HD-TX and HD-RX Series
HDMI® Fiber-Optic Transmitters and Receivers
Introduction
1
The HD-TX and HD-RX Series consist of the following models:
• HD-TX1-F transmitter and HD-RX1-F receiver
• HD-TX3-F transmitter and HD-RX3-F receiver
Mounting
2
Mount the transmitter and receiver onto a wall or rack as
appropriate for your installation.
Wall Mounting
quickstart guide
Using four mounting screws (not supplied), attach the
transmitter or receiver to the wall as shown below.
(4) Mounting screws
(not supplied)
Rack Mounting
Mount the transmitter or receiver to the front or rear rail of a
rack as follows:
1. Position either the left or right mounting flanges of the
device so that the holes align with the holes in the rack
(mounting of right flanges is shown below).
2. Secure the device to the rack using two rack mounting
screws (not supplied).
Rack mounting
screws
(not supplied)
HD-TX1-F and HD-RX-1 Connections
3
HD-TX1-F Front Panel Connections
Connecting the HDMI IN Port: Using an HDMI cable (not
supplied), connect the HDMI IN port to the HDMI output port of
the audio/video source.
Connecting the Control Ports: Connect the IR IN or COM
control port or both as follows:
• IR IN: Using an IR cable (not supplied), connect the 2-pin
terminal block of the IR IN port to the IR output port of the
control system.
• COM (RS-232): Using a data communications cable (not
supplied), connect the 3-pin terminal block to the COM port
of the control system.
HD-RX1-F Front Panel Connections
Connecting the HDMI OUT Port: Using an HDMI cable (not
supplied), connect the HDMI OUT port to the HDMI input port of
the receiving device.
Connecting the Control Ports: Connect the IR OUT or COM
control port or both as follows:
• IR OUT: Using the Crestron
connect the 2-pin terminal block of the IR OUT port to the
IR input port of the device to be controlled.
®
IRP2 emitter (not supplied),
• COM (RS-232): Using a data communications cable (not
supplied), connect the 3-pin terminal block to the COM port
of the device to be controlled.
HD-TX1-F and HD-RX1-F Rear Panel Connections
Connecting the Ground: Connect the chassis ground lug to
earth ground (building steel).
Connecting the MM OPTICAL Fiber Port: Using a CresFiber
or other quality 50/125 μm or 62.5/125 μm simplex multimode
fiber-optic cable with SC connectors, connect one end of the
cable to the MM OPTICAL connector on the HD-TX1-F and the
other end of the cable to the MM OPTICAL connector on the
HD-RX1-F.
NOTE: For maximum distance, the fiber-optic
cable should be rated for at least 500 MHz*km
effective modal bandwidth (EMB) at both 850 nm
and 1300 nm. Refer to the cable manufacturer’s
datasheet for EMB information.
Connecting the 12 Vdc Power Jack:
Connect the 12 Vdc power jack to the
PW-1205RU external power supply included
with the HD-TX1-F and HD-RX1-F.
HD-TX1-F Front Panel Connections
IR IN
S G
HDMI IN
AV
source
Control
system
COM
GND
TX
RX
HD-RX1-F Front Panel Connections
IR OUT
S G
®
HDMI OUT
Display
COM
GND
TX
RX
HD-TX1-F Rear Panel Connections HD-RX1-F Rear Panel Connections
MM OPTICAL
Ground Ground
USB port
(for factory
use only)
CLASS 1
LASER
PRODUCT
12VDC
0.5A
Power
supply
USB port
(for factory
use only)
MM OPTICAL
CLASS 1
LASER
PRODUCT
12VDC
0.5A
Power
supply
HD-TX and HD-RX Series
1
For Regulatory Compliance information, refer to
the latest version of Doc. 6860.
QUICKSTART DOC. 6861D (2025032) 08.16
www.crestron.com
Specifications subject to
change without notice.
Fiber-optic cable
888.273.7876 201.767.3400
HD-TX and HD-RX Series
Computer
HDMI Fiber-Optic Transmitters and Receivers
HD-TX3-F and HD-RX3-F Connections
4
HD-TX3-F Front Panel Connections
Connecting the AUDIO Input Port: Using an unbalanced
3.5 mm TRS mini phone jack cable (not supplied), connect the
AUDIO input port to an unbalanced audio source.
Connecting the USB HID Port: Using a USB cable (not
supplied), connect the USB HID port to a computer.
Connecting the HDMI IN Port: Using an HDMI cable (not
supplied), connect the HDMI IN port to the HDMI output port of
the audio/video source.
Connecting the LAN Port: Using an Ethernet cable (not
quickstart guide
supplied), connect the 10BASE-T/100BASE-TX LAN port to the
LAN. Pin designations are listed below.
