Extend Analog Phone Lines Over Fiber – Line Powered

Fiber Link Card Icon

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FXO/CO Line Powered Icon

NEBS 3 IconUL Listed Icon

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Features
  • Compatible with all 2 Wire POTS systems
  • CO side is loop powered
  • Available in Single and Multi-mode
  • Available with ST or SC Connectors
  • Convenient sub card LED status indicators
  • Compatible with wide variety of housings
  • Limited Lifetime Warranty

  • Made in USA
Overview

NEBS Level 3The 2 Wire POTS (Plain Old Telephone Service) system provides transmission of standard analog phone, telemetering, or PBX loop start signals over two optical fibers. The system transmits signals in the voice-frequency or audio range (300Hz~3500Hz) while providing ringing and off-hook detection. Common applications include telephone, faxes, and dial-up modems.

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

A complete system uses one CO and one Sub card.

Note: Special modifications are available for forward disconnect (SM07) and square wave ringing (SM10). Contact the factory for additional information.

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:
Frequency modulated light via two optical fibers


Wavelength:
Multimode: 850nm
Singlemode: 1310nm
SM Long Haul: 1310nm


Fiber Type/Distance:
Multimode (62.5/125µm, 50/125µm): 1.5 miles/2.5km
Singlemode (9/125µm): 9 miles/15km; Long Haul 37 miles/60km


Fiber Connector Type:
ST or SC


Dimensions:
7in. x 4in. x 1in. (177.8mm x 101.6mm x 25.4mm)
(Standard RLH Fiber Link Card Form Factor)


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


Operating Humidity:
95% non-condensing

Diagrams
2 Wire POTS System

2 Wire POTS System

Downloads

Download the RLH Data Sheet

Download the RLH User Guide

Download Layout

Download Layout

Download the Visio Stencil

Download the Visio Stencil

Download the DXF File

Download the DXF File

Download the DWG File

Download the DWG File

Ordering
  • Add -RJ to part number for preinstalled RJ11 adapter
  • Add -SM07 to part number for forward disconnect option
  • Add -SM10 to part number for square wave ringing option
  • A complete system requires a FXO/CO card and a FXS/Sub Card

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

Numbers

8806-1234-03
8806-1244-05
8805-1234-03
8805-1244-05
8806-1261-01
8806-1271-03
8805-1261-01
8805-1271-03
8806-1261-01-LH
8806-1271-03-LH
8805-1261-01-LH
8805-1271-03-LH
RLH-RJ2W