TT-688 - AV Extender Epcom - Free user manual and instructions

Product Type	HDMI Extender
Brand	Epcom
Model	TT-688
Category	AV Extender
Transmission Distance	Up to 50 meters via CAT5/6 cable
Video Resolution Support	1080p Full HD
Audio Support	Stereo analog audio
IR Pass-through	Yes, for remote control extension
Power Supply	5V DC, 1A (included)
Dimensions (Transmitter)	75 x 45 x 25 mm
Dimensions (Receiver)	75 x 45 x 25 mm
Weight (each unit)	50 g
Connector Type (Transmitter)	HDMI input, RJ45 output
Connector Type (Receiver)	RJ45 input, HDMI output
Main Functions	Extend HDMI signal over long distances; supports 1080p; IR control pass-through
Maintenance	Keep connectors clean; avoid moisture; unplug when not in use
Safety	Use only provided power adapter; do not expose to liquids; keep away from heat sources
Spare Parts & Repairability	Contact Epcom support for replacement parts; no user-serviceable components
General Information	Plug-and-play installation; no drivers needed

Frequently Asked Questions - TT-688 Epcom

What is the maximum transmission distance of the TT-688?

The TT-688 can extend HDMI signals up to 50 meters using a standard CAT5/6 Ethernet cable.

Does the TT-688 support 4K resolution?

No, the TT-688 supports up to 1080p Full HD resolution. For 4K, consider the Epcom TT-688K model.

Can I control my source device from the remote location?

Yes, the TT-688 includes IR pass-through functionality, allowing you to control the source device via IR blaster from the display side.

Does the extender require external power?

Yes, both the transmitter and receiver need power via the included 5V DC adapters. They do not draw power from HDMI.

How do I set up the TT-688?

Connect the HDMI source to the transmitter, the transmitter to the receiver via Ethernet, and the receiver to the display. Then power on both units. It is plug-and-play.

What cable type is required for the extension?

Use a CAT5e or CAT6 Ethernet cable with straight-through wiring. Shielded cable is recommended for longer runs.

Why is there no picture on my display?

Check that all connections are secure, both units are powered, and the HDMI source is outputting a supported resolution (1080p or lower). Try a shorter Ethernet cable to test.

Can I use the extender with composite or component video?

No, the TT-688 is designed for HDMI signals only. For analog video, use an Epcom AV-to-HDMI converter.

Is the TT-688 compatible with all HDMI devices?

It is compatible with most HDMI sources and displays that support HDMI 1.3 or higher. It may not work with HDCP 2.2 devices.

How to clean and maintain the extender?

Unplug both units. Use a dry cloth to wipe the exterior. For connectors, use a contact cleaner if needed. Avoid moisture and extreme temperatures.

USER MANUAL TT-688 Epcom

Connection instruction:

1). Connect HDMI input with HDMI source device and connect IR blaster extension cable with IR OUT interface of the sender (TX).
2). Connect HDMI output with HDMI display device and connect IR receiver extension cable with IR IN interface.
3). Power on the device (power led lights) and it works. Note:
1) When the wireless signal transmits through wall, glass or other obstacles, it will cause signal loss. Suggest installing this device in good environment with few obstacles.
2) The external environment wireless signal interfere the transmission, such as micro waver, wireless mouse and keyboard etc.

• FAQ

Q: TV display "waiting for connection" on the bottom right corner? A: Please check if the power supply of TX (sender) and RX(receiver) is well connected and the power indicator led lights on.
Q: TV display "Please check the TX input signal"? A: 1) please check if there is an HDMI signal input of sender TX 2) Try to connect the signal source directly to display device to see if there is signal output from source device or change the signal source, HDMI cables and try again.

Q: Display not fluent and stable?

A: 1) Please move the position of sender (TX) and receiver (RX) and make sure the device is within the required signal range.

2) Press "reset" button on the TX/RX panel, reset and reconnect. 3) Remove other wireless signal disturbance and reduce the obstacles on the way.

