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

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### 1. Product Overview

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

The ISC-1310FR-SS-ST is a rugged, industrial-grade serial-to-fiber media converter designed to extend serial communication over long distances using optical fiber. It supports RS-232, RS-422, and RS-485 serial interfaces and converts them to a single-mode fiber connection operating at 1310 nm wavelength with an ST connector. The device is part of ORing’s ISC-1310FR family, which includes both single-mode and multi-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 is housed in a compact IP-30-rated metal enclosure, supports DIN-rail and wall mounting, and operates over a wide temperature range (-40°C to +75°C). Dual redundant 12–48 VDC power inputs ensure continuous operation even under unstable power conditions.

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### 2. Key Features

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

- Fiber Connectivity:
One single-mode fiber port with ST connector, operating at 1310 nm wavelength, supporting transmission distances up to 40 km.

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

- Wide Baud Rate Range:
Auto or manual baud rate selection from 50 bps to 921.6 kbps.

- Industrial-Grade Design:
- IP-30-rated metal housing for mechanical protection.
- Extended temperature range (-40°C to +75°C).
- Shock, vibration, and free-fall tested per IEC60068 standards.

- Dual Power Inputs:
Redundant 12–48 VDC power supply with overload current protection (2 A).

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

- Compact Form Factor:
Slim design (26.1 × 70 × 95 mm) suitable for space-constrained control cabinets.

- Ease of Configuration:
DIP switches for mode selection, ring enablement, and termination resistor settings.

- High Reliability:
Designed for continuous operation in industrial automation, transportation, and energy systems.

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### 3. Technical Specifications

General Specifications:
- Model: ISC-1310FR-SS-ST
- Converter Type: Serial (RS-232/422/485) to Fiber
- Fiber Mode: Single-mode
- Fiber Connector: ST
- Wavelength: 1310 nm
- Transmission Distance: Up to 40 km

Serial Port:
- Connector: DB9 male
- 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
- Mode: Single-mode
- Wavelength: 1310 nm
- TX Output Power: 0 to -5 dBm
- RX Sensitivity: -5 to -20 dBm
- Typical Distance: 40 km

Power:
- Input Voltage: Dual DC inputs, +12 to +48 VDC via 4-pin terminal block
- Power Consumption: Typical 1.6 W
- Overload Protection: 2 A

Physical Characteristics:
- Enclosure: IP-30-rated metal housing
- Dimensions (W × D × H): 26.1 × 70 × 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 (Receive): Orange (data reception)
- TX (Transmit): Green (data transmission)
- Ring Mode: Green (ring topology active)

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### 4. Functionality

The ISC-1310FR-SS-ST functions as a serial-to-fiber converter, enabling long-distance communication between serial devices by converting electrical serial signals into optical signals. It supports RS-232, RS-422, and RS-485 protocols, making it compatible with a wide range of industrial equipment such as PLCs, sensors, controllers, and SCADA systems.

Operation Principle:
- The device receives serial data through its DB9 port.
- The data is converted into optical signals and transmitted over single-mode fiber.
- On the receiving end, another ISC-1310FR unit converts the optical signal back to serial form.

Ring Mode Operation:
- When configured in ring mode, multiple ISC-1310FR units can form a redundant fiber ring network.
- If a fiber link fails, communication automatically reroutes through the alternate path, ensuring continuous data flow.

Use Cases:
- Industrial automation and control systems
- Power and energy monitoring networks
- Intelligent transportation systems (ITS)
- Oil, gas, and mining communication infrastructure
- Remote serial device networking over long distances

Compatibility:
- Compatible with standard serial communication protocols (RS-232/422/485).
- Supports Modbus RTU conversion and transmission over fiber.
- Works with both single-mode fiber networks and standard industrial power supplies.

