on Output 4 zone |
This is useful when different rooms, screens, or display areas need different HDMI sources.
Understanding Mirrored HDMI and CAT Outputs
Each output zone has one HDMI output and one CAT output.
They mirror each other.
Example:
| Selected Routing | HDMI Output | CAT Output |
| Input 2 routed to Output 1 | HDMI OUT 1 shows Input 2 | CAT OUT 1 shows Input 2 |
| Input 6 routed to Output 5 | HDMI OUT 5 shows Input 6 | CAT OUT 5 shows Input 6 |
The HDMI and CAT outputs in the same zone cannot show different sources.
Understanding IR Matrix Function
The one-way IR matrix function allows the IR return path to follow the routed source.
This is important because the UHD816-EX230-K has multiple inputs and multiple outputs.
Example:
| Display Location | Current Routed Source | Remote Used | IR Output Path |
| Receiver 4 | HDMI IN 4 | Source 4 remote | Matrix IR OUT 4 |
| Receiver 6 | HDMI IN 6 | Source 6 remote | Matrix IR OUT 6 |
This allows users at remote display locations to control the source assigned to their display zone.
Understanding Web GUI Control
The Web GUI lets installers control the Matrix from a browser.
Main Web GUI pages include:
| Page | Function |
| Status | Shows model, firmware, and network settings |
| Video | Switch inputs to outputs and manage presets |
| Input | Rename inputs and manage EDID |
| Output | Rename outputs and turn output streams on/off |
| CEC | Control input sources and output displays through CEC |
| Network | Change IP settings and passwords |
| System | Panel lock, beep, serial baud rate, firmware update, factory reset, reboot |
Understanding Presets
The Matrix supports saved presets through the Web GUI and RS-232 commands.
Presets allow a full switching layout to be saved and recalled later.
Example:
| Preset | Example Use |
| Preset 1 | All displays show cable box |
| Preset 2 | Bar TVs show sports sources, lobby displays signage |
| Preset 3 | All displays show event feed |
| Preset 4 | Classroom mode |
| Preset 5 | Conference room mode |
| Preset 6 | Retail signage mode |
| Preset 7 | Worship service mode |
| Preset 8 | Custom installation mode |
Understanding EDID Management
EDID tells HDMI sources what video and audio format to output.
Use EDID when:
- There is no video
- Displays show the wrong resolution
- Audio does not work
- 4K@60Hz does not display correctly
- Dolby / DTS audio does not pass correctly
- Mixed display capabilities are connected
- HDR or Dolby Vision is not working correctly
The UHD816-EX230-K supports EDID presets, user-defined EDID, and copy EDID from HDMI or CAT outputs.
Understanding CEC Control
CEC allows compatible HDMI devices to receive control commands over HDMI.
Through the Web GUI or RS-232, CEC can be used for:
- Powering compatible sources on/off
- Powering compatible displays on/off
- Menu navigation
- Playback control
- Volume control
- Active source control
CEC depends on device compatibility and settings.
Understanding RS-232 Control
RS-232 control allows professional AV systems or a PC to control the Matrix.
RS-232 can control:
- Power
- Reboot
- Factory reset
- Input/output routing
- Presets
- Stream on/off
- CAT distance mode
- EDID
- CEC
- Network settings
- Panel lock
- Beep
- Baud rate
Default RS-232 settings:
| RS-232 Setting | Value |
| Baud rate | 115200 |
| Data bits | 8 |
| Stop bits | 1 |
| Check bit | 0 |
Understanding Signal Indicators
| Indicator | Status | Meaning |
| Matrix Power LED green | Matrix is working normally | |
| Matrix Power LED red | Matrix is in standby | |
| Receiver Power Indicator green | Receiver is powered | |
| Receiver Data Indicator orange | Signal is transmitting between Matrix and Receiver |
If the Receiver data indicator is off, check the CAT cable, Matrix output routing, source signal, stream setting, and Receiver connection.
