Comprehensive Product Summary – ISC-1310FR-MM-ST Industrial Serial Media Converter

---

### 1. Product Overview

Product Name: ISC-1310FR-MM-ST
Model: ISC-1310FR-MM-ST
Series: ISC-1310FR Industrial Serial Media Converter Series
Article Number: ISC-1310FR-MM-ST
Manufacturer: ORing Industrial Networking Corp.

The ISC-1310FR-MM-ST is an industrial-grade serial-to-fiber media converter designed to extend serial communication over optical fiber networks. It supports RS-232, RS-422, and RS-485 interfaces and provides a single multi-mode fiber port with an ST connector operating at 850 nm wavelength. The device is engineered for rugged industrial environments, offering ring redundancy, wide temperature tolerance, and dual DC power inputs for high reliability in mission-critical applications.

---

### 2. Key Features

- Multi-Interface Serial Support:
One serial port configurable for RS-232, RS-422, or RS-485 (2-wire/4-wire) operation via DIP switch.

- Fiber Connectivity:
One multi-mode fiber port with ST connector, supporting up to 5 km transmission distance at 850 nm wavelength.

- Ring Mode Functionality:
Supports fiber ring topology for redundant communication paths.
- Up to 32 nodes @ 115.2 kbps
- 24 nodes @ 230.4 kbps
- 11 nodes @ 460.8 kbps
- 6 nodes @ 921.6 kbps

- Auto/Manual Baud Rate Switching:
Configurable baud rate from 50 bps to 921.6 kbps, with automatic detection or manual setting.

- Dual Power Inputs:
Accepts +12 to +48 VDC on a 4-pin terminal block, providing redundancy and protection against power failure.

- Industrial-Grade Design:
- IP30-rated metal enclosure
- DIN-rail and wall-mount options
- Extended operating temperature range: -40°C to +75°C

- LED Indicators:
Multiple LEDs for power, serial TX/RX activity, auto baud rate, and ring mode status.

- Low Power Consumption:
Typical consumption of 1.6 W, with 2 A overload current protection.

- High Reliability:
Designed for shock, vibration, and free-fall resistance per IEC60068 standards.

- Modbus Conversion Support:
Compatible with Modbus protocol conversion, enabling integration into industrial automation systems.

---

### 3. Technical Specifications

General Specifications:
- Model: ISC-1310FR-MM-ST
- Converter Type: Serial to Fiber (RS-232/422/485 to Fiber)
- Fiber Mode: Multi-mode
- Fiber Connector: ST
- Wavelength: 850 nm
- Transmission Distance: Up to 5 km

Serial Port:
- Connector: DB9 male x 1
- Supported Interfaces: RS-232 / RS-422 / RS-485 (2-wire or 4-wire)
- Baud Rate: 50 bps to 921.6 kbps
- Signal Pins:
- RS-232: TxD, RxD, GND
- RS-422: Tx+, Tx-, Rx+, Rx-, GND
- RS-485 (2-wire): D+, D-, GND
- RS-485 (4-wire): Tx+, Tx-, Rx+, Rx-, GND

Fiber Port:
- Port Count: 1
- Connector Type: ST
- Optical Mode: Multi-mode
- Typical Distance: 5 km
- Wavelength: 850 nm
- TX Output Power: 0 to -5 dBm
- RX Sensitivity: -5 to -20 dBm

Power:
- Input Voltage: Dual DC inputs, +12 to +48 VDC
- Connector Type: 4-pin terminal block
- Power Consumption: 1.6 W (typical)
- Overload Protection: 2 A

Physical Characteristics:
- Enclosure: IP30-rated metal housing
- Dimensions (W x D x H): 26.1 x 70 x 95 mm
- Weight: 205 g
- Mounting Options: DIN-rail and wall-mount

Environmental:
- Operating Temperature: -40°C to +75°C (-40°F to +167°F)
- Storage Temperature: -40°C to +85°C (-40°F to +185°F)
- Humidity: 5% to 95% (non-condensing)

LED Indicators:
- Power: Green (ON = power normal)
- Auto Baud Rate: Green (auto mode active)
- RX Activity: Orange (data receiving)
- TX Activity: Green (data transmitting)
- Ring Mode: Green (ring mode active)

---

### 4. Functionality

The ISC-1310FR-MM-ST functions as a serial-to-fiber media converter, enabling long-distance serial communication over optical fiber. It converts electrical serial signals (RS-232/422/485) into optical signals for transmission through fiber networks, significantly extending communication range and improving noise immunity.

Operation Modes:
- Point-to-Point: Direct serial-to-fiber link between two devices.
- Ring Mode: Redundant ring topology for fault-tolerant communication. If one fiber link fails, data automatically reroutes through the alternate path, ensuring continuous operation.

Use Cases:
- Industrial automation and control systems
- SCADA and telemetry networks
- Transportation and traffic control systems
- Power and utility monitoring
- Oil, gas, and mining communication networks
- Factory floor serial device networking

Compatibility:
- Compatible with standard serial devices such as PLCs, RTUs, sensors, and controllers.
- Supports Modbus RTU/ASCII communication over fiber.
- Works with both multi-mode fiber networks and standard serial communication equipment.

