Below is a detailed, comprehensive product summary for IMC-121FB-SS-SC, structured exactly as requested.
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1. Product Overview
• Product Name: Industrial Ethernet-to-Fiber Media Converter
• Model: IMC-121FB-SS-SC
• Series: IMC-121FB Series
• Article Number: IMC-121FB-SS-SC
• Manufacturer: ORing Industrial Networking
• Product Type: Industrial mini-type media converter, ruggedized, IP‑30 rated, DIN‑rail mountable, extended‑temperature Ethernet-to-fiber converter
• Description: 2-port 10/100Base-T(X) to 1-port 100Base-FX single‑mode fiber media converter supporting wide voltage input, dual power, alarm output, and harsh‑environment operation

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2. Key Features
• Supports 2× 10/100Base‑T(X) Ethernet copper ports
• Auto-negotiation for 10/100 Mbps and auto-MDI/MDI‑X
• Provides 1× 100Base‑FX single‑mode SC fiber port (30 km, 1310 nm)
• Rugged industrial design with IP‑30 metal housing
• Compact “mini-type” slim profile suitable for space‑restricted panels
• Extended operating temperature range from −40°C to +70°C
• Alarm relay output for fault indication (configurable)
• Dual DC power input for redundancy (12–48 VDC)
• Reverse polarity protection and overload current protection
• DIN‑rail and wall‑mount installation options
• Low power consumption (~4.5 W typ.)
• Ideal for extended‑distance fiber links up to 30 km
• High reliability for industrial automation, surveillance networks, transportation, and utility applications
• Clear LED indicators for power, link/activity, and duplex/collision
• Compliance with EMC, EMI, and safety industry standards
• 5-year manufacturer warranty

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3. Technical Specifications
Physical Ports:
• Copper Ports: 2× 10/100Base‑T(X) RJ45
• Fiber Port: 1× 100Base‑FX, single‑mode, SC connector
• Fiber Specifications:
– Mode: Single‑mode (SS)
– Wavelength: 1310 nm
– Distance: Up to 30 km
– Connector: SC

Electrical:
• Input Voltage: Dual 12–48 VDC (4‑pin terminal block)
• Power Consumption: Typ. 4.5 W
• Protection:
– Overload current protection
– Reverse polarity protection on terminal block
• Alarm Relay Out: Supported (configurable)

Mechanical / Housing:
• Enclosure: IP‑30 metal industrial casing
• Dimensions:
– Width: 26.1 mm
– Depth: 70 mm
– Height: 95 mm
(1.03 × 2.76 × 3.74 inches)
• Weight: Approx. 210 g
• Mounting: DIN‑rail or wall‑mount

Environmental:
• Operating Temperature: −40°C to +70°C
• Storage Temperature: −40°C to +85°C
• Operating Humidity: 5–95% non‑condensing

LED Indicators:
• Power: 2 × Green LEDs
• Copper Ports:
– Green: Link/Activity
– Amber: Duplex/Collision
• Fiber Port: Green for fiber Link/Act

Standards Compliance:
• Ethernet: IEEE 802.3 (10Base‑T), IEEE 802.3u (100Base‑T(X)/FX)

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4. Functionality
Overview:
The IMC‑121FB‑SS‑SC functions as an Ethernet‑to‑fiber media converter designed for industrial applications requiring long‑distance, noise‑immune communication. It allows copper-based Ethernet devices to connect to fiber networks, extending transmission distance and enhancing signal integrity.

How It Works:
• Converts electrical Ethernet signals from two 10/100Base‑T(X) ports into optical signals transmitted over 100Base‑FX single‑mode fiber.
• Supports auto-negotiation and auto‑MDI/MDIX, ensuring plug‑and‑play copper connectivity without manual crossover cables.
• Fiber port provides stable long‑range communication up to 30 km, ideal for wide‑area industrial installations.
• Dual power inputs provide redundancy, preventing network outages if one power source fails.
• Alarm relay provides hardware-level alerts for power or link issues.

