4K 60Hz HDMI OPTICAL EXTENDER

[Important Safety Instructions]

1. Do not expose this device to rain or place it near water. Any liquid that goes into the device may cause a failure, fire, or electric shock.
2. Never insert anything metallic into the open parts of this device. This may cause a danger of electric shock.
3. Do not place this device near or over a radiator or heat register, or where it is exposed to direct sunlight.
4. The device should be repaired only by a qualified technician.
5. If a third-party power supply is used, please ensure that the power supply specifications meet the product requirements.

[Introduction]

This product is a 4K@60Hz HDMI optical extender kit consisting of a transmitter and a receiver, using ipcolor STREAM technology for high-definition, low-latency transmission. The 4K@60Hz HDMI signal can be extended up to 40km by LC single-mode fiber cable, supporting one-to-one connection, or gigabit switch cascading. It also supports HDMI loop out, IR passback, and RS-232 pass-through functions, and can be widely used in meetings, home entertainment, educational presentations, and other fields.

[Features]

• Adopting ipcolor STREAM technology enables high-definition and low-latency transmission.
• Supports up to 3840 x 2160@60Hz resolution, backward compatible.
• Supports optical fiber transmission, with a maximum transmission distance of 40 kilometers.
• Supports one-to-one or gigabit switch cascading.
• Supports RS-232 pass-through.
• The transmitter supports HDMI loop out.
• Supports IR passback (20~60kHz).
• Firmware can be upgraded through Micro USB.
• The transmitter has a 3.5mm audio input for sound embedding; the receiver has an independent 3.5mm audio output.
• Lightning protection, surge protection, ESD protection.
• Working 24/7.

[Package Contents]

• Transmitter x1
• Receiver x1
• DC5V/2A Power adapter x 2
• User manual x1
• IR receiver extension cable x1
• IR blaster extension cable x1
• Mounting ear x4
• Screw x10
• Grounding Screw x2
• Terminal block (RS-232) x2
• SFP optical module (T1310nm/R1550nm) x1
• SFP optical module (T1550nm/R1310nm) x1

[Installation Requirements]

[Wall Mounting]

[Note] Choose the wall mounting position and attach the mounting ears to the unit according to the diagram.

[Diagram Description] A diagram illustrating the attachment of mounting ears to the device for wall mounting.

[Panel Description]

1. Transmitter

• Power: Connect with DC5V/2A power adapter.
• IR output: Connect with IR blaster extension cable.
• HDMI input: Connect with HDMI source device.
• HDMI output: Connect with local HDMI display device.
• SFP signal out: Insert the SFP optical module (T1310nm/R1550nm).
• L/R IN: Connect to the audio source device with a 3.5mm stereo audio cable.
• RS-232 (GND/RXD/TXD): Used for RS-232 passthrough.
• Micro USB interface: Used for firmware upgrade.

Indicators:

• Power indicator (blue): The indicator will turn on when the power is turned on.
• Status indicator (orange):
  • Light off: The transmitter and the receiver have not established a connection.
  • Slow flash: The transmitter and the receiver are connected but no video data transmission (gigabit Ethernet).
  • Quick flash: The transmitter and the receiver are connected but no video data transmission (100M Ethernet).
  • Steady on: The video data is transmitting.

Buttons:

• Reset: Press to restart the device.

2. Receiver

• Power: Connect with DC5V/2A power adapter.
• IR input: Connect with IR receiver extension cable.
• L/R OUT: Connect to the audio device with a 3.5mm stereo audio cable.
• HDMI output: Connect with HDMI display device.
• SFP signal input: Insert the SFP optical module (T1550nm/R1310nm).
• RS-232 (GND/RXD/TXD): Used for RS-232 passthrough.
• Micro USB interface: Used for firmware upgrade.

Indicators:

• Power indicator (blue): The indicator will turn on when the power is turned on.
• Status indicator (orange):
  • Light off: The transmitter and the receiver have not established a connection.
  • Slow flash: The transmitter and the receiver are connected but no video data transmission (gigabit Ethernet).
  • Quick flash: The transmitter and the receiver are connected but no video data transmission (100M Ethernet).
  • Steady on: The video data is transmitting.

Buttons:

• Reset: Press to restart the device.

[Installation Procedures]

1. Connection Diagrams

1.1 One-to-one connection

[Diagram Description] A diagram showing a Video Source connected via HDMI IN to a Transmitter (TX). The TX's SFP signal out connects via Optical Fiber to the Receiver's (RX) SFP signal input. The RX's HDMI output connects to an HDMI Display. A Speaker is shown connected to the RX's L/R OUT port.

