This device is an industrial-grade 1-port 100Base-T to 100Base-FX fiber converter, which is designed for long-distance (20/40/60/80/120 kilometers) transmission in fiber optic networks. It features 1 100Mbps fiber port and 1 100Mbps Ethernet copper port. It is equipped with comprehensive alarm functions and offers stable and reliable operation, low power consumption, high integration, and a compact form factor.
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Industrial Unmanaged Fast Ethernet Fiber Media Converter
This device is an industrial-grade 1-port 100Base-T to 100Base-FX fiber converter, which is designed for long-distance (20/40/60/80/120 kilometers) transmission in fiber optic networks.
Overview
Features
● This device is designed specifically for harsh industrial environments.
● The device provides 1 100Mbps Ethernet electrical port and 1 100Mbps optical port.
● The ethernet interface (RJ45) supports 10/100Mbps auto-negotiation, full/half duplex mode, and MDI/MDI-X auto-detection.
● The optical interface supports multi-mode dual-fiber, single-mode dual-fiber, and single-mode single-fiber transmission modes, with optional SC/ST/FC/LC interfaces.
● It has a built-in 512Kbits high-speed cache to prevent video transmission stuttering caused by rapid changes in monitoring scenes.
● It supports VLAN transmission of oversized data packets and can be used in conjunction with switches that support the IEEE 802.1Q protocol, supporting Ethernet frames with a maximum size of 1916 bytes.
● It supports internal isolation and redundant dual power inputs.
● It accepts a wide range of power inputs, from 9V to 55V AC and DC.
● The power supply has overload protection and reverse connection protection.
● It complies with industrial EMC requirements.
● It has strong lightning protection capabilities, including protection against lightning strikes, high voltage induction, and surges.
● The device features fanless high-efficiency heat dissipation, reducing repair time.
● The housing is made of anodized aluminum alloy and has an IP40 protection rating, capable of withstanding harsh environmental conditions.
● It can be installed on a DIN rail or wall-mounted.
● It is designed for wide temperature ranges, from -40°C to +85°C.
● The device has passed 100% burn-in testing and has a 5-year warranty.
Parameters
● Fiber
Fiber Type: Single/Dual fiber
Fiber Interfaces: FC/SC/ST/LC (SFP)
Wavelength: 850nm/1310nm (Multi-mode); 1310nm/1550nm (Single-mode)
Non-Relay Transmission Distance: 20~120km
Typical Transmit Power:
Single-mode 1310/1550nm: ≥-9dBm
Multi-mode 850nm: -18dBm
Multi-mode 1310nm: -25dBm
Receive Sensitivity Range: -28dBm to -40dBm
● Ethernet Interface (10/100M)
Protocol: IEEE 802.3, IEEE 802.1Q (VLAN)
Rate: 10/100Mbps adaptive, full/half duplex auto-negotiation
MAC Address Table: Supports up to 4096 MAC addresses
Physical Interface: RJ45 connector, supports Auto-MDIX (Auto-crossover)
● Working Environment
Working temperature: -40°C ~ 85°C
Working Humidity: 5%~95 % (no condensation)
Storage temperature: -40°C ~ 90°C
Storage Humidity: 5%~95 % (no condensation)
Specifications
|
Model |
FCMG-F1 |
|
Function Description |
Industrial Rail Type FE Fiber Media Converter |
|
Port Description |
1 Fiber port, 1 FE port |
|
Power Supply |
Dual redundant power inputs DC9-48V/AC9-48V, power consumption <10W Overload Protection; Support reverse polarity protection; Support redundancy protection: Support Access Terminal: 4-pin plug-in terminal pitch of 5.08mm |
|
Dimension |
133 X120 X40mm (WXDXH) |
|
Weight |
0.685kg/pcs |
Application

Documentation and project verification — FCMG-F1
Before ordering or wiring, confirm the exact model and configuration, interface pinout, optical or network compatibility, power input and installation conditions. Optional configurations are not interchangeable.
Browse FCTEL technical documents · Request the current model-specific datasheet and wiring diagram
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