5 Port Hardened Fast Ethernet Fiber Switch
Specification
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Product Name
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10/100Mbps Industrial Fiber Switch(1F+4TP)
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Model No.
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IM-FS140FE
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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
4x10/100M 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: 1Gbps (non-traffic jam)
Forwarding rate: 1.488Mmps
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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Product Overview
IM-FS140FE is a compact, non-managed Fast Ethernet industrial switch designed to aggregate multiple field devices and uplink them over fiber in electrically noisy and environmentally demanding locations.
Compared with ultra-minimal 2-port models, it provides higher edge-device density while still keeping the network architecture simple and deterministic.
The switch focuses on one task only:
reliable Ethernet forwarding between copper-based industrial devices and long-distance fiber networks—without configuration, tuning, or software dependency.
Network Role & Design Intent
IM-FS140FE is typically deployed at the field aggregation layer.
It collects Ethernet traffic from several nearby industrial devices and forwards it upstream through a single fiber link to a control room, substation, or central network cabinet.
The design assumes:
Fixed topology
Predictable traffic patterns
Long-term unattended operation
There are no management interfaces and no behavior changes over time, which eliminates configuration drift and software-related instability.
Interface Layout & Connectivity Logic
The switch combines:
Four Fast Ethernet RJ45 ports for local device access
One Fast Ethernet SFP port for fiber uplink
Copper ports automatically detect speed, duplex, and wiring polarity, allowing direct connection to PLCs, sensors, RTUs, HMIs, and legacy controllers.
The SFP interface supports both multimode and single-mode optics, scaling from short in-cabinet links to long-distance connections up to 120 km.
This layout is well suited for small-to-medium device clusters that must be extended far beyond copper distance limits.
Traffic Handling Characteristics
Packet forwarding is based on a store-and-forward architecture, ensuring frame integrity and protocol compliance.
Flow control mechanisms automatically regulate traffic during congestion:
IEEE 802.3x for full-duplex links
Back pressure for half-duplex operation
Sufficient internal buffering allows the switch to absorb short traffic bursts from multiple devices without packet loss, even when uplink bandwidth is constrained.
Industrial Reliability & Environmental Tolerance
IM-FS140FE is built to operate where commercial switches cannot.
Its metal enclosure provides IP40 protection against dust and physical impact.
The internal design meets industrial EMS requirements, providing resistance against:
Electrostatic discharge
Electrical fast transients
Conducted interference
The switch operates reliably across a –40°C to +75°C temperature range and tolerates high humidity without condensation.
These characteristics allow deployment in control cabinets, roadside enclosures, substations, and semi-outdoor installations.
Power Input & Installation Strategy
A wide-range DC input (12–52 V) enables compatibility with industrial power buses and backup systems.
Reverse polarity protection minimizes installation errors in the field.
Low power consumption supports fanless operation and reduces thermal stress, extending service life.
The compact housing and DIN-rail mounting design allow fast installation in space-constrained industrial panels.
Where IM-FS140FE Is Typically Used
Field Device Aggregation Nodes
Collects data from multiple PLCs, sensors, or controllers and forwards it to a fiber backbone in manufacturing cells and process areas.
Transportation & Traffic Systems
Installed in roadside or trackside cabinets to connect signal controllers, detectors, and monitoring equipment to centralized traffic or rail systems.
Energy & Utility Infrastructure
Used in substations, pumping stations, and water treatment facilities to link distributed field equipment over long-distance fiber.
Harsh Industrial Sites
Suitable for mining, petrochemical plants, and metallurgy facilities where dust, vibration, and electrical noise are unavoidable.
Fiber Expansion for Legacy Networks
Extends the reach of copper-based industrial Ethernet devices by converting multiple local connections into a single long-distance fiber link.
Why This Model Exists
IM-FS140FE fills the gap between ultra-minimal converters and fully managed industrial switches.
It offers:
More device capacity than basic models
Less complexity than managed switches
For industrial networks that need scalable edge connectivity without operational overhead,
IM-FS140FE is a practical and stable choice.
Is it managed?
A: No, this series is unmanaged.
We have another managed series for your choice.
What installation method does it support?
A: It supports Din Rail and wall mounting.
If a special mounting kit is required, it is OK, we dealt with it before.
Can you help write the label content?
A: Yes,please let us know if you need to put your model name/logo/description on the label.
The standard language is English.
If this is about some different languages like Korean, Italian or Russian, please just send the accurate format, we will copy and paste.
Can I have my logo on the device?
A: Yes, we are an OEM manufacturer.
Please just send your logo in PS/AI format, we will take care of the rest.
What is in the packing box?
A: there is a device, protective foam, user manual and warranty card.
For some models, there will be extra material like console cable or mounting hangers.
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