Multi-rate single-mode fibre connectivity
MikroTik XS+31LC10D in Dubai, UAE
The XS+31LC10D is a combined SFP, SFP+ and SFP28 optical module for 1G, 10G and 25G links over duplex single-mode fibre. It is intended for organisations that need a practical 1310 nm transceiver for backbone, aggregation, data-centre or inter-building connections reaching up to 10 kilometres, subject to host-device support and the complete optical design.
Confirm before ordering
Share the host device, speed, fibre type, link length, quantity and deployment location for a compatibility-led quotation.
Direct answer for buyers
MikroTik XS+31LC10D is a multi-rate optical transceiver that can operate as a 1.25G SFP, 10G SFP+ or 25G SFP28 module. It is mainly used to connect compatible routers, switches and other network devices across duplex single-mode fibre at distances up to 10 kilometres. It should be considered by IT teams, service providers, data-centre operators and systems integrators that need flexible fibre uplinks without maintaining a separate optic for every supported speed. Before proceeding, confirm that both host ports support the intended rate, that the fibre path uses the correct single-mode cable and LC connectors, and that any manual speed or rate-select setting required by the host platform has been planned.
What the module does
The module converts electrical data from a compatible SFP-family port into optical signals carried over two strands of single-mode fibre. One strand transmits and the other receives through a dual LC UPC connector. The same module can support three common Ethernet speed classes, provided the host device and opposite-end optic are correctly matched. This flexibility can simplify spares planning and phased upgrades, particularly where an organisation is moving from 10G to 25G while retaining some 1G connections.
Who it suits
It is suitable for enterprises linking buildings, branch distribution rooms, server areas or core switching layers; internet service providers building aggregation links; managed-service providers standardising replacement stock; and project teams using MikroTik routers or switches with SFP, SFP+ or SFP28 cages. It is not automatically the right choice for multimode fibre, single-fibre BiDi designs, copper cabling, links beyond the optical budget, or host devices that cannot negotiate or be configured for the required rate.
Business problems this optic can help address
Mixed-speed estates
A single model can cover supported 1G, 10G and 25G applications, reducing the number of optical part numbers held for maintenance. Host compatibility still needs separate confirmation.
Longer copper limits
Single-mode fibre allows network links far beyond normal copper Ethernet distances and can be suitable for campus, warehouse, industrial and cross-building paths.
Upgrade planning
Teams can select an optic that supports a future 25G transition while continuing to use compatible 10G or 1G ports during staged infrastructure changes.
Spare standardisation
Service teams may reduce spare complexity by validating one multi-rate module across an approved list of devices, software versions and operating modes.
Product-fit decision matrix
| Requirement | Suitable when | Confirm before ordering |
|---|---|---|
| 1G fibre link | The host SFP cage accepts this multi-rate optic at 1.25G. | Port support, forced speed requirements and remote-end compatibility. |
| 10G backbone | Both ends use compatible SFP+ operation over duplex SMF. | Rate-select settings, software version and optical loss. |
| 25G uplink | Both devices provide SFP28 ports supporting 25G. | FEC settings, interface mode and peer optic specification. |
| Up to 10 km path | The measured link loss stays within the system optical budget. | Splices, patch panels, connector loss and cable condition. |
| Standardised spare | The organisation has tested it across its approved device estate. | Hardware revisions, firmware and operational procedures. |
Verified technical information
| Brand | MikroTik |
|---|---|
| Product code | XS+31LC10D |
| Product type | Multi-rate optical transceiver |
| Format | SFP / SFP+ / SFP28 |
| Data rates | 1G / 10G / 25G |
| Connector | Dual LC UPC |
| Fibre mode | Single-mode |
| Wavelength | 1310 nm |
| Maximum stated distance | 10 km, subject to optical budget and fibre condition |
| MTBF guidance | Approximately 200,000 hours at 25°C, as stated by the manufacturer |
| Licensing | No separate transceiver licence stated; host-device software and configuration remain relevant |
| Compatibility | Host-device and configuration dependent |
| Availability | Contact FourTeck for current UAE options and vendor lead time |
Compatibility and configuration notice
A physical fit in an SFP-family cage does not by itself confirm a working link. The port must support the desired speed, and the device software must correctly recognise and configure the transceiver. Some 10G or 25G deployments may require manual speed selection, rate-select adjustment, matching FEC settings or a current RouterOS or SwitchOS release. Certain older hardware revisions may have limitations even when the same product family is listed as compatible.
The remote-end optic must also use the same Ethernet rate, wavelength class, fibre mode and duplex arrangement. For procurement, treat the optical module as one component of a complete link that includes the host ports, patch leads, structured fibre, adapters, splice points and peer equipment. FourTeck can review these items before quotation, but final validation should include testing in the intended devices and software configuration.
A practical purchase and deployment journey
Define the link
Record the two endpoints, required speed, physical route, estimated distance and business importance of the connection.
Check both devices
Confirm exact router or switch models, port types, supported rates, hardware revisions and current operating-system versions.
Validate the fibre path
Verify duplex single-mode cable, LC termination, cleanliness, patching, splice count and measured attenuation.
Prepare configuration
Plan speed, auto-negotiation, FEC and rate-select settings appropriate to the devices and peer transceiver.
Test and document
Confirm stable link status, expected throughput, optical levels, error counters and recovery after reboot before handover.
