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2 pole, 1 ring: IR transmitter

3 pole, 2 rings: IR receiver

IP address (fix)

192.168.0.100

Subnet mask

255.255.255.0

Static gateway

192.168.0.1

DHCP

disabled

TCP/IP port nr. LW2 / LW3

10001 / 6107

Crosspoint setting (Audio / Video)

DisplayPort input

Autoselect

Disabled

Output TPS mode

Auto

Emulated EDID

Dynamic

RS-232 mode

Pass-through

RS-232 control protocol

LW2

RS-232 port setting

57600 BAUD, 8, N, 1

Command injection port (local / link)

8001 / 8002

GPIO output level

High

GPIO direction

Input

Restore Factory Default Settings

1.  Keep the 

Show me button

 pressed for 10 seconds; after 5 seconds front panel LEDs 

start to blink but keep the buttons pressed; the LEDs start to blink faster 5 seconds later.

2.  Release the button

, then press it 3 times quickly; factory default settings are restored:

Video/Audio input selection

Desired video/audio input can be selected by the 

Video/Audio select 

buttons on the front 

panel. The input can be also selected by using LDC (Lightware Device Controller), sending a 

protocol command, or using Autoselect. The selection order of the Video inputs is the following:

Front panel button functions

 

ƒ

Video input switching: Press the 

Video select

.

 

ƒ

Audio input switching: Press the 

Audio select

.

 

ƒ

Lock/unlock buttons: Press the 

Audio select

 and the 

Show me

 together.

Setting a Dynamic IP Address

1.  Keep the 

Show me

 button pressed for 5 seconds; all front panel LEDs start to blink.

2.  Release the button, then press it 3 times quickly. DHCP is now enabled.

Software Control – Using Lightware Device Controller (LDC)

The  device  can  be  controlled  from  a  computer  through  the  Ethernet  port 

using  Lightware  Device  Controller.  Please  download  the  application  from 

www.lightware.com

, install on a Windows PC or a macOS and connect to the 

device via the Ethernet port. LDC software contains many useful built-in tools 

which can be used for signal analysis like the followings:

Frame Detector

Lightware’s Frame Detector function works like an input signal analyzer and makes possible 

to determine the exact video format that is sent by the source, thus helps to identify many 

problems (e.g. timing parameter difference).

Test Pattern Generator

The output ports can send a special image towards the sink devices for testing purposes. 

The settings of the test pattern are available via LDC, see the available patterns below:

TPS Cable Diagnostics

The estimated cable length and the quality of the link are 

measured periodically and the diagnostic window shows 

the values in real-time. If the green bars hit the first line 

in the middle they turn into red. It means the number of 

the  errors  –  during  the  extension  –  is  higher  than  the 

recommended one. The link might be alive but recovering 

of the received data is not guaranteed.

Types of IR connectors (1/8” TRS / TS)

Maximum Extension Distances

* Long reach TPS mode supports pixel clock frequencies up to 148.5 MHz.
Above values are valid when the transmitter is powered by a local adaptor; distances may 

decrease depending on the powering mode (local or remote) and cable quality. To specify 

the accurate extension distances, please also check the documentation of the connected 

HDBaseT-compatible device.

 CAT7 SFTP AWG23 cable is always recommended.

Resolution

Pixel 

clock rate

Cable lengths 

(Auto / Long reach TPS mode)

CAT5e 

AWG24

CAT7 

AWG26

CAT7 

AWG23

1024x768@60Hz

65 MHz

100 m / 130 m* 90 m / 120 m* 120 m / 170 m*

1280x720p@60Hz

73.8 MHz 100 m / 130 m* 90 m / 120 m* 120 m / 170 m*

1920x1080p@60Hz (24bpp)

148.5 MHz 100 m / 130 m* 90 m / 120 m* 120 m / 170 m*

1920x1200@60Hz

152.9 MHz

100 m / NA

90 m / NA

120 m / NA

1600x1200@60Hz

162 MHz

100 m / NA

90 m / NA

120 m / NA

1920x1080@60Hz (36bpp)

