Safety Precautions

To ensure the best from the product, please read all instructions carefully before using the device. Save this manual for further reference. Unpack the equipment carefully and save the original box and packing material for possible future shipment. Follow basic safety precautions to reduce the risk of fire, electrical shock and injury to persons.

• Do not dismantle the housing or modify the module. It may result in electrical shock or burn.
• Using supplies or parts not meeting the products’ specifications may cause damage, deterioration or malfunction.
• To prevent fire or shock hazard, do not expose the unit to rain, moisture or install this product near water.
• Do not remove the housing of the device as opening or removing housing may expose you to dangerous voltage or other hazards.
• Spillage into the housing may result in fire, electrical shock, or equipment damage. If an object or liquid falls or spills on to the housing, unplug the module immediately.
• Do not twist or pull by force ends of the optical cable. It can cause malfunction.
• Do not use liquid or aerosol cleaners to clean this unit. Always unplug the power to the device before cleaning.
• Information on disposal for scrapped devices: do not burn or mix with general household waste, please treat them as normal electrical wastes.
• Unplug the power cord when left unused for a long period of time.
• Keep the module away from liquids.
• Install the device in a place with fine ventilation to avoid damage caused by overheat.
• Do not put any heavy items on the extension cable in case of extrusion.
• Refer all servicing to qualified service personnel.

Product Introduction

Introduction

Features

This 2×8 splitter features dual HDMI input switching and distributes up to eight HDMI outputs simultaneously, supporting video resolutions up to 8K@60Hz 4:2:0 12-bit. Each output port independently supports 8K to 4K/2K downscaling and HDR to SDR conversion. Audio de-embedding is available for digital optical output and balanced/unbalanced analogue audio, with adjustable gain. The unit offers both automatic and manual input switching, along with EDID management. Control options include front panel buttons, an IR remote, and API commands.

• HDCP 2.3 and HDCP 1.4 compliant
• 48Gbps video bandwidth
• VRR, ALLM, QMS, QFT, SBTM are full supported
• Supports HDR, HDR10, HDR10+, Dolby Vision, ALLM/VRR pass-through
• Comprehensive EDID options and HDCP 1.4/2.3 handshake management
• CEC control for display on/off and volume adjustment
• Built-in equalizer, retiming and driver
• Controlled by front panel buttons, IR remote and API commands
• Supports auto and manual input switching
• Supports 8K->4K/2K downscaling on each output for legacy display
• Supports HDR to SDR conversion on each output for legacy display
• Supports audio de-embedding to output digital optical audio and analog audio with gain adjustment.
• Video resolution up to 8K@60Hz 4:2:0 12bit, 8K@30Hz 4:4:4 12bit, 4K@120Hz 4:4:4 12bit

Package List

• 1× 48Gbps 2x8 HDMI Splitter
• 1× 12V/2.5A Multinational Locking Power Supply with US/EU/UK/AU Conversion Plug
• 1× IR Remote
• 1× IR Wideband Receiver (1.5m)
• 1× 5pin-3.5mm Phoenix Connector
• 1× 3pin-3.5mm Phoenix Connector
• 2× Mounting Ear
• 4× Machine Screw (KM3*6)
• 1× User Manual

Panel Description

Front Panel

SERVICE IR EDID1 POWER AUTO SELECT DISPLAY ON DISPLAY OFF
AUTO/3s MUTE/3s
2 1 23 4 5 6 7 8
1
0
1
0
SM CEC
OUT IN
1 2 6 7 8 9 10 11 12 1353 4

EDID List

Rear Panel

5 6 7 8 1 2 3 4 DC 12V IR CTL RS-232 HDMI IN 1 2 HDMI OUT RX TX OPTICAL AUDIO OUT 1 2 3 4 5 6 7

IR Remote

IR Pin Definition

• INPUT: Power on the product or set it to standby mode.
• 1/2: Press 1/2 button to select HDMI signal source IN 1/2.
• Cyclic Switch: Press this button to cyclically switch HDMI signal source IN 1/2.

