Extend Voice (POTS) Over Fiber

Fiber Link Card Icon

Temperature Icon

4 Channel Icon

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Features
  • 4 Channels of POTS over one fiber pair
  • Extend telephone up to 120km over fiber
  • Single or dual fiber models available
  • Supports Caller ID
  • Supports Call-Forward Disconnect
  • Ringdown Function (FXS to FXS Hotline Phone)
  • Convenient LED status indicators
  • Available in Single or Multi-mode
  • Available with ST or SC Connectors
  • Uses 24~48VDC local power
  • Operating temperature range is -40°F to +158°F (-40°C to +70°C)
  • Compatible with wide variety of RLH card housings
  • Limited Lifetime Warranty

  • Made in USA
Overview

The 4 Channel POTS (Plain Old Telephone Service) Fiber Link Cards are fully featured and hardened for substation and critical applications. These cards operate over a wide temperature range and have been designed to provide reliability in harsh environments.

Common applications include extending analog lines over fiber for the benefit of electrical isolation, to achieve long distances, or through noisy environments to reduce EMI. These cards are fully compatible with all traditional POTS services, dial-up modems, meters, & fax machines. Fiber Link Cards are designed and Made in the USA, and are covered by our Lifetime warranty.

This fiber link card is designed to be installed into any of the RLH fiber link card housings, and occupies a single card slot.

Specifications

For a comprehensive review of the product specs, please see the Data Sheet, or feel free to contact us with any questions.


Transmission Method:
Amplitude modulated light via two optical fibers


Wavelength:
Multimode: 1310nm
Singlemode: 1310/1550nm


Fiber Type/Distance:
Multimode (50 or 62.5µm/125µm): 2.4km / 1.5 mi.
Singlemode (8~9µm/125µm): 20km / 12.4 mi., 60km / 37 mi., 120km / 74 mi.


Fiber Connector Type:
ST or SC Fiber Female Connectors


Dimensions:
L 7in. x H 4in. x W 1in. (177.8mm x 101.6mm x 25.4mm)
Compatible with RLH Fiber Link card housings


Operating Temperature:
-40˚F to +158˚F (-40˚C to +70˚C)


Operating Humidity:
95% non-condensing

Diagrams
4 Channel POTS Front Panel Features

4 Channel POTS Front Panel Features

4 Channel POTS Phone Line Extension

4 Channel POTS Phone Line Extension

4 Channel POTS Ringdown

4 Channel POTS Ringdown

Downloads

Download the RLH Data Sheet

Download the RLH User Guide

Download the Layout

Download the RLH DXF File

Download the RLH DXF File

Download the RLH Step File

Ordering
  • A complete system requires cards
    • One (1) FXO paired with one (1) FXS card for a typical phone line extension, or
    • Two (2) FXS cards paired for a ringdown hotline
  • Bi-Directional single fiber models require an A side and B side unit for a complete system
  • This card is designed to be installed into a Card Housing

Please submit a quote request or contact your RLH sales representative for pricing and delivery information.

Numbers

4PC-FXO-03-1
4PC-FXS-03-1
4PC-FXO-04-1
4PC-FXS-04-1
4PC-FXO-40-1
4PC-FXS-40-1
4PC-FXO-41-1
4PC-FXS-41-1
4PC-FXO-45-1
4PC-FXS-45-1
4PC-FXO-50-1
4PC-FXS-50-1
4PC-FXO-51-1
4PC-FXS-51-1
4PC-FXO-55-1
4PC-FXS-55-1
4PC-FXO-10-1
4PC-FXS-11-1
4PC-FXO-14-1
4PC-FXS-15-1