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

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### 1. Product Overview

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

The ISC-1310FR-MM-SC is a rugged, 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 serial interfaces and converts them to multi-mode fiber using an SC connector operating at 850 nm wavelength. The device is part of ORing’s ISC-1310FR series, which includes both multi-mode and single-mode variants, and is engineered for high reliability in harsh industrial environments.

This model supports fiber ring topology, enabling redundant communication paths for mission-critical applications. It features a wide operating temperature range (-40°C to +75°C), dual DC power inputs (12–48 VDC), and a compact IP30-rated metal enclosure suitable for DIN-rail or wall mounting.

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### 2. Key Features

- Multi-Interface Serial Support: One DB9 male port configurable for RS-232, RS-422, or RS-485 (2-wire/4-wire) operation via DIP switch.
- Fiber Connectivity: One SC-type multi-mode fiber port, supporting up to 5 km transmission distance at 850 nm wavelength.
- Ring Mode Functionality: Enables redundant fiber ring topology for enhanced network reliability.
- Up to 32 nodes at 115.2 kbps
- 24 nodes at 230.4 kbps
- 11 nodes at 460.8 kbps
- 6 nodes at 921.6 kbps
- Auto/Manual Baud Rate Selection: Supports baud rates from 50 bps to 921.6 kbps with automatic or manual configuration.
- Dual Power Inputs: Redundant 12–48 VDC inputs on a 4-pin terminal block for uninterrupted operation.
- Industrial-Grade Design:
- IP30-rated metal housing for mechanical protection.
- Extended temperature range (-40°C to +75°C) for outdoor or factory-floor environments.
- Shock, vibration, and free-fall resistance per IEC60068 standards.
- LED Indicators: Provide real-time status for power, serial TX/RX activity, auto baud rate, and ring mode operation.
- Compact Form Factor: Slim design (26.1 × 70 × 95 mm) for space-constrained installations.
- Low Power Consumption: Typical consumption of 1.6 W.
- Compliance: Meets FCC Part 15B, EN55032 Class B, and EN61000-4-x EMC/EMS standards.
- Warranty: Backed by a 5-year manufacturer warranty.

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### 3. Technical Specifications

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

Serial Interface:
- Connector: DB9 male
- Supported Modes: 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 Interface:
- Port Count: 1
- Connector Type: SC
- Mode: Multi-mode
- Wavelength: 850 nm
- TX Output Power: 0 to -5 dBm
- RX Sensitivity: -5 to -20 dBm
- Typical Distance: 5 km

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

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

Environmental Conditions:
- 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)

Reliability & Durability:
- Shock Resistance: IEC60068-2-27
- Vibration Resistance: IEC60068-2-6
- Free Fall Test: IEC60068-2-31

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### 4. Functionality

The ISC-1310FR-MM-SC functions as a serial-to-fiber media converter, bridging traditional serial communication devices with modern fiber-optic networks. It converts electrical serial signals (RS-232/422/485) into optical signals for transmission over fiber, significantly extending communication distance and improving noise immunity.

Operational Modes:
- Point-to-Point Mode: Connects two serial devices over fiber for long-distance communication.
- Ring Mode: Enables a redundant fiber ring network, ensuring continuous operation even if one fiber link fails.

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

Compatibility:
- Compatible with standard RS-232, RS-422, and RS-485 devices such as PLCs, HMIs, sensors, and controllers.
- Supports Modbus protocol conversion for industrial communication interoperability.

Configuration:
- DIP switches allow selection of serial mode (RS-232/422/485), ring function, and termination resistors.
- LED indicators provide visual feedback for power, data transmission, and ring status.

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### 5. Components & Accessories

Included in Package:
- ISC-1310FR-MM-SC unit × 1
- DIN-Rail mounting kit × 1
- Wall-mount kit × 1
- Quick Installation Guide × 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 Port: DB9 male
- Power Input: 4-pin terminal block
- Fiber Port: SC connector

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### 6. Installation & Setup

Mounting Options:
- DIN-Rail Mounting: The converter includes a DIN-rail kit for quick installation in control cabinets or industrial racks.
- Wall Mounting: A wall-mount kit is provided for fixed installations on panels or enclosures.

