Fiber Optic Isolation Systems

RLH provides high voltage isolation through our Fiber Optic Link systems. Our card systems solutions are the safest, most reliable, and most versatile available today. We offer a wide selection of card types and chassis to fit the unique needs of Power Utilities and Telecommunication Service Providers.

Fiber Cards

POTS | T1 | 2 & 4 Wire Data | Ethernet | Serial | DDS | Control Signals | Special Use

POTS

2 Wire POTS

The 2 Wire POTS (Plain Old Telephone Service) system provides transmission of standard analog phone.

$530.00 – $900.00
2 Wire POTS Enhanced

The 2 Wire POTS System provides transmission of standard analog phone with Caller ID and Call Forward Disconnect.

$530.00 – $910.00
2 Channel POTS

The 2 Channel POTS Fiber Link Cards are fully featured and hardened for substation and critical application use.

$710.00 – $990.00
4 Channel POTS

The 4 Channel POTS Fiber Link Cards are fully featured and hardened for substation and critical application use.

$1,100.00 – $1,380.00
2 Wire DID

The RLH 2-wire DID provides a fiber optic transmission of a Telco DID TRUNK line to a PBX over 2 optical fibers.

$650.00 – $1,080.00

T1

2 & 4 Wire Data Cards

Ethernet

Serial

DDS

Control Signals

Special Use

Card Housings

Enclosures

Power Solutions

DON‘T SEE WHAT YOU’RE LOOKING FOR? ASK OUR EXPERTS.

Quick Contact

Cookie and Privacy Settings

How we use cookies

We may request cookies to be set on your device. We use cookies to let us know when you visit our websites, how you interact with us, to enrich your user experience, and to customize your relationship with our website.

Click on the different category headings to find out more. You can also change some of your preferences. Note that blocking some types of cookies may impact your experience on our websites and the services we are able to offer.

Essential Website Cookies

These cookies are strictly necessary to provide you with services available through our website and to use some of its features.

Because these cookies are strictly necessary to deliver the website, refuseing them will have impact how our site functions. You always can block or delete cookies by changing your browser settings and force blocking all cookies on this website. But this will always prompt you to accept/refuse cookies when revisiting our site.

We fully respect if you want to refuse cookies but to avoid asking you again and again kindly allow us to store a cookie for that. You are free to opt out any time or opt in for other cookies to get a better experience. If you refuse cookies we will remove all set cookies in our domain.

We provide you with a list of stored cookies on your computer in our domain so you can check what we stored. Due to security reasons we are not able to show or modify cookies from other domains. You can check these in your browser security settings.

Other external services

We also use different external services like Google Webfonts, Google Maps, and external Video providers. Since these providers may collect personal data like your IP address we allow you to block them here. Please be aware that this might heavily reduce the functionality and appearance of our site. Changes will take effect once you reload the page.

Google Webfont Settings:

Google Map Settings:

Google reCaptcha Settings:

Vimeo and Youtube video embeds:

Privacy Policy