Industrial 10/100Mbps Fiber Optic Network Switch
Technical Data
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Product Name
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10/100Mbps Industrial Fiber Switch(1F+2TP)
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Model No.
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IM-FS120FE
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Port
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1x100M SFP Fiber
SM: 1310nm/1550nm, 20Km; 1490nm/1550nm, 40~120Km
MM: 1310nm, 2Km; 850nm, 500-meter
2x10/100M UTP RJ45(Support MDI/MDIX auto-sensing)
1x6-PIN Power Terminal Block
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Protocol
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IEEE 802.3(10Base-T)
IEEE 802.3u(100Base-TX)
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Switching Features
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Transmission mode: storage and forward
Forwarding delay: <10us
System bandwidth: 0.6Gbps (non-traffic jam)
Forwarding rate: 0.4464Mmps
MAC: 4K
Packet buffer size: 1.75Mb
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Network Media
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10BASE-T: CAT3, CAT4, CAT5 un-shielded twisted pair(≤100m)
100BASE-TX: CAT5 or above shielded twisted pair(≤100m)
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LEDs
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Power, Fiber, Network, PoE
PWR: Power
Fiber: FX1
On: transmission is normal
Off: transmission is NOT normal(faulty optical module or disconnected)
Copper orange: PoE indicator
On: PoE is working
Off: PoE is not working or this is Non-PoE device
Copper green: Speed indicator
On: transmission speed is 100Mbps
Blinking: in transmission
Off: Disconnected or working speed is 10Mbps
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Power Consumption
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Full loading≤5W
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Power Supply
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Redundant DC12V~DC52V input, typically DC12V/DC24V/DC48V
Reverse connection: support
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Environment
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Working temperature: -40°C～75°C
Storage temperature: -40°C～85°C
Working humidity: 10%～90%, non-condensing
Storage humidity: 10%～95%, non-condensing
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Industry Standards
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ESD: IEC61000-4-2, ±15KV air, ±6KV contact
EFT: IEC61000-4-4, General ±6KV
Surge: IEC61000-4-5, Differential ±2KV, Common±6KV
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Certification
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CE-EMC: EN 55032:2015+AC: 2016+A1:2020+A11: 2020
EN 55035:2017+A11: 2020/EN IEC 61000-3-2:2019/A1: 2021
EN 61000-3-3: 2013/A2: 2021/AC:2022
CE-LVD: EN IEC 62368-1: 2020+A11:2020
FCC: 47 CFR FCC Part 15 Subpart B(Class B) ANSI C63.4: 2014
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Mechanical information
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Shell: Corrugated metal shell, IP40 grade level
Dimension: 114*93*35mm
Mounting method: Din-rail/Wall mounting
Weight: 0.35Kg/0.45Kg(Net/Gross)
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Warranty
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3 years, lifetime technical support
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What It Is
IM-FS120FE is a compact, non-managed industrial Ethernet switch built for simple device interconnection where reliability matters more than configuration.
It is designed to act as a fiber-to-copper bridge in small industrial networks, extending Ethernet communication from local devices to long-distance fiber backbones without introducing management complexity.
There is no software interface, no configuration process, and no learning curve.
Once powered, it starts forwarding traffic immediately.
This makes it ideal for industrial sites where networks are fixed, device counts are small, and long-term unattended operation is required.
What It Connects
The switch combines one Fast Ethernet SFP fiber port with two 10/100 Mbps RJ45 copper ports.
The fiber interface supports a wide range of optical distances—from short-range multimode links to long-haul single-mode connections reaching up to 120 km, depending on the optical module.
The copper ports automatically negotiate speed, duplex mode, and MDI/MDIX, allowing direct connection to legacy industrial devices without special cabling.
Together, this layout enables seamless integration between field-level Ethernet devices and centralized fiber networks.
How It Handles Traffic
IM-FS120FE uses a store-and-forward switching mechanism, ensuring that corrupted or invalid packets are filtered before forwarding.
Flow control is applied automatically:
IEEE 802.3x in full-duplex mode
Back pressure in half-duplex mode
This prevents packet loss and maintains stable communication during traffic bursts, even when connected devices operate at different speeds.
The switch fully complies with Fast Ethernet standards, ensuring compatibility with existing industrial controllers and sensors.
How It Survives Industrial Conditions
The device is built for continuous operation in harsh environments.
Its rugged metal enclosure provides IP40 protection against dust and mechanical impact.
It operates reliably across a wide temperature range from -40°C to +75°C, with extended tolerance during storage.
Electrical protection is built into the Ethernet interfaces, including high-level surge resistance and immunity against electrostatic discharge and electromagnetic interference.
This allows stable operation near heavy machinery, power equipment, and outdoor installations.
Power & Installation Philosophy
The switch accepts a wide DC voltage input (12–52 V), making it compatible with diverse industrial power systems.
Reverse polarity protection reduces the risk of wiring errors during installation.
Low power consumption keeps thermal output minimal, supporting fanless operation and long component life.
Its compact form factor and DIN-rail mounting design allow easy installation inside control cabinets, roadside enclosures, and industrial panels.
What It Does Not Do (Intentionally)
IM-FS120FE does not provide:
Network management interfaces
Configuration options
Firmware tuning or policy control
These limitations are deliberate.
By removing software complexity, the switch achieves higher predictability, lower maintenance requirements, and greater long-term stability.
It is designed to work continuously, not to be adjusted.
Where It Fits Best
Small Industrial Device Networks
Used to connect PLCs, sensors, controllers, and basic industrial equipment to fiber backbones in workshops, production lines, and compact industrial sites.
Transportation & Traffic Systems
Installed in roadside cabinets, rail-side communication points, and traffic control systems where fiber distance and environmental resistance are critical.
Energy & Utility Monitoring
Deployed in substations, water treatment facilities, and remote monitoring stations to bridge field devices to central control rooms over fiber.
Harsh Industrial Environments
Suitable for mining, petrochemical, and metallurgical sites where dust, temperature extremes, and electrical interference are common.
Fiber Extension for Legacy Ethernet
Extends the reach of copper-based industrial devices beyond the 100-meter limitation by converting Ethernet signals to long-distance fiber links.
Why This Model Exists
IM-FS120FE is not designed to manage networks.
It is designed to keep them connected.
For industrial environments where simplicity, durability, and long service life are the real priorities,
this switch fits naturally into the infrastructure.
Size
FAQ
1 Q: What is your lead time?
A:It usually takes 2~4 working days to produce and then will send goods.
2 Q: How will you send my goods?
A: We will send the goods by DHL, TNT, UPS or FEDEX, please check the delivery details by the tracking number.
3 Q: Please tell me something about your MOQ
A: Our MOQ is 1 Pcs/Pair based on USD or EUR terms.
4 Q: Something about pricing.
A: Good quality components for our products. Low prices for big and repeat orders.