223 MHz

70 m / NA

70 m / NA

100 m / NA

3840x2160@30Hz UHD **

297 MHz

70 m / NA

70 m / NA

100 m / NA

4096x2160@30Hz 4K **

297 MHz

70 m / NA

70 m / NA

100 m / NA

Wiring Guide for RS-232 Data Transmission

SW4-TPS-TX240 transmitter is built with 3-pole Phoenix connector. See the below examples 

of  connecting  to  a  DCE  (Data  Circuit-terminating  Equipment)  or  a  DTE  (Data  Terminal 

Equipment) type device:

For more information about the cable wiring see the user’s manual of the device or the 

Cable 

Wiring Guide

 on our website 

www.lightware.com/support/guides-and-white-papers

.

Audio Cable Wiring Guide

SW4-TPS-TX240 transmitter is built with 5-pole Phoenix input connector. See below a few 

example of the most common assembling cases.

GPIO - General Purpose Input/Output Ports

SW4-TPS-TX240 transmitter has seven GPIO pins which operate at TTL digital signal levels 

and can be set to high or low level (Push-Pull). The direction of the pins can be input or output 

(adjustable). The signal levels are the following:

Input voltage (V) Output voltage (V) Max. current (mA)

Logical low level

0 - 0.8

0 - 0.5

30

Logical high level

2 -5

4.5 - 5

18

GPIO connector and plug pin assignment

Pin nr.

Signal

1

Configurable

2

3

4
5

6

7

Ground

 

The total available current of the controller is 180 mA.

Typical Application

Port Diagram

For more information about audio cable wiring see the user’s manual of the device or the 

Wiring Guide 

on our website 

www.lightware.com

.

DP

HDMI2

DVI-D

Autoselect

HDMI3

1

2

3

4

5

6

7

8

HDMI 1 in

DP in

HDMI 2 in

DVI-D in

Analog

audio in

Digital audio/video

Digital audio/video

Analog audio

Digital audio

A/D converter

4:1 digital 

A/V switch

Digital

audio

Digital

video

HDMI out

Embedder

2:1 digital 

audio switch

Digital

audio

TPS out

HDMI splitter

Digital audio/video

Digital audio/video

De-embedder

Digital audio

 and

video

Lightware device and a DCE

D-SUB 9 – Phoenix

Lightware device and a DTE

D-SUB 9 – Phoenix

TX RX

1

6

9

5

2: TX data transmit

3: RX data receive

5: Ground

TX RX

1

6

9

5

2: TX data receive

3: RX data transmit

5: Ground

PC

Media player

SW4-TPS-TX240

HDMI

Local monitor

DVI

IR 

IR

RS-232

HDMI

TPS connection

CATx up to 170m

HDMI-

TPS-RX97

IR detector

HD Projector

PIN: 2.1mm

RS-232

TX 

RX

IR IN  IR OUT

LIVE

RS-

232

SRVC

LINK

12V 1A

 DC

TPS OUT (P

oE)

GPIO

1  2

  3 

 4  

5  6

  7

 HDMI OUT

RS-232

Touch

panel

HDMI

12V

DC power

adaptor

12V DC power

adaptor

Button

panel

Ethernet

switch

LAN

LAN

Internet

Access point

LAN

DP

Mac mini

audio

Sn:

 

Made in EU, Hungary

RoHS

Ethernet 10/100

Bidirectional IR

Bidirectional RS-232

HDMI, 

3D, 4K supported

H HDDMM

I I--TTPPS

S--RRXX

9 977

Sn:

 

T TPPSS

   LLoo

n ngg  DD

i issttaa

n nccee  RR

e ecceeiivv

e err

PIN: 2mm

12V 1A

 DC

For best performance use 

AWG23 

CAT6 or CA

T7 SFTP

 cable

Device can be remote powered over TPS link with PoE 

(IEEE 802.3af)  

TP

S IN 

PoE

(       )

Remote

control

From balanced output to balanced input

2x6.3 (1/4”) TRS - Phoenix

From balanced output to balanced input

2xXLR - Phoenix

2

3

2

3

AUDIO Input

From unbalanced output to balanced input

3.5 (1/8”) TRS - Phoenix

From unbalanced output to balanced input

2xRCA - Phoenix

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