Industrial Multi-Channel RS-232/422/485 Serial to Fiber Converters
Overview
The E-link LNK-IRS Series is an industrial-grade multi-channel RS232/RS485/RS422 to fiber optic converter, designed to extend serial communication up to 2km over multimode fiber or 20km over single-mode fiber.
It supports 4 to 16 channels of RS232 or RS485, and 2 to 8 channels of RS422, with flexible mixed-signal configurations such as 8CH RS232 + 8CH RS485 or 8CH RS485 + 4CH RS422.
Featuring a DIN-rail mount design, it ensures easy installation in harsh industrial environments. Optical fiber transmission eliminates EMI, ground loop, and lightning interference, ensuring high data reliability, security, and performance.
Ideal for industrial automation, process control, stage lighting, and traffic management systems.
Features
► 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
► The high-speed serial data can be used for DMX512 communication in Stage Lighting Control
► Supports Input Voltage 12 ~ 48VDC
► Supports Reverse Polarity Protection
► IP40 Aluminum Case
► -40°C to 80°C (-40°F to 176°F) Operating Temperature
► 5-Year Warranty
Technical Indexes
| Fiber Optical Interface |
| Fiber interface | SFP, FC, SC or ST |
| Cable requirement | Multi-Mode: 50/125um, 62.5/125um
Single-Mode: 9/125um |
| Fiber port | 1 Fiber Port |
| Transmission distance | Multi-Mode: 2km
Single-Mode: 20km |
| Wavelength | 1310nm/1490nm/1550nm |
| 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 |
| Mechanical |
| Dimensions (LxWxH) | 119 x 114 x 50mm |
| Weight | 0.55KG |
| Casing | Aluminum Case |
| Mounting Options | DIN-Rail Mount |
| Environmental |
| Working Temperature | -40°C to 80°C (-40°F to 176°F) |
| Storage Temperature | -40°C to 85°C (-40°F to 185°F) |
| Working Humidity | 5%~95% (Non-Condensing) |
| MTBF | 216,388 Hours |
| Regulatory Approvals |
| EMI | FCC Part15, CISPR (EN55022) Class A |
| EMS | EN61000-4-2 (ESD) Level 4, Criteria B
EN61000-4-3 (RS) Level 3, Criteria A
EN61000-4-4 (EFT) Level 3, Criteria A
EN61000-4-5 (Surge) Level 3, Criteria B
EN61000-4-6 (CS) Level 3, Criteria A |
| Shock / Freefall / Vibration | Shock: MIL-STD-810F Method 516.5
Free Fall: MIL-STD-810F Method 516.5
Vibration: MIL-STD-810F Method 514.5 C-1 & C-2 |
| Green | RoHS Compliant |
| Certifications: | FCC, CE |
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