Fast Ethernet Media Converters

Explore our range of Fast Ethernet Media Converters, including 10/100M media converters, fiber to ethernet converters, and industrial media converters. Designed for security communications and PoE applications, these devices ensure reliable data transmission. Wanglink factory-direct solutions offer robust performance and cost-effective options for your network infrastructure.

Explore All Fast Ethernet Media Converters

Unmanaged Media Converter RJ45 to Fiber, 4-Port Fast Ethernet, 2 SC Fiber Ports, 1.25Gbps, Plug-and-Play, Metal Case for Industrial & Commercial Use

Convert 4 RJ45 10/100M ports to 2 fiber connections up to 120km. Plug-and-play setup, metal housing, stable operation. Ideal for extending network reach in surveillance, office, or industrial environments.

CL204
Port Description

4 x 10/100M RJ45 ports (Auto-MDI/MDI-X, half/full duplex), 2 x 1.25G SC/FC/ST/SFP fiber ports
  • 4 RJ45 10/100M ports + 2 fiber 1.25G ports in one compact unit
  • True plug-and-play – zero configuration required
  • Supports multi-mode up to 2km or single-mode up to 120km
  • Metal housing with natural heat dissipation for 24/7 operation
  • Jumbo frame support up to 10K for efficient data transfer
  • Auto MDI/MDI-X and duplex negotiation on all copper ports









Extend Your Copper Network Over Long Distances

This media converter rj45 to fiber bridges the gap between standard twisted-pair Ethernet and fiber optic cabling. It gives you four 10/100Mbps RJ45 ports for local devices and two 1.25Gbps SC/FC/ST/SFP fiber ports to connect remote sites. No configuration is needed—just plug in your cables and power, and the link is live. The metal casing handles heat naturally, so the unit stays stable even in a warm cabinet or on a factory floor.

For IT administrators managing multi-building campuses or security teams running IP cameras across long distances, this box solves the 100-meter copper limit. You can push data up to 120 kilometers over single-mode fiber while keeping the same plug-and-play simplicity. The store-and-forward switching with 10K jumbo frame support ensures smooth throughput for large file transfers or video streams.

Why Choose This Media Converter

  • Directly connects your existing 10/100Base-TX devices to 1000Base-SX/LX fiber trunks
  • Auto-negotiation on all RJ45 ports handles half/full duplex and MDI/MDI-X automatically
  • Two fiber ports allow daisy-chaining or redundant uplinks without extra hardware
  • Low power consumption under 3W keeps operating costs minimal
  • Industrial temperature range (-20°C to 60°C) fits outdoor cabinets and unheated warehouses

Whether you’re extending a network for a small office, linking surveillance cameras across a parking lot, or connecting two buildings in a campus, this media converter rj45 to fiber does the job without extra software or IT time. Simply plug in and forget—it’s built to run.

Standards: IEEE802.3 10Base-T, IEEE802.3u 100Base-TX, IEEE802.3ab 1000Base-T, IEEE802.3z 1000Base-SX/LX, IEEE 802.3x flow control

Fiber Ports: 2 x SC/FC/ST/SFP, 1.25Gbps, multi-mode 850nm/1310nm (550m-2km), single-mode 1310nm/1550nm/1490nm (2-120km)

Copper Ports: 4 x RJ45, 10/100Mbps auto-negotiate, 10Base-T ≤250m, 100Base-TX ≤100m

Switching: Store-and-forward, wire-speed forwarding, MAC table 2K, buffer 512Kbit, bandwidth 4.8G non-blocking, packet forwarding rate 3.6Mpps@64byte

LED Indicators: PWR (green), FX1/FX2 (green), Link/Act 1X-4X (green)

Power: DC5~12V input, ≤3W consumption

Environment: Operating -20°C~60°C, storage -40°C~85°C, humidity 5%~95% non-condensing

Physical: 89×68×25mm, 0.2kg, metal case, natural dissipation


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