MikroTik HS-31DLC20D in Dubai, UAE
A compact industrial-grade SFP module for organisations that need a reliable single-mode fiber connection of up to 20 kilometres while retaining the option to operate at either 1G or 2.5G on compatible network equipment.
Planning a fiber upgrade?
Share the endpoint devices, fiber distance, quantity, and required data rate so FourTeck can review the requirement before quotation.
Direct answer for buyers
The MikroTik HS-31DLC20D is a 1G/2.5G single-mode SFP transceiver intended for full-duplex optical links of up to 20 kilometres. It is mainly used to connect compatible switches, routers, access equipment, and aggregation platforms over an existing single-mode fiber path. Businesses, campuses, industrial sites, internet service providers, and multi-building facilities should consider it when they need a compact optical uplink with a potential step from Gigabit to 2.5 Gigabit operation. Before proceeding, confirm the SFP cage supports the intended speed, the remote endpoint uses a matching optical specification, the fiber route is duplex single-mode, and the complete optical budget is suitable for the actual distance and connector losses.
What the module does
The HS-31DLC20D converts electrical data from a compatible SFP interface into optical signals for transmission across single-mode fiber, then converts incoming light back into electrical data at the far endpoint. This allows network equipment to communicate over distances that ordinary copper Ethernet cannot serve. Its support for both 1G and 2.5G provides a practical migration path where a network currently runs Gigabit traffic but may later move to 2.5G, provided both endpoint devices support the higher rate.
The module uses a 1310 nm optical wavelength and a duplex LC connection. Duplex means separate strands are normally used for transmit and receive. Correct polarity, clean connector end faces, suitable patch leads, and a matching module at the opposite end are essential. The transceiver is one part of the link rather than a complete solution on its own.
Who should consider it
This model can suit IT teams connecting separate buildings, extending an access network across a large property, adding an optical uplink to a MikroTik switch, or replacing a 1G-only transceiver where a compatible 2.5G path is planned. It can also be relevant to service providers, surveillance networks, hospitality sites, education campuses, warehouses, utilities, and industrial facilities that already have single-mode fiber installed.
It may not be the right choice when the route uses multimode fiber, when only one fiber strand is available, when the required distance exceeds the supported optical reach, or when the endpoint cage does not accept the module or operating rate. Buyers should avoid selecting an optic solely by connector shape; wavelength, fiber mode, speed, reach, and device compatibility must all align.
Business challenges this optical module can address
Long copper distance
Ethernet copper links have practical distance limits. A correctly designed single-mode fiber link can connect remote communication rooms, separate buildings, or field cabinets across a much longer route.
Bandwidth upgrade pressure
When Gigabit capacity is becoming restrictive, 2.5G support can provide an intermediate upgrade without immediately moving to a 10G design, subject to endpoint support and network requirements.
Limited visibility into optics
Digital diagnostic monitoring can expose useful operating information such as temperature, voltage, optical power, and laser bias through compatible management interfaces.
Reuse of installed fiber
Where suitable single-mode fiber is already in place, the module can support a bandwidth improvement while preserving the passive cable infrastructure, reducing unnecessary recabling work.
Product-fit decision matrix
| Requirement | Suitable when | Confirm before ordering |
|---|---|---|
| Building-to-building uplink | A duplex single-mode fiber route is available and the path is within the designed reach. | Fiber length, splice and connector loss, endpoint cage support, and surge/grounding design for the network equipment. |
| Upgrade from 1G to 2.5G | Both devices support 2.5G operation through the relevant SFP interfaces. | Port capabilities, software support, auto-negotiation behaviour, and matching optics at both ends. |
| Industrial or outdoor cabinet link | The complete enclosure and host equipment are designed for the environmental conditions. | Temperature range of all components, dust protection, power stability, fiber bend radius, and cabinet ventilation. |
| Optical health monitoring | The host platform exposes DDM data through its management interface. | Supported telemetry fields, alert thresholds, monitoring method, and operating baseline for the link. |
Verified product information
| Brand | MikroTik |
| Product code | HS-31DLC20D |
| Product type | Industrial-grade single-mode SFP optical transceiver |
| Supported data rates | 1G and 2.5G, subject to host-device support |
| Optical reach | Up to 20 km on a suitable single-mode fiber link |
| Wavelength | 1310 nm |
| Connector | Duplex LC for full-duplex operation |
| Fiber mode | Single-mode |
| Diagnostics | Built-in DDM for optical power, voltage, temperature, laser bias current, and related parameters through compatible equipment |
| MTBF | Approximately 100,000 hours at 25°C, as stated by the manufacturer |
| Manufacturer suggested price | USD 29; UAE selling price, taxes, freight, and availability must be confirmed |
| Availability | Contact FourTeck for current UAE options, quantity, lead time, and quotation |
Compatibility and dependency notice
An SFP module should be selected as part of an end-to-end optical design. The HS-31DLC20D may physically fit an SFP cage, but physical fit alone does not confirm operation. The host device must support the module type and intended line rate. Firmware, port configuration, auto-negotiation behaviour, and vendor compatibility policies can affect whether a link establishes correctly. The far endpoint should use an optical module with matching wavelength, rate, reach, connector arrangement, and fiber mode.