LAN Port Pin Designations
PIN SIGNAL PIN SIGNAL
1 TX+ 5 N/C
2 TX– 6 RX–
3 RX+ 7 N/C
4 N/C 8 N/C
HD-TX3-F Front Panel Connections
USB HID
AUDIO
HDMI IN
LAN
LAN
HD-RX3-F Front Panel Connections
Connecting the AUDIO Output Port: Using an unbalanced
3.5 mm TRS mini phone jack cable (not supplied), connect the
AUDIO output port to an unbalanced audio output device.
NOTE: When the HDMI IN (HD-TX3-F) or HDMI OUT
(HD-RX3-F) port is connected or disconnected or if the HDMI
input resolution changes, the analog audio output is muted for a
few seconds.
Connecting the USB HID Port: Using a USB cable (not
supplied), connect the USB HID port to a mouse or keyboard.
(A keyboard with a built-in touchpad or trackball is supported.
Built-in and external USB hubs are not supported.)
Connecting the HDMI OUT Port: Using an HDMI cable (not
supplied), connect the HDMI OUT port to the HDMI input port of
the receiving device.
Connecting the LAN Port: Using an Ethernet cable (not
supplied), connect the 10BASE-T/100BASE-TX LAN port to the
LAN. (LAN port pin designations are listed in the table in the
left-hand column.)
HD-RX3-F Front Panel Connections
USB HID
AUDIO
Powered
speakers
Pin 1Pin 8
Mouse or
keyboard
HDMI OUT
Display
LAN
LAN
LAN
Pin 1Pin 8
Connecting the MM OPTICAL Fiber Port: Using a CresFiber or other
quality 50/125 μm or 62.5/125 μm simplex multimode fiber-optic cable with
SC connectors, connect one end of the cable to the MM OPTICAL
connector on the HD-TX3-F and the other end of the cable to the MM
OPTICAL connector on the HD-RX3-F.
NOTE: For maximum distance, the fiber-optic cable should be rated for at
least 500 MHz*km effective modal bandwidth (EMB) at both 850 nm and
1300 nm. Refer to the cable manufacturer’s datasheet for EMB information.
Connecting the Ground: Connect the chassis ground lug to earth ground
(building steel).
Connecting the 12 Vdc Power Jack: Connect the 12 Vdc power jack to
the PW-1215WU external power supply included with the HD-TX3-F and
HD-RX3-F.
HD-TX3-F Rear
Panel Connections
COM
MM OPTICAL 12VDC
IR IN
S G
TX
GND
RX
CLASS 1
LASER
PRODUCT
Control
system
USB port
(for factory
use only)
1.5A
Power
supply
Ground
Fiber-optic cable
HD-RX3-F Rear
Panel Connections
COM
MM OPTICAL
IR OUT
S G
TX
GND
RX
Display
CLASS 1
LASER
PRODUCT
USB port
(for factory
use only)
Ground
12VDC
1.5A
Power
supply
HD-TX and HD-RX Series
2
Audio
source
AV
source
LAN
For Regulatory Compliance information, refer to
the latest version of Doc. 6860.
QUICKSTART DOC. 6861D (2025032) 08.16
HD-TX3-F and HD-RX3-F Rear Panel Connections
Connecting the Control Ports: Connect the IR or COM
control port or both as follows:
• IR IN (HD-TX3-F): Using an IR cable (not supplied),
connect the 2-pin terminal block of the IR IN port to the IR
output port of the control system.
• IR OUT (HD-RX3-F): Using the Crestron IRP2 emitter (not
supplied), connect the 2-pin terminal block of the IR OUT
port to the IR input port of the device to be controlled
• COM (RS-232): Using a data communications cable (not
supplied), connect the 3-pin terminal block as follows:
- For the HD-TX3-F, connect the COM port to the COM
port of the control system.
- For the HD-RX3-F, connect the COM port to the COM
port of the device to be controlled.
www.crestron.com
Specifications subject to
change without notice.
888.273.7876 201.767.3400
The specific patents that cover Crestron products are listed at
patents.crestron.com.
Certain Crestron products contain open source software. For specific information,
please visit www.crestron.com/opensource.
Crestron, the Crestron logo, and CresFiber are either trademarks or registered
trademarks of Crestron Electronics, Inc. in the United States and/or other
countries. HDMI is either a trademark or registered trademark of HDMI Licensing
LLC in the United States and/or other countries. Other trademarks, registered
trademarks, and trade names may be used in this document to refer to either the
entities claiming the marks and names or their products. Crestron disclaims any
proprietary interest in the marks and names of others. Crestron is not responsible
for errors in typography or photography.
This document was written by the Technical Publications department at Crestron.
©2016 Crestron Electronics, Inc.
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