Industrial Serial RS232/RS485/RS422 Fiber Optic Modem
Overview
The LNK-IRS93 series is an industrial-grade fiber optic converter designed to seamlessly
transform RS232, RS485, or RS422 signals into fiber optic links. This conversion extends
the signal range up to 2 km on multimode fiber and 80 km on single-mode fiber. By utilizing
optical fiber communication, the converter effectively eliminates issues such as
electromagnetic interference, ground loop problems, and lightning damage. This
enhancement significantly boosts the reliability, security, and confidentiality of data
transmission. It is ideal for a wide range of applications, including industrial and process
control, stage lighting control, and traffic management systems.
Features
Easy plug-and-play functionality with hot-swappable support
Extends bi-directional RS-232/RS-485/RS-422 signals up to 2 km on multimode fiber (MMF)
and 80 km on single-mode fiber (SMF)
Compliant with EIA/TIA standards for RS-232/485/422, supporting data rates up to 2 Mbps
Fully transparent serial data, with automatic baud rate detection—no manual configuration
needed
Ideal for high-speed serial data transmission, including DMX512 communication in stage
lighting control
Supports both DIN rail and wall-mount installations
Built-in surge and static protection for enhanced durability
Diagnostic LEDs for real-time status monitoring
Designed for harsh environments, with an operating temperature range of -40°C to 75°C
(-40°F to 176°F)
Technical Indexes
|
Model
|
LNK-IRS93 Series
|
|
Fiber Connector
|
SC standard, ST/FC/LC optional
|
|
Fiber Distance
|
50/125um MMF: 2Km, 62.5/125um MMF: 5Km, 9/125 SMF:20/40/60/80Km
|
|
Serial Interface
|
Industrial Terminal
|
|
Signal Ports
|
1Ch RS232 - 1Mbps
1Ch R485 - 1Mbps
2Ch RS485H- 2Mbps
2Ch RS485H can be grouped into 1Ch High Speed RS422
|
|
 Standard
|
EIA /TIA RS232/485/422
|
|
Serial Distance
|
RS232: 15 meters, RS485/422: 1000 meters
|
|
Rate
|
Max 2Mbps
|
|
RS-232
|
TXD, RXD, GND - Bi-directional
|
|
RS-485
|
D+, D-, GND - Bi-directional
|
|
Power Supply
|
DC12~48V
|
|
Power rate
|
<5W
|
|
Static protection
|
15KV electric static discharge (ESD) protection
|
|
Surge protection
|
1500W/sec surge protection
|
|
Operation Temperature
|
-25°C to +75°C
|
|
Storage Temperature
|
-40°C to +85°C
|
|
Storage Humidity
|
5%~90% non-condescending
|
|
Dimensions
|
95(L)*70(W)*29(H) mm
|
|
Weight
|
0.25kg/pcs
|
Ordering Information
|
Model
|
Description
|
|
LNK-IRS93-SFP
|
Industrial Serial RS232/RS485/RS422 with SFP port
|
|
LNK-IRS93-SCMM
|
Industrial Serial RS232/RS485/RS422 , SC MM 850nm, 550m
|
|
LNK-IRS93-SC20
|
Industrial Serial RS232/RS485/RS422 , SC SM 1310nm, 20km
|
|
Mounting Options
|
► Default DIN-Rail Bracket installed, Wall Mount Bracket is included.
|
|
Power Options
|
► Power Supply is to be purchased separately
|
Application
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