The stated 20 km figure is a maximum design reach under suitable conditions rather than a promise for every installation. Actual performance depends on transmit power, receiver sensitivity, attenuation per kilometre, connector loss, splice loss, patch-panel loss, contamination, cable quality, bending, and engineering margin. A shorter link can also require attention to optical power levels. FourTeck can help review the proposed endpoints and basic link details, but final acceptance should include testing of the installed fiber route.
A practical purchase and deployment journey
Define the link
Record the two endpoint devices, physical route, estimated distance, fiber type, connector presentation, and required traffic capacity.
Check both interfaces
Verify that each SFP cage supports the intended 1G or 2.5G rate and that the platform permits the selected optic.
Review the optical budget
Include fiber attenuation, patch panels, splices, connectors, and a sensible engineering margin rather than relying only on route length.
Order the complete set
Confirm quantities for both endpoints, patch cords, couplers, cleaning materials, labeling, and any spare modules required for operations.
Install and validate
Clean connectors, confirm polarity, configure port speeds, observe DDM values, and test traffic under realistic conditions.
1G and 2.5G flexibility for staged upgrades
Many organisations are not ready to move every access, aggregation, and backbone link directly to 10G. Some sites need more than Gigabit capacity for wireless access-point aggregation, camera traffic, storage transfers, inter-building services, or growing user demand, yet their immediate workload does not justify a broader platform replacement. The HS-31DLC20D offers a useful intermediate option because it supports both 1G and 2.5G operation when installed in compatible equipment.
This flexibility can simplify lifecycle planning. A link may initially operate at 1G while surrounding devices are upgraded, then move to 2.5G after the far-end interface and switching platform are ready. However, buyers should not assume every SFP cage that handles 1G will also handle 2.5G. The speed capability belongs to the complete host interface, transceiver, software, and remote endpoint combination. FourTeck can review the equipment list before quotation and identify which details need confirmation with the vendor or through lab testing.
DDM visibility for maintenance decisions
Optical links can degrade gradually through contamination, connector damage, excessive bends, poor splices, aging components, or environmental stress. Without diagnostic information, operations teams may only discover a problem after errors or outages appear. The built-in digital diagnostic monitoring in the HS-31DLC20D can provide readings for transmitted and received optical power, supply voltage, temperature, and laser bias current through a compatible host platform.
These values can help engineers compare a new installation against later readings, investigate whether a link is operating near a limit, and decide when cleaning, inspection, or fiber testing is appropriate. DDM should not be treated as a replacement for an optical power meter or certification test. The accuracy and visibility of readings depend on the host device and management software. Useful monitoring also requires a baseline, documented thresholds, and a process for responding to abnormal values rather than simply collecting data.
Long-distance single-mode connectivity
Single-mode fiber is commonly selected for long campus routes, metropolitan links, service-provider access, industrial sites, and building interconnections because it supports long distances with low attenuation. The HS-31DLC20D is designed for links up to 20 km using 1310 nm optics and duplex LC connectivity. This makes it relevant where the passive fiber infrastructure is already single-mode and where the network needs a compact pluggable optic rather than an external media converter.
The distance rating should be considered alongside the complete optical loss budget. A 20 km route with many connectors, old splices, tight bends, or damaged fiber may perform worse than a longer clean route. Conversely, very short routes should still be checked against receiver power limits. Proper design includes the cable specification, measured route loss, connector type, patching arrangement, expected environmental conditions, and operational margin. Where records are incomplete, a site test can reduce procurement and commissioning risk.
Suitable business environments and use cases
Campus and education networks
Connect administration buildings, classrooms, laboratories, libraries, residences, or security facilities where a suitable single-mode route already exists.
Industrial and utility sites
Carry network traffic between control rooms, production areas, remote cabinets, and operations buildings while keeping electrical isolation benefits of fiber.
Hospitality and property portfolios
Link communication rooms across large hotels, resorts, mixed-use properties, warehouses, and managed compounds where copper distance is impractical.