Specification

Note: All the input/output resolutions in the following list have been fully tested in lab conditions. Other resolutions may also function without issues.

API Commands

The product also supports RS-232 command control. Connect the RS-232 port of the PT-SP-HD28-48G to the PureLink PTM-RS100 configurable RS-232 cable (or other appropriate cable) and your control device. The DIP settings are as follows:

Then open a Serial Command tool on PC to send ASCII commands to control the product. The ASCII command list of the product is shown below.

?Get the list of all commands

helpGet the list of all commands

get fw versionGet firmware version

Example Feedback:
MCU version: 1.00.03
Chip 1 PS8419 version: 13.28
Chip 2 PS8419 version: 13.28

set power on set power offSet device power on/off

Example Feedback:
Power on…
System Initializing...
Initialization Finished!
FW: 1.0.0
Power off…

get powerGet device power status

Example Feedback: Power on

set rebootReboot the device

Example Feedback:
Reboot…
System Initializing...
Initialization Finished!
FW: 1.0.0

set resetReset to factory defaults

Example Feedback: Sure to RESET to default settings? Type "Yes" after next prompt to confirm…

get statusGet system status

Note: Please refer to the note at the end of the list.

set IR on set IR offSet IR on/off

Example Feedback: Set IR on
Set IR off
on

get IRGet IR on/off status

Example Feedback: IR on

set key x on set key x offSet front panel key (x=0~6) on/off x=0: All keys x=1: Power key x=2: Select key x=3: Display on key x=4: Display off key x=5: Volume down key x=6: Volume up key

set key 0 on set key 2 off

Example Feedback: Set all key on
Set select key off
on

get key xGet front panel key (x=0~6) on/off status

get key get key 0 get key 2

Example Feedback: All key on
All key on
Select key on

set baud xSet RS-232 baud rate to x bps x=1: 4800 x=2: 9600 x=3: 19200 x=4: 38400 x=5: 57600 x=6: 115200

set baud 6

Example Feedback: Set baud rate 115200
115200

get baudGet RS-232 baud rate

Example Feedback: Baud rate 115200

set input xSet input video (x=0~2) x=0: Off | x=1~2: HDMI input 1~2

set input 1

Example Feedback: Set input HDMI 1
1

get inputGet input port

Example Feedback: Input HDMI 1

get hdmi5vGet input HDMI 5V

Example Feedback: HDMI 1: 5V
HDMI 2: none

set autoswitch xSet auto-switching on/off (HDMI 5V detection) x=On, Off

set autoswitch on

Example Feedback: Set autoswitch on
on

get autoswitchGet auto-switching status

Example Feedback: Autoswitch on

set output x downscale ySet output (x=0~8) downscaling mode (y=0~1) x=0: all outputs | x=1~8: HDMI output 1~8 y=0: Automatically according to display's capability y=1: Bypass video y=2: Force 1080p

set output 0 downscale 0

Example Feedback: Set all outputs downscale auto
0

get output x downscaleGet output (x=0~8) downscaling mode

get output 0 downscale

HDMI output 1 downscale auto
HDMI output 2 downscale auto
...
HDMI output 7 downscale auto
HDMI output 8 downscale auto

set output x display ySet output (x=0~8) display mode (y=0~3) x=0: all outputs | x=1~8: HDMI output 1~8 y=0: Off (disable TMDS output) y=1: Input video y=2: AVMUTE y=3: Internal pattern Note: When y is 1, 2, or 3, x must be 0.

set output 0 display 2

Example Feedback: Set all outputs display internal pattern
1

get output x displayGet output (x=0~8) display mode

get output 0 display

HDMI output 1 display internal pattern
HDMI output 2 display internal pattern
...
HDMI output 7 display internal pattern
HDMI output 8 display internal pattern

set output x HDCP ySet output (x=0~8) HDCP mode (y=0~3) x=0: all outputs | x=1~8: HDMI output 1~8 y=0: Reserved y=1: Follow sink y=2: Follow source y=3: Force HDCP 1.4 y=4: Force HDCP 2.2

