---
product_id: 18931736
title: "UOTEK UTEK UT-277SM-SC RS-232/422/485 to Optical Fiber Media Converters"
brand: "uotek"
price: "¥22038"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/18931736-uotek-utek-ut-277sm-sc-rs-232-422-485-to
store_origin: JP
region: Japan
---

# 460kbps high-speed transmission 20 km single-mode fiber distance Simultaneous RS-232 & RS-485/422 support UOTEK UTEK UT-277SM-SC RS-232/422/485 to Optical Fiber Media Converters

**Brand:** uotek
**Price:** ¥22038
**Availability:** ✅ In Stock

## Summary

> 🚀 Future-proof your network with ultra-reliable fiber conversion!

## Quick Answers

- **What is this?** UOTEK UTEK UT-277SM-SC RS-232/422/485 to Optical Fiber Media Converters by uotek
- **How much does it cost?** ¥22038 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/18931736-uotek-utek-ut-277sm-sc-rs-232-422-485-to)

## Best For

- uotek enthusiasts

## Why This Product

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

## Key Features

- • **Hub-Ready Slave Mode:** Enable slave mode to function as a hub, optimizing your network topology.
- • **Flexible Duplex Modes:** Switch effortlessly between half-duplex (2 bits) and full-duplex (4 bits) RS-485 modes.
- • **Multi-Protocol Mastery:** Supports RS-232, RS-422, and RS-485 protocols simultaneously for versatile integration.
- • **Blazing Fast Data Transfer:** Experience seamless 460kbps transmission speed for uninterrupted connectivity.
- • **Extended Reach Connectivity:** Cover up to 20 km with single-mode fiber for expansive network setups.

## Overview

The UOTEK UT-277SM-SC media converter delivers high-speed 460kbps data transmission over fiber optic cables, supporting RS-232, RS-422, and RS-485 protocols simultaneously. With a robust 20 km single-mode fiber range and flexible duplex modes, it’s engineered for professional-grade, scalable network solutions.

## Description

UOTEK UTEK UT-277SM-SC RS-232/422/485 to Optical Fiber Media Converters

## Features

- Supports point to point (point to multi point) connection ● Supports RS-232,RS-422,RS-485 protocol
- RS-232, RS-485/422 working at the same time ● Supports 2 bits (half-duplex) & 4 bits (full-duplex) RS485 operating mode
- Transmission rate: 460kbps
- Supports master-slave mode ● Slave mode: can be worked as Hub
- Transmission distance: 20 km for single-mode

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | UOTEK |
| Connector Type | Optical |
| Cable Type | Fiber Optic |
| Compatible Devices | Modem |
| Special Feature | High Speed |
| Connector Gender | Male-to-Female |
| Shape | Round |
| Unit Count | 1.0 Count |
| Customer Package Type | Standard Packaging |
| Manufacturer | UTEK |
| Item model number | LYSB00L0RRRJ4-CMPTRACCS |
| Item Weight | 11.2 ounces |
| Product Dimensions | 11.2 x 5.2 x 2.6 inches |
| Item Dimensions  LxWxH | 11.2 x 5.2 x 2.6 inches |
| ASIN | B00L0RRRJ4 |
| Country of Origin | China |
| Is Discontinued By Manufacturer | No |
| Date First Available | June 16, 2014 |

## Product Details

- **Brand:** UOTEK
- **Connector Type:** Optical
- **Cable Type:** Fiber Optic
- **Compatible Devices:** Modem
- **Special Feature:** High Speed

## Images

![UOTEK UTEK UT-277SM-SC RS-232/422/485 to Optical Fiber Media Converters - Image 1](https://m.media-amazon.com/images/I/61Usz0hEjTL.jpg)
![UOTEK UTEK UT-277SM-SC RS-232/422/485 to Optical Fiber Media Converters - Image 2](https://m.media-amazon.com/images/I/5139LFUeNsL.jpg)
![UOTEK UTEK UT-277SM-SC RS-232/422/485 to Optical Fiber Media Converters - Image 3](https://m.media-amazon.com/images/I/51X7tL4IOuL.jpg)
![UOTEK UTEK UT-277SM-SC RS-232/422/485 to Optical Fiber Media Converters - Image 4](https://m.media-amazon.com/images/I/51T4xeXVuTL.jpg)
![UOTEK UTEK UT-277SM-SC RS-232/422/485 to Optical Fiber Media Converters - Image 5](https://m.media-amazon.com/images/I/61EVYnRG20L.jpg)

## Frequently Bought Together

- UOTEK UTEK UT-277SM-SC RS-232/422/485 to Optical Fiber Media Converters
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**Shop now:** [https://www.desertcart.jp/products/18931736-uotek-utek-ut-277sm-sc-rs-232-422-485-to](https://www.desertcart.jp/products/18931736-uotek-utek-ut-277sm-sc-rs-232-422-485-to)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-01-24*