Our compact and rugged industrial fiber media converters are designed for reliable performance in harsh environments. We offer a wide range of high quality products for use across multiple industries.
Contact Closure

Contact Closure
The Contact Closure Fiber Link System transmits 1 contact closure signal over a single fiber.

Bi-Directional Contact Closure
The Bi-Directional Contact Closure System provides two-way transmission of a contact closure signal over fiber.

4 Channel Contact Closure
The 4 Channel Contact Closure Fiber Link System transmits 4 contact closure signals over a single fiber.

8 Channel Contact Closure
The 8 Channel Contact Closure Fiber Link System transmits 8 contact closure signals over a single fiber.

4 Channel Contact Closure SFP
The 4 Channel Contact Closure SFP Fiber Link System transmits 4 signals (Wet or Dry) over fiber.

8 Channel Contact Closure SFP
The 8 Channel Contact Closure SFP Fiber Link System transmits 8 signals (Wet or Dry) over fiber.

4 Channel Bi-Di Contact Closure SFP
The 4 Channel Bi-Directional System provides two-way transmission of 4 signals (Wet or Dry) over fiber.
420mA/0-10V

Analog Signal Fiber Link System
The Analog Signal DIN Fiber Link System transmits a 4-20mA or 0-10VDC signal over fiber.

4 Channel 4~20mA / 0~10VDC
The High Speed 4 Channel 4~20mA / 0~10VDC System transmits 4 independent analog signals over a single fiber.
POTS

Analog Phone (POTS) System
The Plain Old Telephone Service DIN Fiber Link system transports one analog phone line over fiber optic cable.

2 Channel (POTS) System
The 2 Channel Plain Old Telephone Service System transports two analog phone lines over fiber optic cable.

2 Channel (POTS) with I/O System
This system transports two analog phone lines and provides bi-directional contact closure signaling over fiber.

2 Channel (POTS) with Ethernet
This system transports two analog phone lines as well as 10/100 Fast Ethernet over fiber optic cable.
T1 & 4W Data

4 Wire Data with E&M System
Transport a 4 Wire Data 600 Ohm voice frequency signal over fiber.

2 Channel 4 Wire Data with E&M System
Transport two 4 Wire Data 600 Ohm voice frequency signals over fiber.

2 Channel 4 Wire Data with E&M and IO System
Transport two 4 Wire Data 600 Ohm voice frequency signals and Contact Closure over fiber.

2 Channel T1 Fiber Mux
The 2 Channel T1 Din System transports two T1 circuits over fiber optic cable and can be line powered.
Serial Data

Industrial RS-232 Serial Data Fiber Converter
Transmits copper RS-232 serial data over fiber optic cable, supports full 9-PIN RS-232 applications.

Serial Data RS-232 & RS-485/422
Transmits 2 active channels of copper serial data (RS-232 and RS-485/422) over fiber optic cable simultaneously.
Ethernet

Industrial Gigabit Ethernet Media Converter
The Industrial Gigabit Ethernet Media Converter extends Ethernet over Fiber up to 62 miles.

10/100 Enhanced Ethernet Media Converter
The 10/100 Enhanced Ethernet Media Converter extends Fast Ethernet up to 74 miles over fiber.

10/100 SlimLine Ethernet Media Converter
The 10/100 SlimLine Ethernet Media Converter extends Fast Ethernet up to 74 miles over fiber.
Accessories

Fiber Optic Patch Cords
RLH Fiber optic patch cords are made with Corning® glass. Available with riser or plenum Jacketing and a wide variety of connector and lengths options.

Industrial AC/DC + DC/DC Switching Power Supplies
A compact industrial DIN-rail power supply with a universal input of 85-264VAC or 90-375VDC.

Integrated 75W AC/DC UPS with Battery Backup
A 75W AC/DC 24V power supply with integrated battery charger offers a power system for 24VDC UPS applications.

Solo-24 Power Adapter
Solo-24 Power Adapter is a compact, plug-and-play, power supply that connects to a single RLH Fiber Link module.

Industrial AC/DC Switching Power Supplies
These compact modules are the best choice for reliable industrial systems and machines.

Rack Mount DIN Rail Bracket
The Rack Mount DIN Rail Bracket provides a sturdy way to attach a T35 DIN rail to a standard EIA 19/23" rack.

155M SFP Transceiver
Small Form Factor Pluggable (SFP) Optical Transceivers certified for use in RLH SFP products.

1.25Gbit SFP Transceiver
Small Form Factor Pluggable (SFP) Optical Transceivers certified for use in RLH SFP products.

DIN Rail Housing
The DIN Rail industrial housing is a steel, powder coated, enclosure with a hinged door for equipment access.