BLACK BOX 

BLACK BOX LMC403A FST ETH MED CONV 10/100/1000MBPS COP TO 100MBPS SM

Mfg Part Number:  LMC403A  
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Price: $367.53
Quantity:
In Stock/Mfg Direct Ship
Last Updated: Aug 25, 2026
No Sales Tax except these states
, PO and Wire.

The Micro Mini Media Converter is ideal for bringing fiber to the desktop and for mobile applications where light weight, compact size, and low power requirements are critical.

Weighing only 2.5 ounces and about the length of a house key, this ultra-compact media converter is portable yet powerful. For extra versatility, it can be USB-powered, making it easy to provide fiber connectivity to locations where AC or DC power is unavailable, for instance, field-deployed fiber-to-the-laptop. For easy portability, this tiny converter conveniently slips into a pocket or laptop carrying case.

The converter is plug-and-play with an RJ-45 port that autonegotiates for speed, duplex mode, and crossover functions for PCs with 10BASE-T, 100BASE-TX, and 1000BASE-T Ethernet. On the fiber side, the converter has an ST connector for connection to single-mode fiber.

Because it can be powered through a computer's USB 1.0 or 2.0 port, the Micro Mini Media Converter is ideal for connections to fiber in areas where a spare power outlet may not be available. When plugged into a computer's USB port, the media converter shuts down automatically when you turn off the computer, which saves energy.

Main Specification
General Information
Manufacturer Black Box Corporation
Manufacturer Part Number LMC403A
Manufacturer Website Address http://www.blackbox.com
Brand Name Black Box
Product Model LMC403A
Product Name LMC403A Tanscevier Media Converter
Product Type Transceiver/Media Converter
Interfaces/Ports
Total Number of Ports 2
Network (RJ-45) Yes
DVI No
USB Yes
Management Port No
Number of Network (RJ-45) Ports 1
Number of ST Ports 1
ST Port Type Duplex
Media & Performance
Media Type Supported Optical Fiber
Media Type Supported Twisted Pair
Fiber Mode Supported Single-mode
Fiber Optic Cable Wavelength 1310 nm
Maximum Distance Supported 30 km
Network & Communication
Ethernet Technology Gigabit Ethernet
Network Technology 10/100/1000Base-T
Network Technology 1000Base-X
Network Technology 100Base-FX
Network Technology 10/100Base-TX
Power Description
Power Source Power Supply
Physical Characteristics
Form Factor Standalone
Form Factor Wall Mountable
Height 0.8"
Width 1.8"
Depth 2.3"
Weight (Approximate) 2.50 oz
Miscellaneous
Environmentally Friendly Yes
Country of Origin United States
TAA Compliant Yes
Warranty
Limited Warranty 2 Year
WARNING:: The plastic used in cable products can expose you to lead and lead components, chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to www.P65Warnings.ca.gov
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