---
product_id: 57761439
title: "FRM220-FXO-4 - Four POTS RJ11 FXO telephone lines over fiber multiplexer, SFP slot, standalone w/AC adapter"
brand: "ctcunion"
price: "¥271934"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/57761439-frm220-fxo-4-four-pots-rj11-fxo-telephone-lines-over
store_origin: JP
region: Japan
---

# Web/SNMP management 120km range Standalone with AC adapter FRM220-FXO-4 - Four POTS RJ11 FXO telephone lines over fiber multiplexer, SFP slot, standalone w/AC adapter

**Brand:** ctcunion
**Price:** ¥271934
**Availability:** ✅ In Stock

## Summary

> 📡 Connect Beyond Limits: Elevate Your Communication Game!

## Quick Answers

- **What is this?** FRM220-FXO-4 - Four POTS RJ11 FXO telephone lines over fiber multiplexer, SFP slot, standalone w/AC adapter by ctcunion
- **How much does it cost?** ¥271934 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/57761439-frm220-fxo-4-four-pots-rj11-fxo-telephone-lines-over)

## Best For

- ctcunion enthusiasts

## Why This Product

- Trusted ctcunion brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Plug & Play:** Standalone design with AC adapter for hassle-free setup.
- • **Caller ID Ready:** Supports caller ID pass-through for enhanced communication.
- • **Hotline Support:** Enjoy FXS to FXS hot line capabilities for instant connectivity.
- • **Unmatched Range:** Extend your voice transmission up to 120km over fiber!
- • **Seamless Management:** Easily manage your network via terminal, web, or SNMP.

## Overview

The FRM220-FXO-4 is a cutting-edge multiplexer designed to extend telephone voice transmission over fiber up to 120km. It features robust network management options via terminal, web, or SNMP, supports caller ID pass-through, and includes FXS to FXS hot line capabilities, all in a standalone unit with an AC adapter.

## Description

FRM220-FXO-4 - Four POTS RJ11 FXO telephone lines over fiber multiplexer, SFP slot, standalone w/AC adapter

## Features

- ▪ Extend telephone voice transmission up to 120km over fiber  ▪ Network management via terminal, web or SNMP in FRM220 chassis  ▪ Supports telephone voice transmission  ▪ Supports caller ID Pass-Through  ▪ Supports FXS to FXS hot line

## Images

![FRM220-FXO-4 - Four POTS RJ11 FXO telephone lines over fiber multiplexer, SFP slot, standalone w/AC adapter - Image 1](https://m.media-amazon.com/images/I/71hgv0ZzKwL.jpg)

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**Shop now:** [https://www.desertcart.jp/products/57761439-frm220-fxo-4-four-pots-rj11-fxo-telephone-lines-over](https://www.desertcart.jp/products/57761439-frm220-fxo-4-four-pots-rj11-fxo-telephone-lines-over)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-26*