D-link DMC-540SSC- 100Base-TX to 100Base-FX Single-mode Fiber (SC) Media Converter
Product Overview
The D-Link DMC-540SSC (Model: DMC-540SSC / DMC-540SSC-1) is an enterprise-class Fast Ethernet long-haul media converter engineered to bridge copper-based Ethernet networks with extended optical fiber infrastructure. Designed to convert 10/100Base-TX twisted-pair copper signals to 100Base-FX Fast Ethernet single-mode optical fiber signals, it extends overall network reach up to 40 kilometers over $9/125\,\mu\text{m}$ single-mode fiber (SMF) cabling equipped with duplex SC connectors.
Operating at a 1310 nm center wavelength, the D-Link DMC-540SSC functions as a standalone unit powered via an external 5V DC supply or can be mounted in a high-density 14-slot DMC-1000 series media converter chassis. Equipped with Auto-MDI/MDIX, store-and-forward architecture, and intelligent link diagnostics (LLCF/LLR), it provides network administrators across Kenya with a dependable solution for long-range inter-building links and campus backbones.
D-Link DMC-540SSC Product Features
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D-Link DMC-540SSC converts 10/100Base-TX copper Ethernet lines to 100Base-FX single-mode optical fiber links.
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D-Link DMC-540SSC supports long-distance optical transmission up to 40 kilometers over standard $9/125\,\mu\text{m}$ single-mode fiber (SMF) cabling.
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D-Link DMC-540SSC operates at a 1310 nm center wavelength utilizing a duplex SC optical fiber connector interface.
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D-Link DMC-540SSC incorporates Link Loss Carry Forward (LLCF) and Link Loss Return (LLR) features for instant remote fiber link failure detection.
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D-Link DMC-540SSC offers dual deployment flexibility, operating as an independent desktop unit or installed in a 19-inch rack-mount chassis.
D-Link DMC-540SSC Product Condition
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D-Link DMC-540SSC is sold as Brand New Sealed in original individual factory packaging with standard power supply accessories intact.
Specifications
| Parameter | Technical Specification Details |
| Model / SKU | DMC-540SSC |
| Product Type | Fast Ethernet Copper-to-Fiber Media Converter |
| Copper Interface | 1× 10/100BASE-TX RJ-45 Port (Auto-MDI/MDIX) |
| Fiber Interface | 1× 100BASE-FX Duplex SC Optical Port |
| Fiber Mode & Wavelength | Single-Mode Fiber (SMF $9/125\,\mu\text{m}$) / 1310 nm |
| Max Transmission Distance | Up to 40 km (24.8 Miles) |
| Data Throughput Rate | 100 Mbps (Half-Duplex) / 200 Mbps (Full-Duplex) |
| Network Standards | IEEE 802.3 (10BASE-T), IEEE 802.3u (100BASE-TX / 100BASE-FX) |
| Transmission Architecture | Store-and-Forward / Full Wire-Speed Forwarding |
| Diagnostic Features | LLCF (Link Loss Carry Forward) & LLR (Link Loss Return) |
| Power Supply & Consumption | External 5V DC / 1A Adapter / Power Consumption $< 3\text{W}$ |
| Chassis Compatibility | Standalone deployment or Rack-Mount Chassis Mountable |
| Dimensions & Weight | $95 \times 70 \times 26\text{ mm}$ / Approx. $200\text{ g}$ |
| Warranty Coverage | 1-Year Limited Manufacturer Hardware Warranty |
D-Link DMC-540SSC Pros & Benefits
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Extended 40km Reach: Enables long-haul optical connectivity across distant facilities, industrial plants, or municipal nodes without signal repeaters.
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Intelligent Troubleshooting: Built-in LLCF/LLR support immediately alerts administrators to broken fiber links by shutting down the corresponding copper link.
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Flexible Standalone or Chassis Mount: Operates independently at remote drop points or stacks into a central rack chassis at core network rooms.
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Noise & EMI Immunity: Converts electrical signals to optical pulses, providing complete immunity against high-voltage electrical interference.
D-Link DMC-540SSC Variation Price Table
| Model Variant | Conversion Type | Fiber Type / Connector | Distance | Price Range (KES) |
| D-Link DMC-540SSC | 10/100TX to 100FX | Single-Mode (SC) | Up to 40 km | KSh 6,000 – KSh 8,500 |
| D-Link DMC-515SC | 10/100TX to 100FX | Single-Mode (SC) | Up to 15 km | KSh 5,000 – KSh 6,500 |
| D-Link DMC-300MSC | 10/100TX to 100FX | Multi-Mode (SC) | Up to 2 km | KSh 4,800 – KSh 6,000 |
| D-Link DMC-G01LC | 10/100/1000T to SFP | Open SFP Slot | SFP Dependent | KSh 6,500 – KSh 8,500 |
D-Link DMC-540SSC Suitable Application Areas
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Long-Distance Campus Networks: Interconnects university departments, hospital blocks, or municipal offices separated by significant distances.
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Perimeter CCTV Surveillance: Connects remote IP security cameras placed miles away from the main security control center.
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Industrial & Outdoor Sensor Extensions: Extends network links to remote outdoor telemetry equipment or industrial control systems.
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Centralized Rack Aggregation: Mounts inside a central media converter chassis to aggregate incoming long-distance fiber drops.
D-Link DMC-540SSC User Guide & Support Manuals Link
For technical datasheets, chassis installation guides, and pinout details, visit official manufacturer resources:
Online Purchase & Countrywide Delivery:
D-Link DMC-540SSC is in stock and available at Potent.it Store with fast Countrywide Delivery across Kenya, servicing Nairobi, Mombasa, Kisumu, Nakuru, Eldoret, and all major commercial centers.
D-Link DMC-540SSC What is in the Box
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D-Link DMC-540SSC Fast Ethernet Single-Mode Media Converter Unit
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5V DC External Power Adapter
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Rubber Feet for Desktop Placement
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Quick Setup Guide & Technical Documentation
D-Link DMC-540SSC Frequently Asked Questions (FAQs)
Q1: What fiber cable type and optical connector does the D-Link DMC-540SSC require?
A: It requires $9/125\,\mu\text{m}$ Single-Mode Fiber (SMF) cable terminated with duplex SC-type connectors.
Q2: What is the maximum fiber transmission distance supported by the DMC-540SSC?
A: It supports long-haul optical transmission distances reaching up to 40 kilometers (24.8 miles).
Q3: What are LLCF and LLR diagnostic features on the DMC-540SSC?
A: Link Loss Carry Forward (LLCF) and Link Loss Return (LLR) allow the converter to monitor both fiber and copper links. If one link fails, it alerts the connected switch by disabling the opposite link, ensuring rapid failover handling.
Q4: Is Countrywide Delivery available when purchasing from Potent.it Store?
A: Yes, Potent.it Store provides fast door-to-door countrywide shipping across Kenya for all D-Link media converters, switches, fiber accessories, patch panels, and structured cabling products.
D-Link DMC-540SSC Creativity Summary
The D-Link DMC-540SSC provides an enterprise-grade Fast Ethernet media conversion solution featuring a 10/100Base-TX RJ-45 copper port, a 100Base-FX single-mode duplex SC optical port, 1310 nm wavelength, and transmission reach up to 40 kilometers. Operating as a standalone unit or mounted into a 14-slot rack chassis with LLCF/LLR diagnostic capabilities, it equips network administrators, system integrators, and IT teams across Kenya with a long-range optical link extension.





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