set output 0 HDCP 1

Example Feedback: Set all outputs HDCP follow sink
1

get output x HDCPGet output (x=0~8) HDCP mode

get output 0 HDCP

HDMI output 1 HDCP follow sink
HDMI output 2 HDCP follow sink
...
HDMI output 7 HDCP follow sink
HDMI output 8 HDCP follow sink

set CEC on set CEC offSet CEC on/off

Example Feedback: Set CEC enable
Set CEC disable
Disable

get CECGet CEC on/off status

Example Feedback: CEC enable
CEC disable

set generator x ySet internal signal generator resolution (x=1~15) pattern (y=1~13) x=01: 8K30Hz x=02: 4K120Hz x=03: 4K100Hz x=04: 5K60Hz x=05: 5K50Hz x=06: 5K30Hz x=07: 5K25Hz x=08: 5K24Hz x=09: 4K60Hz x=10: 4K50Hz x=11: 4K25Hz x=12: 4K24Hz x=13: 1080P60Hz x=14: 480P60Hz x=15: 5760P50Hz y=01: Color bar y=02: Checkboard y=03: Strip y=04: Red y=05: Green y=06: Blue y=07: White y=08: Ramp y=09: Red ramp y=10: Green ramp y=11: Blue ramp y=12: PRBS y=13: Black

set generator 1 1

Example Feedback: Set generator 8K30Hz color bar

get generatorGet internal signal generator output resolution and pattern

get generator

Example Feedback: Generator 8K30Hz color bar

set analog mute xSet analog audio mute on/off x=On, Off

set analog mute on

Example Feedback: Set analog mute on
off

get analog muteGet analog audio mute status

get analog mute

Example Feedback: off

set analog gain xSet analog audio gain (x=0dB ~ -79dB)

set analog gain -79dB

Example Feedback: Set analog gain -79dB
0dB

get analog gainGet analog audio gain value

get analog gain

Example Feedback: Analog gain -79dB

set edid x to ySet input ports (x=0~2) to EDID (y=0~41) x=0: all inputs | x=1~2: HDMI input 1~2 y=00: HDMI 1080p@60Hz, Audio 2CH PCM (default) y=01: HDMI 1080p@60Hz, Audio 5.1CH DTS/DOLBY y=02: HDMI 1080p@60Hz, Audio 7.1CH DTS/DOLBY/HD y=03: HDMI 4K@60Hz 4:4:4, 8-bit, Audio 2CH PCM y=04: HDMI 4K@60Hz 4:4:4, 8-bit, Audio 5.1CH DTS/DOLBY y=05: HDMI 4K@60Hz 4:4:4, 8-bit, Audio 7.1CH DTS/DOLBY/HD y=06: HDMI 4K@120Hz 4:4:4, 8-bit, Audio 2CH PCM y=07: HDMI 4K@120Hz 4:4:4, 8-bit, Audio 5.1CH DTS/DOLBY y=08: HDMI 4K@120Hz 4:4:4, 8-bit, Audio 7.1CH DTS/DOLBY/HD y=09: HDMI 4K@120Hz 4:4:4, 10-bit HDR/DV, Audio 2CH PCM y=10: HDMI 4K@120Hz 4:4:4, 10-bit HDR/DV, Audio 5.1CH DTS/DOLBY y=11: HDMI 4K@120Hz 4:4:4, 10-bit HDR/DV, Audio 7.1CH DTS/DOLBY/HD

set edid 0 to 0

Example Feedback: Set all inputs EDID to SDF_00: HDMI 1080p@60Hz, Audio 2CH PCM (default)
0

Note: The feedback of the command of r status is as following.

Status Info PT-SP-HD28-48G Splitter

System Diagram

The following diagrams illustrate typical input and output connections that can be utilized with this device:

The terms HDMI and HDMI High-Definition Multimedia interface, and the HDMI Logo are trademarks or registered trademarks of HDMI Licensing LLC in the United States and other countries.

Usage Precaution

• Make sure all components and accessories included before installation.
• System should be installed in a clean environment with proper temperature and humidity.
• All of the power switches, plugs, sockets, and power cords should be insulated and safe.
• All devices should be connected before power on.