1.2 One-to-one connection (gigabit switches cascading)

[Diagram Description] A diagram showing a Video Source connected via HDMI IN to a Transmitter (TX). The TX's SFP signal out connects via Optical Fiber to a Gigabit Fiber Switch. The switch then connects via Optical Fiber to a Receiver's (RX) SFP signal input. The RX's HDMI output connects to an HDMI Display. Multiple switches can be cascaded.

[Note] It is suggested to use gigabit (1000 Mbps) switches in LAN transmission, and 100Mbps switches should not be mixed with gigabit switches when cascading.

2. Connection Instructions

1. Connect the source device to the HDMI IN port of the transmitter with an HDMI cable, and connect the HDMI OUT port of the receiver to the display device with another HDMI cable.
2. If it's a one-to-one connection, use an LC fiber optic cable to connect the SFP port of the transmitter and receiver. If it is a one-to-one connection with gigabit switches cascading, use the gigabit switch as a bridge to connect the transmitter and the receivers with LC fiber optic cables respectively.
3. If using HDMI loop out, connect the display device to the HDMI OUT port of the transmitter.
4. If you need another audio source instead of the HDMI audio source, connect the audio source to the L/R IN port of the transmitter with a 3.5mm stereo audio cable.
5. If you need to output additional audio sources from the receiver or extend only L/R stereo audio, connect the receiver's L/R OUT port to the audio device using a 3.5mm stereo audio cable.
6. Plug the power supply into the devices to get started.

Audio Output Scenarios:

• a. When the HDMI IN port of the transmitter is connected and the L/R IN port is not connected, the HDMI audio source outputs from the HDMI OUT and L/R OUT ports of the receiver simultaneously.
• b. When both the HDMI IN and L/R IN ports of the transmitter are connected, the L/R stereo audio source outputs from the HDMI OUT and L/R OUT ports of the receiver simultaneously.
• c. When the L/R IN port of the transmitter is connected and the HDMI IN is not connected, it functions as an audio extender; the L/R stereo audio source only outputs from the L/R OUT port of the receiver.

3. IR User Guide

[Diagram Description] A diagram showing an IR blaster extension cable connected to the IR OUT port of the transmitter, and an IR receiver extension cable connected to the IR IN port of the receiver. It illustrates the emitter placement near the source device's IR window and the remote control pointing at the IR receiver's head.

• 1. IR blaster extension cable should plug into the IR OUT port of the transmitter, and the IR receiver extension cable should plug into the IR IN port of the receiver.
• 2. The emitter of the IR blaster extension cable should be as close as possible to the IR receiving window of the source device.
• 3. Point the remote control at the receiving head of the IR receiver extension cable to operate.

4. RS-232 Pass-through Function

4.1 Baud Rate

Supported baud rates: 2400, 4800, 9600, 19200, 38400, 57600, 115200. Different encoding mechanisms cannot be mixed.

4.2 Line Order

[Diagram Description] A diagram illustrating the RS-232 serial line connections: GND line, RxD line, TxD line. Ensure the RS-232 serial line is firmly connected and data lines are correctly matched. If the RS-232 serial does not work, try swapping the TXD and RXD lines.

4.3 Check Baud Rate

To check the baud rate, set the serial port test tool's baud rate to the default value of 115200, connect it to the product, and power on the product. The printed baud rate (e.g., "Baudrate:9600") indicates the current setting.

4.4 Set Baud Rate

Example: If the product's baud rate is 9600 and the test tool is set to 115200, change the test tool's baud rate to 9600 to match the product. Then, send the command "Bset:19200". If "Succeed" is displayed, the baud rate has been successfully set to 19200.

[Troubleshooting]

Q: Why is the status indicator off?

[Answer] Please check whether all equipment is powered on and the LC fiber optic cable is connected properly.

Q: Why is the status indicator flashing?

[Answer] 1) Please check whether there is an HDMI signal input for the TX. 2) Try connecting the signal source directly to the display device, or try changing the signal source and HDMI cable to test again.

Q: Why is the output image unstable?

[Answer] 1) Check whether the length of the LC fiber optic cable is within the specified range. 2) The length of the HDMI cable is recommended to be < 5 meters. 3) Press the "reset" button on the TX and RX panels to restart and reconnect.

[Technical Parameters]