Supported Video and Audio
The UHD816-EX230-K supports video formats including:
| Supported Video |
| Up to 4K@50/60Hz 4:4:4 |
| RGB 4:4:4 |
| YCbCr 4:4:4 |
| YCbCr 4:2:2 |
| YCbCr 4:2:0 |
| HDR10 |
| HDR10+ |
| Dolby Vision |
| HLG |
Supported HDMI audio formats include:
| Supported HDMI Audio |
| LPCM 2.0 / 2.1 / 5.1 / 6.1 / 7.1 |
| Dolby Digital |
| Dolby TrueHD |
| Dolby Digital Plus |
| DTS-ES |
| DTS-HD Master |
| DTS-HD HRA |
| DTS:X |
Supported Technical Specifications
| Specification | Support |
| Product Type | 18Gbps 8x8 HDMI Matrix with CAT Receivers |
| HDMI Version | HDMI 2.0b |
| HDCP Version | HDCP 2.2 / 1.x |
| Video Bandwidth | 18Gbps |
| Maximum Resolution | 4K@50/60Hz 4:4:4 |
| HDR | HDR10, HDR10+, Dolby Vision, HLG |
| HDMI Inputs | 8 |
| HDMI Outputs | 8 |
| CAT Outputs | 8 mirrored CAT outputs |
| Included CAT Receivers | 8 |
| CAT Distance | Up to 230ft / 70m over CAT6 |
| IR Matrix | One-way IR matrix function |
| Audio | HDMI audio pass-through up to 7.1CH |
| EDID Management | 21 factory EDID, 2 user EDID, 16 copy EDID modes |
| CEC | Supported |
| PoC | 12V PoC on all CAT ports |
| Control | Front panel, IR remote, RS-232, LAN, Web GUI |
| RS-232 Baud Rate | 115200 default |
| TCP/IP Protocol Port | 8000 |
| Default Web GUI IP | 192.168.0.100 |
| Power Supply | DC 12V/5A |
| Power Consumption | 50W max |
| Matrix Dimensions | 440mm x 250mm x 44.5mm |
| Receiver Dimensions | 61mm x 88mm x 18mm |
| Matrix Weight | 3.2kg |
| Receiver Weight | 155g |
| Housing | Metal enclosure |
| Color | Black |
| Operating Temperature | 0°C to 40°C / 32°F to 104°F |
| Storage Temperature | -20°C to 60°C / -4°F to 140°F |
| Relative Humidity | 20–90% RH, non-condensing |
| ESD Protection | ±8kV air-gap, ±4kV contact |
What Source Devices Is the UHD816-EX230-K Compatible With?
The UHD816-EX230-K is compatible with HDMI source devices such as:
- Blu-ray players
- DVD players
- Cable boxes
- Satellite receivers
- Streaming devices
- Media players
- Desktop PCs
- Laptops with HDMI output
- Game consoles
- DVRs
- NVRs
- TV boxes
- HDMI switch outputs
- HDMI matrix outputs
The source must output a supported HDMI resolution up to 4K@60Hz.
What Displays Is the UHD816-EX230-K Compatible With?
The UHD816-EX230-K can connect to HDMI displays such as:
- 4K TVs
- 1080p TVs
- Projectors
- Monitors
- Commercial displays
- Digital signage screens
- Classroom displays
- Conference room displays
- Church displays
- Restaurant TVs
- Bar displays
- Retail displays
- Local displays near the Matrix
- Remote displays through CAT Receivers
For 4K@60Hz, the display must support 4K@60Hz input.
Frequently Asked Questions
Q: What is the OREI UHD816-EX230-K used for?
A: The UHD816-EX230-K is used to route eight HDMI sources to eight display zones, with each output available locally through HDMI and remotely through a mirrored CAT Receiver.
Q: Is the UHD816-EX230-K a matrix or splitter?
A: It is an 8x8 HDMI matrix. It can route different sources to different outputs, unlike a simple splitter.
Q: How many HDMI inputs does it have?
A: It has eight HDMI inputs.
Q: How many HDMI outputs does it have?
A: It has eight HDMI outputs.
Q: How many CAT outputs does it have?
A: It has eight mirrored CAT outputs.
Q: How many CAT Receivers are included?
A: Eight CAT Receivers are included.
Q: What does mirrored CAT output mean?
A: Each CAT output mirrors the matching HDMI output. For example, HDMI OUT 1 and CAT OUT 1 show the same selected source.
Q: Can HDMI OUT 1 and CAT OUT 1 show different sources?
A: No. They are mirrored outputs and show the same selected input.
Q: Can different outputs show different sources?
A: Yes. Each output zone can be assigned a different HDMI input.
Q: Can one source show on all outputs?
A: Yes. Select all outputs, then select the desired input source.
