Product Details
Industrial 4Ch RS-232 Serial To Fiber Converter
Industrial Ethernet Switch Serial to Fiber Converter Advantages:
- Fan-less and Din-Rail design for Harsh Industrial Environment
- Built in Bi-Directional RS232/422/485(Terminal Block) Serial Port
- Supports Multi-Channel Serial Data Ports: 4~16Ch RS232, 4~16Ch
RS485 or 2~8Ch RS422
- Serial data is fully transparent, baud rate is self-adaptive, no
setting is required
- Supports SFP, FC, SC or ST Multi-mode 2Km, Single-mode 20Km
Serial to Fiber Converter Technical Indexes
| RS232 Serial Interface |
| Physical interface | Industrial standard screw terminal |
| Data type | Up to 16Ch RS232 Bi-Direction |
| RS-232 signals | TxD, RxD, GND |
| Serial port line distance (copper) | 15 meters |
| Baud Rate | 0 ~ 800kbps |
| RS422 Serial Interface |
| Physical interface | Industrial standard screw terminal |
| Data type | Up to 8Ch RS422 Bi-Direction |
| RS-422 signals | Tx+, Tx-, Rx+, Rx-, GND |
| Serial port line distance (copper) | 1000 meters |
| Baud Rate | 0 ~ 800kbps |
| RS485 Serial Interface |
| Physical interface | Industrial standard screw terminal |
| Data type | Up to 16Ch RS485 Bi-Direction |
| RS-485 signals | Data+, Data-, GND |
| Serial port line distance (copper) | 1000 meters |
| Baud rate | 0 ~ 800kbps |
| Power Requirements |
| Power input | 12~48VDC |
| Power consumption | <6W |
| Power connector | Terminal block |
| Power protection | Reverse polarity protection |
| LED Indicator |
| PWR | Power Supply |
| FL | Fiber Link Status |
| Data 1~16 | Serial Data Signal |
Serial to Fiber Converter Overview
E-link LNK-IRS series is an industrial grade Multi-Channel
RS232/RS485/RS422 to fiber optic converter which converts a
standard RS232/RS485/RS422 signal to a fiber optic link as to
extend the signal up to 2KM on multimode fiber and 20KM on single
mode fibe
Ordering Information
| Model | Description |
| LNK-IRS232-C04-SFP | Industrial 4Ch RS-232 Serial to Fiber Converter, SFP Port (not
including SFP modules), -40°C ~ 80°C |
| Mounting Options | ► Default DIN-Rail Bracket installed |
| Power Options | ► DIN-Rail Power Supply. Open Wire for Terminal Block |
| ► Power Supply needs to be purchased separately |
Company Profile
Established in 2001 & headquartered in Shenzhen, E-link China
Technology Co., Ltd. (E-link) is a leading manufacturer of fiber optic communication and video transmission products in China.
Our main products include:

- Fiber Media Converters
- Industrial Ethernet PoE switchs
- PoE Injectors & Splitters
- PoE Extenders
- Serial Fiber Converters
- SFP Transceivers
- HDMI Fiber Converters
- DVI Fiber Converters
- HD/3G/6G/12G Fiber Extenders
- CCTV Fiber Optic Converters
- HDMI/ DVI/ VGA/ SDI Ethernet Extenders
(Industrial PoE Actual Display)
With rich experience in providing high quality products in the
telecom and CCTV business, E-link has a large manufacturing factory
in Shenzhen, able to provide cost-effective solutions
to serve our customers successfully.
(Automatic Mechanical Equipment)
Since the launch of our products in domestic and international
markets, we have won a good reputation for our high-quality
products and sincere services. Our products are widely applied to
- System of Telecom
- Public Security
- Bank
- Smart City
- Public transportation
- New Energy Developing
- CCTV Monitoring Transmission
We also provide ODM & OEM services and we have cooperated with some famous companies all
over the world. Our own brand "E-link" is also well known in many countries and have distributors there.
(Customer visit)
E-Link quality:
- ISO9001 Quality System
- CE, RoHS, FCC certified
- 48 hours of weathering test before delivery
- Conduct full-spectrum environmental and electrical testing on all
product designs

Our knowledgeable sales, technical support and engineering
personnel are dedicated to understanding your needs and designing
products and solutions to meet your needs. We would be happy to
provide you with the best price, quality products and fast
delivery.