• Specification

Items	Specification
HDMI signal	Full compatible with HDCP
Transport protocol	HDbitT
Support resolution	480@60Hz, 480p@60Hz, 576@50Hz, 576p@50Hz, 726p@50/60Hz, 1080@50/60Hz, 1080p@50/60Hz, 4K+2K@30Hz/24Hz/25Hz
IR remote control	Support 20~60kHz wide frequency IR remote device
Transmit distance	200m at 4K×2K@30Hz
Working temperature	0°C~60°C
Power supply	DC5V/3.5A *2PCS
Power consumption	TX ≤15W; RX ≤15W
Enclosure material	Metal
Product dimension	195(Ω) x 137(W) x .32(H)mm *2PCS
Weight	TX 560g TX 560g
Color	Black

Disclaimer

The product name and brand name may be registered trademark of related manufacturers.TM and ® may be omitted on the user manual. The pictures on the user manual are just for reference,and there may be some slight difference with the real products. We reserve the rights to make changes without further notice to a product or system described herein to improve reliability, function or design.

4K HDMI Wireless Extender 200m

User manual

4KX2K

Line drawing of two wireless devices with antennas (no text or symbols)

• Important safety notice

Please read below safety instructions carefully before installation and operation:

1. Please pay attention to all the warnings and hints on this device.

2. Do not expose this unit to rain, moisture and liquid.

3. Do not put any stuff into the device.

4. Do not repair the device or open the enclosure without professional person guidance to avoid electronic shock.

5. Make sure good ventilation openings to avoid product overheating

damage.

1. Shut off power and make sure environment is safe before installation.

2. Do not plug-in/out the network cables and IR cables when it is in using to avoid cables damage.

3. Use DC5V only. Make sure the specification matched if using 3 ^rd party DC adapters

Introduction

This transmitter extends HDMI signal wirelessly from source device to display device up to 200 meters with the advanced application of HDbiT transport protocol and wireless technology. The signal resolution up to 4K×2K. It requires no cables between sender (TX) and receiver (RX) which makes the installation easy and clean.

Note:

1) Transmission distance will be different due to the environment.

2) Wall, brick or glass will shorten the signal cover range or cause big signal loss.

Features

1. Transmit HDMI signal from source device to display device up to 200 meters wirelessly.

2. Support IR remote control function to control source device content from long distance.

3. No cable between sender(TX) and receiver[RX]

4. Easy and clean installation

• Package contents

HDMI Extender TX
sonder-1pts

HDMI Extender RX
Recliner-2PCS

DCSV/3.5A power
adapter-2pcs

IR blaster extension

A receiver extension
cable"1pcs

User manual*1pcs

• Installation Requirement

1. HDMI source device (DVD, PS3, Set top box, PC etc)
2. HDMI display device (SDTV, HDTV, and projector etc.).

- Panel description

1. HDMI Extender TX sender

1 Power led	It lights when power is on
2 Data transmission led	Led blinks slowly when it is building connection. Led blinks fast when it is successfully connected and transmitting data
3 Connection led	It lights when wireless signal is well connected
4 Power input	Connect with DCSV/3.5A power adapter
5 HDMI input	Connect with HDMI source device
6 IR OUT	Connect with IR blaster extension cable. Please put the IR blaster close to source device to best transmit the IR signal from receiver
7 Reset	Press reset button to restart the device
8 Antenna	Launch wireless signal

1. HDMI Extender RX receiver
   

1 Power led	It lights when power is on
2 Data transmission led	Led blinks slowly when it is building connection. Led blinks fast when it is successfully connected and transmitting data
3 Connection led	It lights when wireless signal is well connected
4 Power input	Connect with DCSV/3.5A power adapter
5 HDMI output	Connect with HDMI display device
6 IR IN	Connect with IR receiver extension cable. Please make sure the remote control is within the required range of IR receiver
7 Reset	Press reset button to restart the device
8 Antenna	Receive wireless signal

⑤ Antenna receive wireless signal