---

### 5. Components & Accessories

Included in Package:
- ISC-1310FR-MM-ST unit x 1
- DIN-Rail mounting kit x 1
- Wall-mount kit x 1
- Quick Installation Guide x 1

Optional Accessories:
- Fiber Patch Cords:
- FPC-SCST-MM3M (SC-ST, multi-mode, 3 m)
- FPC-SCST-SS3M (SC-ST, single-mode, 3 m)
- FPC-SCSC-MM3M (SC-SC, multi-mode, 3 m)
- FPC-SCSC-SS3M (SC-SC, single-mode, 3 m)

Connectors:
- Serial: DB9 male
- Power: 4-pin terminal block
- Fiber: ST connector

---

### 6. Installation & Setup

Mounting Options:
- DIN-Rail Mounting:
The converter includes a DIN-rail kit for quick installation in industrial control cabinets.
- Wall Mounting:
A wall-mount kit is provided for alternative installation on flat surfaces.

Power Connection:
- Connect dual DC power inputs (+12 to +48 VDC) to the 4-pin terminal block for redundancy.
- Ensure proper polarity and secure connections to prevent power loss.

Serial Configuration:
- Use the DIP switch to select the desired serial mode (RS-232, RS-422, or RS-485).
- Configure termination resistors and biasing as required for RS-485 networks.
- Set baud rate manually or enable auto baud rate detection.

Fiber Connection:
- Connect the ST fiber connector to the corresponding fiber network port.
- Ensure correct fiber polarity (TX to RX, RX to TX) for proper communication.

Ring Mode Setup:
- Enable Ring Mode via DIP switch to activate redundant fiber ring operation.
- Connect multiple ISC-1310FR units in a ring topology.
- Verify ring status using the RING LED indicator.

---

### 7. Performance & Capabilities

Data Transmission:
- Supports serial data rates from 50 bps to 921.6 kbps.
- Maintains stable communication across extended distances up to 5 km (multi-mode fiber).

Ring Mode Performance:
- Provides redundant communication with automatic failover.
- Maximum supported nodes depend on baud rate:
- 32 nodes @ 115.2 kbps
- 24 nodes @ 230.4 kbps
- 11 nodes @ 460.8 kbps
- 6 nodes @ 921.6 kbps

Efficiency:
- Low power consumption (1.6 W typical) ensures energy-efficient operation.
- Dual power inputs enhance uptime and reliability.

Limitations:
- Multi-mode fiber limits transmission distance to 5 km; for longer distances, the ISC-1310FR-SS-ST (single-mode, 40 km) is recommended.
- Supports one serial port only; for multi-port applications, additional units are required.

---

### 8. Standards & Compliance

Electromagnetic Compatibility (EMC):
- EMI:
- FCC Part 15B
- CISPR 32 (EN55032 Class B)
- EMS:
- EN61000-4-2 (Electrostatic Discharge)
- EN61000-4-3 (Radiated Susceptibility)
- EN61000-4-4 (Electrical Fast Transient)
- EN61000-4-5 (Surge Immunity)
- EN61000-4-6 (Conducted Susceptibility)
- EN61000-4-8 (Magnetic Field Immunity)
- EN61000-4-11 (Voltage Dips and Interruptions)

Environmental & Mechanical Testing:
- Shock: IEC60068-2-27
- Vibration: IEC60068-2-6
- Free Fall: IEC60068-2-31

Ingress Protection:
- IP30-rated metal enclosure for protection against solid objects and industrial contaminants.

Safety & Reliability:
- Designed for continuous operation in harsh industrial environments.
- Complies with international industrial communication and safety standards.

---

### 9. Additional Information

Warranty:
- 5-year limited warranty covering manufacturing defects and hardware reliability.

Support & Maintenance:
- Comprehensive technical documentation and quick installation guide included.
- Firmware updates and configuration tools available from ORing Industrial Networking support.
- Technical support provided via online resources and authorized distributors.

Maintenance Recommendations:
- Periodically inspect fiber connectors for dust or contamination.
- Verify LED indicators for normal operation.
- Ensure secure DIN-rail or wall-mount installation to prevent vibration-related issues.
- Maintain proper ventilation and avoid exposure to excessive moisture or corrosive environments.

Product Variants (Ordering Information):
- ISC-1310FR-MM-SC: Multi-mode, SC connector, 5 km, 850 nm
- ISC-1310FR-SS-SC: Single-mode, SC connector, 40 km, 1310 nm
- ISC-1310FR-MM-ST: Multi-mode, ST connector, 5 km, 850 nm *(this model)*
- ISC-1310FR-SS-ST: Single-mode, ST connector, 40 km, 1310 nm

---

### Summary

The ORing ISC-1310FR-MM-ST is a robust, industrial-grade serial-to-fiber converter engineered for reliable data communication in demanding environments. It bridges legacy serial devices with modern fiber-optic networks, offering extended communication range, electrical isolation, and redundant ring topology for fault-tolerant operation. With its wide temperature range, dual power inputs, and rugged IP30 metal housing, it is ideally suited for industrial automation, transportation, energy, and infrastructure monitoring applications.

The converter’s flexible configuration, comprehensive EMC compliance, and long-term reliability make it a dependable choice for system integrators and engineers seeking to modernize serial communication networks with fiber-optic technology.