Use Cases / Applications:
• Industrial automation networks
• Transportation and railway communication systems
• Utility and energy sector networks (substations, SCADA)
• Outdoor or remote surveillance systems
• Oil & gas, mining, and heavy industrial environments
• Factory data acquisition systems
• EMC-intensive environments where copper transmission is unreliable
• Long-range data backbones requiring ≥30 km communication

Compatibility:
• Compatible with any IEEE 802.3/802.3u Ethernet equipment
• Fits into standard industrial control panels
• Works with single-mode SC fiber infrastructure

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5. Components & Accessories
Included Components (Packing List):
• IMC‑121FB‑SS‑SC media converter ×1
• Wall‑mount kit ×1
• DIN‑rail kit ×1
• Quick Installation Guide ×1

Optional Accessories:
• DR‑45 Series: 45‑watt DIN‑rail industrial power supply
• DR‑75 Series: 75‑watt DIN‑rail industrial power supply
• DR‑120 Series: 120‑watt DIN‑rail industrial power supply

Connectors:
• 2× RJ45 copper ports
• 1× SC fiber-optic port
• 4‑pin terminal block for power input and relay output

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6. Installation & Setup
Requirements:
• 12–48 VDC power input (dual inputs recommended)
• DIN‑rail or suitable wall-mount location
• Proper single‑mode SC fiber infrastructure for 1310 nm links
• Ethernet cabling (Cat5e or higher)

Mounting Options:
• DIN‑rail mounting using included kit
• Wall-mounting using included bracket

Configuration:
• Plug‑and‑play for Ethernet and fiber links
• No software configuration required
• Alarm relay configuration via terminal block
• LED indicators guide basic diagnostics

Setup Steps (Typical):
1. Mount device onto DIN‑rail or wall surface.
2. Connect dual power sources to terminal block for redundancy.
3. Connect fiber cable to SC port.
4. Connect copper cables to RJ45 ports.
5. Verify status through LED indicators.

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7. Performance & Capabilities
Speed:
• Supports 10/100 Mbps on copper ports
• Provides 100 Mbps over fiber (100Base‑FX)

Capacity and Throughput:
• Wire‑speed performance for 100Base‑FX
• Auto‑negotiation ensures optimal speed and duplex

Efficiency:
• Low 4.5 W typical power consumption
• Heat-efficient compact enclosure suitable for continuous operation

Limitations:
• Fiber link limited to 100 Mbps (100Base‑FX standard)
• Single fiber port (1× FX)
• Transmission distance fixed at 30 km (single-mode specifications)

Reliability:
• Suitable for harsh conditions with −40°C to +70°C operating range
• Mechanical stabilizers and anti‑shock design via IP‑30 casing
• Power redundancy reduces downtime

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8. Standards & Compliance
Ethernet Standards:
• IEEE 802.3 (10Base‑T)
• IEEE 802.3u (100Base‑T(X), 100Base‑FX)

EMI / EMC Compliance:
• FCC Part 15 Class A
• CISPR EN55022 Class A

EMS Immunity Standards:
• EN61000‑4‑2 (ESD)
• EN61000‑4‑3 (RS)
• EN61000‑4‑4 (EFT)
• EN61000‑4‑5 (Surge)
• EN61000‑4‑6 (CS)
• EN61000‑4‑8
• EN61000‑4‑11

Environmental & Mechanical Standards:
• Shock: IEC60068‑2‑27
• Vibration: IEC60068‑2‑6
• Free Fall: IEC60068‑2‑32

Safety:
• EN60950‑1

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9. Additional Information
Warranty:
• 5‑year manufacturer warranty

Support:
• ORing provides industrial networking support, documentation, and user guides

Maintenance:
• No moving parts; low maintenance
• Occasional inspection of fiber connectors recommended
• Check power redundancy regularly

Firmware / Updates:
• No firmware required for basic operation (device is hardware‑based)
• Updates only if released by manufacturer for specific revisions

Lifecycle & Reliability Notes:
• Designed for long‑term deployments in critical environments
• Stable operation in demanding conditions such as high vibration, temperature extremes, and electrically noisy environments

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