Megatel MC-FXS-4-SC20B 4CH POTS Over Fiber Converter User Manual

: October 27, 2023
: Megatel

Table of Contents

Megatel MC-FXS-4-SC20B 4CH POTS Over Fiber Converter
Product introduction
Package List
Product Features
Technical Parameters
Environmental Requirements
LED Indicators
Applications
Connection Diagram
Ordering Information
References
Read User Manual Online (PDF format)
Download This Manual (PDF format)

Megatel MC-FXS-4-SC20B 4CH POTS Over Fiber Converter

Product introduction

MC-FXO-4-SC20A and MC-FXS-4-SC20B are 4CH POTS over fiber converters using the most advanced digital multiplexing communications solutions and fiber optic transmission technology, which can transmit analog and PSTN telephones or Ethernet data signals on a single fiber in real-time synchronization, no distortion, high quality. Plug and play design makes installation easy, no need for field settings and adjustment. Please use FXO unit as a transmitter to connect with PBX analog phone lines and use FXS unit as a receiver to link with your telephone sets or fax machines.

Package List

4 Channel POTS Converter: 1 pair (2 units)
AC90-260V to DC5V 2A Power Adapter: 2 pieces
User manual: 1 copy

Product Features

All-digital uncompressed transmission
PCM Pulse Code Modulation
Clear voice quality, stable and reliable calls
Power and fiber optic link LED lights indicate the state of equipment
Industrial grade design -35°C ~ +75°C
2 year standard warranty

Technical Parameters

Telephone Channel: 4
Phone Connector: 4 x RJ-11 Jack
Voice bandwidth: 8kHz
Distortion: <1%
Weighted noise: <63.7dBmop
Signal to Noise Ratio: >95db
Fast Ethernet Port: 1
Maximum. Bandwidth: 10/100Mbps
Ethernet Connector: RJ45

FXS Telephone Mode

Ring Voltage Peak: 110 – 150V
Ringing Voltage: AC90±15V
Ring Frequency: 22 – 28Hz
Input impedance: 600Ω
Return Loss: 20db
Insertion Loss: -3±0.75dB
Frequency characteristics: 300～3400Hz(-0.6～+3dB)
Crosstalk attenuation: ≥65dB

FXO Switch Mode

Ring Voltage: 35V – 150V
Ring Frequency: 17 – 60Hz
Input impedance: 600Ω
Return Loss: 20dB

Optical Interface

Bit rate:155Mbps±20ppm
Line code: NRZ+ Scrambler
Wavelength: 850nm,1310nm,1550nm
WDM 1310Tx/1550Rx (type A)
1550Tx/1310Rx (type B)
Transmit optical power:>-12dBm
Receiver sensitivity:<-30dBm
Fiber connector: SC

Environmental Requirements

Operating Temperature:-35°C～+75°C
Relative humidity: 0～95％（Non condensing）
Power Input: AC90-260V to DC5V 2A
MTBF: ≥100000h
Dimensions: 120 x 115 x 28mm (W x D x H)
Power Consumption: ≤10W (Input: DC5V 1A)
Net Weight: 280g

LED Indicators

Name	LED Indications	Status Descriptions
Power	Always ON	Power work normal
Fiber	OFF	Fiber doesn’t pass
ON	Fiber Link OK
Ethernet	Amber ON	Ethernet Connected
Green ON	Data Transmission

Applications

Metro optical broadband network: Telecommunications, network System integration and other data network operators.
Communications professional network: Applies to finance, government, oil, railway, electricity, public security, transportation, education and other industry professionals network.
Multimedia transmission: Voice, data and integrated transmission.
Resistance to harsh environments: Applicable to strong electromagnetic interference, long-distance network under harsh environments.

Connection Diagram

Megatel-MC-FXS-4-SC20B-4CH-POTS-Over-Fiber-
Converter-01

Ordering Information

MC-FXO-4-SC20A and MC-FXS-4-SC20B:
Use one single mode fiber, SC and WDM transmission up to 20Km and use one multi-mode fiber and transmission up to 2Km.

Industries Corporation