1 or 2 Telephone Line over Fiber

Qty: 3
Price: $ 795.00
Availability: In stock Condition: new
Shipping: starting at $22.00 Warranty: 1Yrs
add to basket
ask about product
send request
Description Features Drawings Model Selection Specification Q&A Documents Support

F-1TEL POTS Over Fiber Optic to RJ11 Telephone Media Converter

The F-1TEL is used for carrying analog phone over fiber fiber optic cable.  Telephone over Fiber applications offer a secure connection that is impossible to bug.  The PSTN two-wire POTS telephone port can be configured either as an FXO (PBX trunk) or FXS (telephone set/fax machine/dial-up modem) device just by a simple DIP switch setting.  Using two of these devices, a  telephone line can be extended over a fiber link.  The F-1TEL provides full service for features like caller ID.  The converter can be used in service mode, allowing connection of 2 telephone sets.  The unit offers SNMP allowing remote management and sensing of converter status, type, version, fiber link status, RJ11 port status, and alarms.  The F-1TEL is a RJ11 to Fiber Optic Converter with a simple and reliable solution for data carriers and service providers for Telephone over Fiber links.


 •  Extend telephone voice transmission from 2km to 120km over fiber
 •  Network management via terminal, web or SNMP
 •  Supports telephone voice transmission
 •  Supports caller ID pass through

•  The Tx Transmitter)  connects to FXS  (telephone set/fax machine/dial-up modem)

• The  RX  (receiver)  connects to FXO - ( (PBX trunk)

Model Selection
Model Number Description
  • F-1TEL-TX/RX

2 CH Telephone FXO/FXS Singlemode Fiber Transmitter and Reciever for 20km

•  The Tx Transmitter)  connects to FXS  (telephone set/fax machine/dial-up modem)

• The  RX  (receiver)  connects to FXO - ( (PBX trunk)

  • F-1TEL-Tx/RX-MM
2 CH Telephone FXO/FXS Multimode Fiber Transmitter and Receiver kit for 2km (please call 800-521-8467 ext 1)
  • F-1TEL-Tx/RX-40
2 CH Telephone FXO/FXS Singlemode Fiber Transmitter for 40km (please call 800-521-8467 ext 1)
  • F-1TEL-Tx/Rx-80
2 CH Telephone FXO/FXS Singlemode Fiber Transmitter and Receiver kit for 80km (please call 800-521-8467 ext 1)
  • F-1TEL-Tx/Rx120
2 CH Telephone FXO/FXS Singlemode Fiber Transmitter and receiver kit for 120km  (please call 800-521-8467 ext 1)
*All Specifiactions Subject to Change Without Notice
Optical Interface  
  • Connector
  • Cable Length
MM 2km, SM 15/30/50/80/120km, WDM 20/40/60/80km
  • Wavelength
MM 1310nm, SM 1310, 1550nm, WDM 1310Tx/1550Rx, 1550Tx/1310Rx
Electrical Interface  
  • Connector                                                     
  • FXO Mode
600 ohms, Coding   : 16 bits liner, Loop Current : 10~100mA
Ring Frequency : Acceptable 20 ~50Hz, Insertion Loss: 0.0 ± 1.0dB at 1000H
  • FSX Mode
Impedance : 600 ohms, Coding : 16 bits liner,
Dial: DTMF and Dial Paul, Battery Source:  48VDC ± 4
  • Ringing Waveform
Sine Wave
  • Ringing Frequency
20/25/30/50 Hz selectable
  • Ring Cadence
FXS to FXS : On / 1 sec, Off / 2 sec
  • FXO to FXS
Reproduces the cadence detected by FXO Insertion Loss  0.0 ± 1.0dB at 1000Hz
REN: 4.0B(Ring Equivalence Number
  • LED Indicators
Power, FX Link, Phone Act, Test
  • Power Requirments
  • Power Consumption
5 W
  • Dimensions
480mm x 225mm x 44mm  
  • Temperature

0~50°C (Operating)
0~70°C (Storage)
  • Certifications
  • MTBF
125,000 h (25°C)
Question and Answers
These units will work perfectly over fiber using fax.
Similar products:

16 Analog Telephone Lines over Fiber transceiver

Extend independent 16 phones over 1 fiber optic cable. 16 Channel telephones over fiber transceiver for secure telephone lines. These units transport the standard analog phone signal point to point over fiber optic cable and are impossible to tap.

USB Fiber Optic Transmission System

4 Port USB Fiber Optic Extender - This kit includes a transmitter and a receiver, can extend USB signals bidirectionally over just one fiber. USB 1.1 &, 2.0 up to 10km over single mode fiber -1.25Gbps (SFP Included)

Contact Us

Thor Broadcast Sales

Customer Service/ Support