Telecom Tables

Serial RS232/RS422/RS485 to Fiber Optic Modem Industrial Serial to Fiber Media Converter
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Model: LNK-277 Series
Overview

LNK-277 Series is an industrial grade RS-232 / RS-422/ RS-485 to fiber optic converter which converts a standard RS-232 / RS-422 / RS-485 transceiver to a fiber optic link as to extend the serial signal up to 2Km on multimode fiber and 80Km on single mode fiber. This unit is enclosed in an industrial wall mount compact size rugged steel case.

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Features
# Plug-and-play, hot pluggable
# Extends RS-232 / RS-422 / RS-485 transmission up to 2Km on MMF, 80Km on SMF
# Industrial Wall Mount Compact size rugged case
# Protects against electrical interference and chemical corrosion
# Built-in surge and static protection
# Diagnostic and unit indicator LEDs
# Wide temperature range
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Application

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Technical Indexes

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Standard | EIA /TIA RS232, RS-422, RS-485 |
Fiber Connector | SC standard, ST/FC optional |
Fiber Distance | 50/125um MMF: 2Km, 62.5/125um MMF: 5Km, 9/125 SMF:20/40/60/80Km |
Serial Connector | RS-232: DB9, RS-422, RS-485: phoenix terminal |
Serial Distance | RS232: 15 meters, RS-422, RS-485: 1500 meters |
Rate | 0-120Kbps |
Baud Rate | 300 Baud to 115,200 Baud |
RS-232 | IN, OUT, GND |
RS-485 | D+, D-, GND |
RS-422 | R+, R-, T+, T-, GND |
Power Supply | 110V ~ 240VAC to 5VDC with external power adapter |
Power rate | 5-40V, 2W |
Static protection | 15KV electric static discharge (ESD) protection |
Surge protection | 1500W/sec surge protection |
Operation Temperature | -25°C to +70°C |
Storage Temperature | -40°C to +85°C |
Storage Humidity | 5%~90% non-condescending |
Dimensions | 110(L)*104(W)*28(H) mm |
Weight | 0.3kg/pcs |
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Ordering Information

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Model | Description |
LNK-277M | RS232/RS422/RS485 serial to fiber converter, Phoenix terminal, MM, dual fiber, 2Km, SC |
LNK-277S-20 | RS232/RS422/RS485 serial to fiber converter, Phoenix terminal, SM, dual fiber, 20Km, SC |
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