Power Connection:
- Connect dual DC power sources (12–48 VDC) to the 4-pin terminal block for redundancy.
- The device automatically switches to the secondary power input if the primary fails.

Fiber Connection:
- Use SC-type multi-mode fiber cables (850 nm) for up to 5 km transmission.
- Ensure proper fiber polarity (TX to RX, RX to TX) between connected devices.

Serial Configuration:
- Set the serial mode (RS-232/422/485) using DIP switches.
- Configure termination resistors and biasing as required for RS-485 networks.
- Select auto or manual baud rate mode depending on system requirements.

Ring Mode Setup:
- Enable ring mode via DIP switch for redundant fiber topology.
- Connect multiple ISC-1310FR units in a closed loop to form a ring network.
- The system automatically detects and maintains communication paths.

LED Indicators:
- Power (PWR): Green ON indicates normal operation.
- Auto Baud Rate: Green indicates auto mode; orange indicates data reception.
- TX/RX: Green LEDs indicate serial data transmission and reception.
- RING: Green ON indicates active ring mode operation.

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### 7. Performance & Capabilities

Data Transmission:
- Supports serial data rates from 50 bps to 921.6 kbps.
- Maintains stable communication across extended distances via optical fiber.

Ring Mode Performance:
- Provides network redundancy and fault tolerance.
- Maximum supported nodes per ring 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.
- Optical transmission minimizes electromagnetic interference (EMI) and signal degradation.

Limitations:
- Multi-mode fiber limits transmission distance to 5 km; for longer distances, the single-mode variant (ISC-1310FR-SS-SC) supports up to 40 km.
- Ring mode node count decreases at higher baud rates due to bandwidth constraints.

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### 8. Standards & Compliance

Electromagnetic Compatibility (EMC):
- FCC Part 15B (Class B)
- CISPR 32 (EN55032 Class B)

Electromagnetic Susceptibility (EMS):
- EN61000-4-2: Electrostatic Discharge (ESD)
- EN61000-4-3: Radiated Susceptibility (RS)
- EN61000-4-4: Electrical Fast Transient (EFT)
- EN61000-4-5: Surge Immunity
- EN61000-4-6: Conducted Susceptibility (CS)
- EN61000-4-8: Power Frequency Magnetic Field
- EN61000-4-11: Voltage Dips and Interruptions

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

Ingress Protection:
- IP30-rated enclosure for protection against solid objects and mechanical impact.

Safety & Reliability:
- Designed for continuous operation in industrial environments with redundant power and robust construction.

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### 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 channels.
- Technical support provided via email, phone, and online resources.

Maintenance Recommendations:
- Periodically inspect fiber connectors for dust or contamination.
- Verify power supply redundancy and cable integrity.
- Ensure proper grounding and shielding in high-EMI environments.

Ordering Information:
- ISC-1310FR-MM-SC: RS-232/422/485 to Fiber, SC, Multi-mode, 5 km, 850 nm
- ISC-1310FR-SS-SC: RS-232/422/485 to Fiber, SC, Single-mode, 40 km, 1310 nm
- ISC-1310FR-MM-ST: RS-232/422/485 to Fiber, ST, Multi-mode, 5 km, 850 nm
- ISC-1310FR-SS-ST: RS-232/422/485 to Fiber, ST, Single-mode, 40 km, 1310 nm

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### Summary

The ORing ISC-1310FR-MM-SC is a high-performance, industrial-grade serial-to-fiber converter engineered for demanding environments requiring reliable, long-distance serial communication. Its multi-interface serial support, redundant ring topology, and rugged IP30 metal housing make it ideal for automation, transportation, and utility applications. With dual power inputs, wide temperature tolerance, and compliance with international EMC/EMS standards, it ensures continuous, interference-free operation in mission-critical networks.

Compact, efficient, and versatile, the ISC-1310FR-MM-SC delivers a robust solution for extending and protecting serial communication links over optical fiber infrastructure.