Safe checkout
Secure payments
Fast dispatch
1–2 day handling
Free shipping
U.S. ground
Warranty & RMA
Support after delivery
Transition MIL-S3112US MIL-S3112 RJ45 ST 100BFX UTP Media Converter
- Supports 10/100 Mbps Ethernet speeds.
- Converts between UTP (RJ45) and Multimode Fiber (MMF) interfaces.
- Features an ST connector for the fiber optic connection.
- Operates at 1310nm wavelength for the fiber optic transmission.
- Provides a transmission distance of up to 2 kilometers over multimode fiber.
- Includes an auto-negotiation feature on the copper port.
- LED indicators for power, link, and activity status.
- Compact design suitable for various deployment scenarios.
MIL-S3112US isn't on our shelf today — we source it to order. Request a quote and we'll confirm price and lead time within one business day.
Key specifications
See full specs ↓- Model
- MIL-S3112
- SKU
- MIL-S3112US
- Network Speed
- 10/100 Mbps (Fast Ethernet)
- Copper Interface
- 10/100Base-TX (RJ45)
- Fiber Interface
- 100Base-FX (MMF)
- Fiber Connector
- ST
Product details
The Transition MIL-S3112US is a Fast Ethernet media converter that bridges the gap between 10/100 Mbps Ethernet over Unshielded Twisted Pair (UTP) copper cabling and 100 Mbps Fast Ethernet over multimode fiber optic cabling. It features an ST connector for the fiber optic interface.
Technical Information
| Model | MIL-S3112 |
| SKU | MIL-S3112US |
| Network Speed | 10/100 Mbps (Fast Ethernet) |
| Copper Interface | 10/100Base-TX (RJ45) |
| Fiber Interface | 100Base-FX (MMF) |
Additional Specifications
| Fiber Connector | ST |
| Fiber Wavelength | 1310nm |
| Max Fiber Distance | 2 km |
| Power Supply | External (typically included) |
Description
The Transition MIL-S3112US media converter is engineered to provide seamless connectivity between copper Ethernet networks and fiber optic networks operating at Fast Ethernet speeds. It effectively translates the electrical signals from a 10/100Base-TX RJ45 port into optical signals compatible with 100Base-FX multimode fiber, and vice versa. This conversion is crucial for extending network reach beyond the 100-meter limitation of standard copper cabling. The converter features auto-negotiation capabilities on its RJ45 copper port, allowing it to automatically adapt to the connected device's speed and duplex settings. The fiber optic side utilizes a widely adopted ST connector, known for its bayonet-style coupling, and operates at a wavelength of 1310nm. This configuration enables data transmission over multimode fiber for distances up to 2 kilometers, making it suitable for intra-building or campus network extensions. With its robust design and clear LED status indicators, the MIL-S3112US offers a reliable and cost-effective solution for network segmentation, extension, and integration. It is commonly deployed in enterprise environments, educational institutions, and industrial settings to bridge different network segments, enhance network performance, and improve overall network flexibility.
Condition: Refurbished
Free U.S. ground shipping
Typically 1–2 days handling, 3–7 days in transit.
Purchase orders accepted
Government, enterprise, data center and small business.
Buying 10+ units?
Get volume pricing and availability for MIL-S3112US.