Firmware Upgrade

Please follow the steps as below to upgrade firmware by the Service port on the front panel:

1. Prepare the PC tool (.exe) and the latest upgrade file (.bin) on PC. Rename the upgrade file as “MCU_MAIN_PT-SP-HD28-48G_Vxx.xx.xx.bin”.
2. Connect the Service port on the splitter to the PC with USB cable.
3. Connect the power supply to the splitter and power on.
4. Click the channel on PC, check "13 Byte", and then click “Connect”.
5. Click "Open" to select the upgrade file MCU_Main_PT-SP-HD28-48G_Vxx.xx.xx.bin, then click "Upgrade".
6. When the upgrade is completed, it will pop up "Upgrade successful!". If the firmware updating is fail, the name of upgrade file (.bin) should be confirmed, and then follow the above steps to update again.
7. Remove the USB cable after firmware upgrade.

After-Sales Service

If there appear some problems when running the product, please check and deal with the problems referring to this user manual. Any transport costs are borne by the users during the warranty.

1. Product Limited Warranty: This product will be free from defects in materials and workmanship for three years (The purchase invoice shall prevail).

Proof of purchase in the form of a bill of sale or receipted invoice which is evidence that the unit is within the Warranty period must be presented to obtain warranty service.

1. Technical Support: For any questions or problems, contact your distributor or reseller and tell them the respective product name and version, the detailed failure situation as well as the formation of the cases.

1. What the warranty does not cover (servicing available for a fee):

• Warranty expiration.
• Factory applied serial number has been altered or removed from the product.
• Damage, deterioration or malfunction caused by:
• Normal wear and tear.
• Use of supplies or parts not meeting our specifications.
• No certificate or invoice as the proof of warranty.
• The product model showed on the warranty card does not match with the model of the product for repairing or had been altered.
• Damage caused by force majeure.
• Servicing not authorized by distributor.
• Any other causes which does not relate to a product defect.
• Delivery, installation or labor charges for installation or setup of the product.

Asking for Assistance

Technical Support

• Phone: +49 5971 800299 - 0
• Fax: +49 5971 800299 – 99

Technical Support Hours

• 8:30 AM to 5:00 PM Monday thru Thursday
• 8:30 AM to 4:00 PM Friday

Write to

• PureLink GmbH
• Von-Liebig-Straße 10
• D - 48432 Rheine
• www.purelink.de
• info@purelink.de

Legal & Compliance

Product identification

Model: PT-SP-HD28-48G – manual version 1.0

Trademarks and disclaimer

Product model and logo are trademarks. All other company and product names mentioned are trademarks of their respective owners. All rights reserved. No part of this publication may be copied or reproduced without prior written permission. We reserve the right to make changes to the device, packaging or manual and accept no liability for misprints.

EU conformity

PureLink hereby declares that this product PureTools PT-SP-HD28-48G complies with Directives 1907/2006/EU and 2011/65/EU. PureLink GmbH hereby declares that this product PureTools PT-SP-HD28-48G complies with Directives 2014/30/EU and 2014/35/EU.

The full text of the EU Declaration of Conformity is available at: www.purelink.de

FCC

Statement This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. It has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a commercial installation.

Disposal of electrical and electronic equipment

WEEE reg. no.: DE 93847290

The crossed-out wheelie bin symbol on the product, packaging or in this manual means that electrical and electronic equipment must not be disposed of with household waste at the end of its life. Hand in old devices free of charge at a public collection point or return them to a distributor obliged to take them back. Remove batteries and lamps that can be removed without destroying the device before handing it in, and delete any personal data stored on the device. Details are regulated by national law. By returning old devices you help protect the environment.

Batteries

Batteries must not be disposed of with household waste. Return used batteries free of charge to collection points or retailers.

Packaging

Dispose of packaging separately by material (paper/cardboard, plastics) via the local collection systems. Keep packaging material away from children – risk of suffocation. Packaging register LUCID: DE5958616449295.