10/100BASE-TX to 100BASE-FX (SC) 2 Km Multimode-mode Media Converter
DFE-855MI
- Product Status (Revision Series datasheet v20): Live
 
- Built-in a 2-port switch that supports modified cut-through frame forwarding packet forwarding system.
 - Supports bandwidth control
 - Supports IEEE802.3u 100BASE-TX, 100BASE-FX (Fast Ethernet, 100Mbps)
 - Built-in 128KB RAM data buffer
 - Supports auto MDI-MDIX function
 - Supports far end fault function
 - LED display for link/activity, full/half, 10/100M
 - Longest transmission up to distance 120 km
 - Easy Management
 
Where to buy
Seamless Media Conversion 
Seamlessly integrate new fiber technology into existing network infrastructure with the D-Link DFE Series Media Converters to support a wide range of new applications and technologies and future-proof your network. Convert copper connections to fiber optic links leveraging existing cabling while avoiding costly across-the-board upgrades.

Copper to Fiber Conversion
The D-Link DFE Media Converters support a large variety of optical fiber types including multi-mode, single-mode or single-strand fiber cable. In addition, the DFE Series supports a wide range of connection distances to suit the needs of specific Ethernet to fiber applications.

            Specification
| Cable | MM Fiber / Twist Pair | 
|---|---|
| Transmission Type | 10/100M FDX/HDX | 
| MTBF | >3 years | 
| BER | <1E - 8 | 
| Data Buffer | 128 kb | 
| Power Temperature Variation | 0.2nm/°C | 
| Operating Temperature | 0°C - 50°C | 
| Storage Temperature | -45° C to 80° C | 
| Humidity | 5% to 90% non - condensing | 
| EMC | CE / FCC Part15 | 
| Size | 94 × 70 × 26 mm |