Q: Does the UHD816-EX230-K support 4K@60Hz?
A: Yes. It supports video resolutions 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 HDMI version does it support?
A: It supports HDMI 2.0b.
Q: What HDCP version does it support?
A: It supports HDCP 2.2 and HDCP 1.x.
Q: What video bandwidth does it support?
A: It supports 18Gbps video bandwidth.
Q: Does it support HDR?
A: Yes. It supports HDR10, HDR10+, Dolby Vision, and HLG.
Q: How far can the CAT outputs extend HDMI?
A: The CAT outputs extend HDMI up to 230ft / 70m over CAT6 cable.
Q: What CAT cable should I use?
A: Use high-quality CAT6 cable.
Q: Can I connect the CAT outputs through a network switch?
A: No. The CAT outputs should connect directly to the included CAT Receivers.
Q: Is this AV over IP?
A: No. This is an HDMI matrix with CAT extension, not an AV-over-IP system.
Q: Does it support PoC?
A: Yes. It supports 12V PoC on all CAT ports.
Q: Do the CAT Receivers need separate power adapters?
A: Normally no. The CAT Receivers can be powered by the Matrix through the CAT cable.
Q: What power adapter is included?
A: The package includes one 12V/5A power supply.
Q: Does it support IR matrix function?
A: Yes. It supports one-way IR matrix function from the CAT Receiver side to the Matrix IR OUT ports.
Q: What does one-way IR matrix mean?
A: It means IR control signals from a remote Receiver are routed back to the Matrix IR OUT port that matches the selected source path.
Q: Does it have an IR EXT port?
A: Yes. The IR EXT port can be used when the Matrix is hidden in a rack or cabinet.
Q: Does it support EDID management?
A: Yes. It supports 21 factory EDID settings, 2 user-defined EDID modes, and 16 copy EDID modes.
Q: Can EDID be controlled through Web GUI?
A: Yes. EDID can be managed through the Web GUI Input page.
Q: Can EDID be controlled through RS-232?
A: Yes. EDID can be set using RS-232 commands.
Q: Does it support Web GUI control?
A: Yes. It supports browser-based Web GUI control through the TCP/IP port.
Q: What is the default Web GUI IP address?
A: The manual lists the default IP address as 192.168.0.100.
Q: What are the default Web GUI passwords?
A: The default User password is “user” and the default Admin password is “admin.”
Q: Does it support LAN control?
A: Yes. It supports LAN / TCP/IP control.
Q: Does it support RS-232 control?
A: Yes. It supports RS-232 command control.
Q: What is the default RS-232 baud rate?
A: The default baud rate is 115200.
Q: Does it include an IR remote?
A: Yes. An IR remote is included for Matrix control.
Q: Can I save presets?
A: Yes. Presets can be saved and recalled through the Web GUI or RS-232 commands.
Q: How many presets are supported?
A: The RS-232 command list supports presets 1 through 8.
Q: Can I lock the front panel buttons?
A: Yes. Panel lock is available through the Web GUI and RS-232 commands.
Q: Does it support CEC?
A: Yes. CEC control is supported.
Q: What should I do if there is no video on one output?
A: Check the selected input source, HDMI cable, CAT cable, Receiver power, display input, stream setting, EDID, and whether the source is active.
Q: What should I do if all outputs have no video?
A: Check Matrix power, HDMI source output, HDMI input cable, input selection, EDID setting, and whether the Matrix is in standby.
Q: What should I do if one CAT Receiver has no signal?
A: Check that Receiver’s CAT cable, HDMI cable, display input, power indicator, data signal indicator, and CAT output stream setting.
Q: What should I do if Web GUI does not open?
A: Confirm the Matrix IP address, connect the TCP/IP port to the same network as the PC, and make sure the PC is on the same network segment.
Q: What should I do if IR control does not work?
A: Check that the IR Receiver is connected to the CAT Receiver IR IN, the IR Blaster is connected to the matching Matrix IR OUT, and the IR Blaster is placed near the source device’s IR sensor.
Q: What should I do if RS-232 does not work?
A: Check the RS-232 wiring, baud rate, serial command format, and control system settings.
Q: Does the UHD816-EX230-K need external power?
A: Yes. Connect the included DC 12V/5A power supply to the Matrix. The CAT Receivers can be powered through CAT cable using PoC.
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