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### 5. Components & Accessories

Included in Package:
- ISC-1310FR-SS-ST unit × 1
- DIN-rail mounting kit × 1
- Wall-mount kit × 1
- Quick Installation Guide × 1

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

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

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### 6. Installation & Setup

Mounting Options:
- DIN-Rail Mounting:
The converter can be easily attached to a standard 35 mm DIN rail using the included kit, ideal for control cabinets and industrial panels.
- Wall Mounting:
Optional wall-mount brackets allow installation on flat surfaces.

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

Configuration:
- DIP Switches:
Used to select serial mode (RS-232/422/485), enable ring mode, and configure termination resistors.
- Baud Rate:
Can be set manually or automatically detected (50 bps to 921.6 kbps).
- Ring Mode Setup:
Activate via DIP switch; connect fiber ports in a closed loop to form a ring topology.

Indicators:
- Verify LED indicators for power, data transmission, and ring status during setup.

Environmental Considerations:
- Install in a dry, dust-free environment within the specified temperature range.
- Ensure adequate ventilation for heat dissipation.

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### 7. Performance & Capabilities

Data Transmission:
- Supports full-duplex and half-duplex communication depending on serial mode.
- Maintains stable data transfer up to 921.6 kbps.

Fiber Communication:
- Single-mode fiber transmission up to 40 km ensures reliable long-distance connectivity.
- Optical performance: TX output 0 to -5 dBm, RX sensitivity -5 to -20 dBm.

Ring Network Performance:
- Provides redundancy and fault tolerance in ring topology.
- Node capacity varies with baud rate:
- 32 nodes @ 115.2 kbps
- 24 nodes @ 230.4 kbps
- 11 nodes @ 460.8 kbps
- 6 nodes @ 921.6 kbps

Power Efficiency:
- Low power consumption (1.6 W typical) minimizes heat generation and energy use.

Reliability:
- Designed for continuous 24/7 operation in industrial environments.
- Dual power inputs prevent downtime due to power source failure.

Limitations:
- Single serial port (1-port model).
- Fiber ring limited to maximum 32 nodes depending on baud rate.
- Requires paired converter for end-to-end communication.

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### 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 (Power Frequency Magnetic Field)
- EN61000-4-11 (Voltage Dips and Interruptions)

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

Ingress Protection:
- IP-30 rating for protection against solid objects and mechanical impact.

Safety & Reliability:
- Designed and tested for industrial-grade performance and compliance with international standards.

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### 9. Additional Information

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

Support & Maintenance:
- ORing provides technical documentation, quick installation guides, and firmware updates as applicable.
- Technical support available through authorized distributors and ORing’s support channels.

Maintenance Recommendations:
- Periodically inspect fiber connectors for dust or contamination.
- Verify LED indicators for normal operation.
- Ensure power redundancy is maintained.
- Keep firmware and configuration documentation updated.

Product Variants in ISC-1310FR Series:
- 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
- ISC-1310FR-SS-ST: Single-mode, ST connector, 40 km @ 1310 nm (this model)

Ordering Information:
- Model Code: ISC-1310FR-SS-ST
- Description: Industrial Serial Media Converter, 1-port RS-232/422/485 to Fiber, ST, single-mode, 40 km @ 1310 nm
- Part Number: ISC-1310FR-SS-ST

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### Summary

The ORing ISC-1310FR-SS-ST is a high-performance, industrial-grade serial-to-fiber converter engineered for reliable data transmission in demanding environments. Supporting RS-232, RS-422, and RS-485 interfaces, it extends communication distances up to 40 km over single-mode fiber using an ST connector. Its ring mode capability provides network redundancy, ensuring uninterrupted communication even in the event of a fiber break.

With dual 12–48 VDC power inputs, IP-30 metal housing, and wide temperature tolerance (-40°C to +75°C), the ISC-1310FR-SS-ST is ideal for industrial automation, transportation, energy, and remote monitoring applications. Compliance with FCC, EN55032, and IEC60068 standards ensures electromagnetic and mechanical robustness.

Backed by a 5-year warranty, this converter delivers long-term reliability, flexible configuration, and seamless integration into modern industrial communication networks.