Internet service provider infrastructure
Support access, aggregation, or customer-side optical links where 1G or 2.5G SFP operation, single-mode fiber, and the planned optical budget align.
Surveillance networks
Aggregate remote camera and recording traffic across long fiber routes, subject to bandwidth calculations, redundancy design, and endpoint compatibility.
Business continuity links
Provide a fiber path between primary and secondary rooms or sites as one component of a wider resilient network design, not as redundancy by itself.
Integration and operational considerations
Network teams should document the port configuration at both ends, including the chosen speed, duplex behaviour, VLAN design, link aggregation settings, spanning-tree role, maximum transmission unit, monitoring method, and alarm thresholds. A fiber link can be optically healthy while a configuration mismatch still prevents service. During commissioning, test basic link establishment, packet loss, throughput, error counters, failover behaviour, and recovery after a reboot or power interruption.
Connector hygiene deserves particular attention. LC connectors can collect dust that raises insertion loss and creates intermittent faults. Use suitable cleaning tools and inspection practices rather than wiping connectors with general-purpose materials. Keep protective caps in place until connection, avoid touching ferrules, respect bend-radius requirements, and label both strands consistently. Patch cords should match the required single-mode specification and connector polish used by the installation.
Where uptime is important, consider whether the design needs two diverse fiber paths, dual switches, redundant power, spare optics, and documented replacement procedures. The HS-31DLC20D provides the optical interface, but resilience depends on the wider architecture. A single module, single cable route, or single switch can remain a point of failure. FourTeck can help scope related MikroTik switching, routing, installation, and configuration requirements through its business technology services.
Questions to resolve before requesting a quotation
Provide exact switch, router, or access-platform models and software versions where possible.
Confirm the current requirement and whether a future migration is part of the procurement plan.
Identify single-mode cable type, strand count, termination points, connector presentation, and measured route loss.
Use the actual cable route rather than straight-line building distance, and include patching and intermediate joints.
Most duplex links need matching compatible modules at each endpoint unless one side already has a suitable optic.
Clarify whether the request covers supply only, port configuration, fiber testing, patching, labeling, and commissioning.
Procurement checklist
✓ Exact model: HS-31DLC20D
✓ Required quantity and spare quantity
✓ Host-device model at each endpoint
✓ Intended 1G or 2.5G operation
✓ Duplex single-mode fiber confirmation
✓ Total route distance and measured loss
✓ Duplex LC patch-cord requirement
✓ Matching far-end optical module
✓ Firmware and port compatibility
✓ DDM monitoring requirement
✓ Installation and testing scope
✓ Delivery location and project timeline
✓ Warranty guidance in the quotation
✓ Related switching or routing equipment
How FourTeck can assist
FourTeck can help convert a general request for an SFP module into a clearer bill of materials. The process may include confirming the exact model, reviewing the proposed endpoint devices, identifying whether the link should operate at 1G or 2.5G, checking the stated fiber type and distance, and clarifying whether patch leads, spare optics, switches, routers, racks, power accessories, configuration, or testing are needed. This reduces the chance of ordering an optic that fits physically but does not suit the operational requirement.
For projects that involve a broader network refresh, buyers can review FourTeck’s technology product portfolio and discuss related routing, switching, firewall, wireless, surveillance, server, storage, and support requirements. The quotation can separate supply, configuration, installation, and testing so stakeholders understand what is included. Contact the FourTeck sales team with the equipment list and link details for current guidance.
UAE availability and support guidance
Contact FourTeck to confirm current UAE availability for the MikroTik HS-31DLC20D. Availability may depend on quantity, vendor lead time, regional supply, and the timing of the request. Delivery and project coordination can be discussed after the exact requirement is confirmed. Buyers should provide the deployment location, host equipment, fiber details, number of links, required quantity, and expected schedule. Installation and configuration scope should be included in the quotation when required rather than assumed to be part of a hardware-only order.
Dubai, Abu Dhabi, Sharjah and Ajman coverage
Businesses in Dubai, Abu Dhabi, Sharjah, and Ajman can approach FourTeck for requirement review, quotation coordination, delivery planning, and discussion of installation or configuration services. The practical scope depends on the number of links, site access, equipment already installed, testing needs, and whether the request forms part of a wider network project. Sharing clear site and technical details helps FourTeck prepare a more relevant response and identify dependencies before equipment is ordered.
GCC availability
FourTeck can assist organisations planning MikroTik optical links across GCC markets by reviewing the requested model, endpoint equipment, fiber design, quantities, and service expectations before quotation. Requirements may involve the United Arab Emirates, Saudi Arabia, Kuwait, Qatar, Bahrain, or Oman, but the appropriate process should begin with the exact destination and project scope rather than a general assumption about regional supply. Product availability, delivery schedules, installation visits, vendor lead times, and warranty handling can vary by country, quantity, and procurement route. Buyers should share the destination country, required number of modules, intended 1G or 2.5G operation, link distance, host-device models, preferred schedule, and any need for configuration or testing. For Kuwait-related planning, the FourTeck Kuwait information site may provide a useful regional contact route. No local stock, customs outcome, or fixed delivery date should be assumed until confirmed in writing.
Africa availability
For projects in Africa, FourTeck can help organisations evaluate whether the HS-31DLC20D is appropriate for the planned fiber route and whether related optics, patching, switches, routers, spares, configuration, or commissioning support should be included. Procurement and fulfilment may depend on the destination country, quantity, vendor lead time, shipping method, license or regional conditions where applicable, local power and environmental requirements, and the scope of any onsite work. Buyers should provide the destination, endpoint devices, exact quantity, link length, fiber type, preferred deployment schedule, and support expectations. FourTeck maintains regional information resources for Kenya technology projects, Uganda business requirements, and broader Africa technology coordination. Availability, shipping, customs, installation coverage, and delivery timing must be confirmed for each project rather than assumed.
Related products and services to discuss
MikroTik SFP-capable switches
Review the switch model, supported cage speed, port count, power design, management needs, and rack or enclosure requirements.
Single-mode duplex LC patch leads
Confirm cable type, connector polish, length, routing, labeling, and quantity for each endpoint and patch panel.
Fiber testing and commissioning
Discuss optical loss testing, connector inspection, cleaning, polarity checks, configuration, and traffic validation.
Spare transceiver planning
Critical sites may benefit from documented spare quantities and replacement procedures based on operational risk.
Network design consultation
For multi-link deployments, review capacity, redundancy, VLAN design, uplink topology, monitoring, and lifecycle plans.
Why businesses contact FourTeck
The main value of consultation is practical clarification. Buyers may know they require an optical module but still need to confirm the correct speed, fiber mode, wavelength, connector, endpoint compatibility, quantity, and deployment scope. FourTeck can help organise these details, coordinate a quotation, and identify related items that should be considered in the same bill of materials. Where installation is required, the scope can be discussed around site access, patching, port configuration, testing, documentation, and handover.
FourTeck does not need to overstate product capabilities to make the page useful. The HS-31DLC20D has a clear role: it is a compact 1G/2.5G single-mode transceiver for properly designed links up to 20 km. A good purchasing decision depends on confirming how that role fits the customer’s actual network. Learn more about FourTeck’s business technology approach or send the project details through the contact page.
Frequently asked questions
What is the MikroTik HS-31DLC20D used for?
It is used to create a 1G or 2.5G full-duplex optical connection over suitable single-mode fiber, with a designed reach of up to 20 km.
Does the module automatically provide 2.5G speed?
No. Both host devices, their SFP interfaces, software, configuration, and the far-end optic must support the intended 2.5G operating rate.
Can it work on multimode fiber?
The HS-31DLC20D is designed for single-mode fiber. Buyers using multimode fiber should select an optic intended for that cable type and distance.
What connector does it use?
It uses a duplex LC connection for full-duplex operation, normally requiring separate transmit and receive strands.
What does DDM provide?
Digital diagnostic monitoring can expose parameters such as optical power, voltage, temperature, and laser bias current through compatible network equipment.
Is 20 km guaranteed on every fiber route?
No. Actual operation depends on the complete optical budget, cable attenuation, splices, connectors, cleanliness, bends, endpoint sensitivity, and engineering margin.
Do I need two modules?
A typical duplex link requires a compatible optical module at each endpoint. Confirm whether one side already has a suitable matching optic before ordering.
Can FourTeck help check device compatibility?
FourTeck can review the stated switch or router models and intended speed, then identify any details that require vendor confirmation or testing.
Is the HS-31DLC20D currently available in Dubai?
Contact FourTeck to confirm current UAE availability, quantity, lead time, delivery coordination, and quotation at the time of request.
What information is needed for a quote?
Share the endpoint device models, required speed, fiber type, route distance, number of links, quantity, delivery location, and whether installation or testing is required.
Confirm the optic before placing the order
Send FourTeck the endpoint models, required rate, fiber distance, cable type, and quantity. The team can help review the requirement and prepare a current UAE quotation.