Multi-rate flexibility for phased network upgrades
The main operational distinction of the XS+31LC10D is its ability to work across 1G, 10G and 25G environments. This does not mean every SFP-family port automatically supports all three speeds. Instead, the optic gives organisations a common transceiver option where the host platform exposes the relevant rate. A business may use the module at 10G today in a compatible aggregation switch and later move it into an SFP28 port for 25G, subject to validation. That can help reduce stranded spares during a refresh programme.
For procurement teams, the advantage is not simply speed. It is the opportunity to create a controlled optical standard across approved devices. A documented compatibility matrix should identify which router or switch models support the module, which software version was tested, whether the speed must be forced, which FEC mode is required at 25G, and whether the link recovers normally after maintenance events. This evidence is more valuable than relying only on the connector format.
Mixed-speed flexibility can also help service providers and managed networks that maintain several generations of equipment. A field engineer carrying one validated module may be able to support more than one link class. However, this should not replace good asset control. Labels should show the configured rate, remote endpoint, fibre path and any non-default settings so that maintenance teams do not assume automatic behaviour.
Single-mode reach for campus and inter-building links
The manufacturer specifies a distance of up to 10 kilometres using single-mode fibre at 1310 nm. This makes the module relevant to links between data rooms, warehouses, offices, utility buildings, industrial areas or service-provider sites where copper Ethernet is not practical. The stated distance is a planning ceiling, not a promise that every ten-kilometre path will work. Real performance depends on the total optical loss created by fibre length, connectors, patch panels, splices, bends, contamination and ageing infrastructure.
A responsible design therefore starts with an optical budget. The team should obtain or measure the link attenuation and compare it with the permitted transmit and receive levels for the complete transceiver pair. Cleaning and inspection are essential because small particles on an LC connector can cause intermittent faults, elevated error counts or complete loss of signal. Where the fibre route passes through multiple distribution frames, each connection point should be included in the loss calculation.
Single-mode fibre also supports future network growth, but the existing cable plant must be documented. Buyers should confirm whether the path is OS1 or OS2, whether both strands are available and correctly paired, and whether any passive equipment in the route is compatible with 1310 nm operation. The XS+31LC10D is a duplex module, so it is not a substitute for single-fibre BiDi optics without redesigning the link.
Operational control, monitoring and troubleshooting
Optical links should be commissioned with the same care as active network equipment. After installation, engineers should record interface status, negotiated or forced speed, optical transmit and receive readings where available, error counters and the remote device details. The baseline helps distinguish a fibre problem from a software, port or transceiver issue later. It is also useful to test link recovery following a reboot or controlled power interruption.
At 25G, settings such as forward error correction can affect interoperability. At 10G, a host may need explicit rate selection when using a multi-rate SFP28-capable optic. At 1G, the port must support that rate even if the cage physically accepts an SFP module. Because these behaviours vary by host, procurement and deployment teams should consult current MikroTik compatibility guidance and device documentation rather than assuming identical operation across the portfolio.
Troubleshooting should follow a structured path: verify the same speed on both ends, inspect and clean connectors, swap known-good patch leads, check optical readings, review interface alarms, test an approved spare optic and confirm software configuration. Repeatedly replacing modules without checking the fibre path or port settings can delay resolution and create unnecessary cost.
Ideal business environments and use cases
Data-centre uplinks
Suitable for compatible 10G or 25G links between routing, switching and server-access layers where single-mode fibre is part of the design.
Campus backbones
Useful for connecting buildings or distribution rooms when the path length and fibre loss are within the supported optical budget.
ISP aggregation
Relevant to service-provider networks using compatible MikroTik platforms and standard duplex single-mode infrastructure.
Migration projects
Can support staged movement from 10G to 25G where the module has been tested with both the current and target device estate.
Managed spare pools
Helps field-service teams reduce optical variants after creating a controlled compatibility and configuration list.
Industrial and warehouse links
Supports fibre connectivity between separated operational zones where electromagnetic conditions or distance make copper less suitable.
Buyer questions to resolve before requesting a quote
Provide full model names, port numbers and hardware revisions where available.
State whether the link will run at 1G, 10G or 25G and whether a future migration is planned.
Confirm duplex single-mode fibre, LC connectivity, route length and measured loss.
The peer transceiver must match the rate, wavelength class, fibre type and duplex design.
Include interface setup, FEC review, rate selection, testing and documentation in scope where required.
Define redundancy, spare quantity, support expectations and acceptable maintenance arrangements.
Procurement checklist
- Exact XS+31LC10D model and required quantity
- Host router or switch model at each endpoint
- SFP, SFP+ or SFP28 port capability
- Required 1G, 10G or 25G operating rate
- Duplex single-mode fibre confirmation
- LC patch leads and connector polarity
- Link distance and optical-loss information
- Peer optic specification
- RouterOS or SwitchOS version
- Rate-select or FEC configuration needs
- Installation, cleaning and testing scope
- Spare modules and redundancy requirement
- Delivery location and target project date
- Warranty and vendor lead-time confirmation
How FourTeck can support the requirement
FourTeck can assist with requirement clarification before a quotation is prepared. The review can include the exact MikroTik host devices, intended speed, fibre path, peer optics, required quantity, expected spare strategy and whether installation or configuration assistance is needed. This helps buyers avoid ordering an optic based only on connector shape or headline distance.
For larger projects, FourTeck can help organise a bill of materials covering transceivers, compatible routing or switching products, patch leads and associated services. Where the project includes a migration, the quotation scope can distinguish supply from configuration, testing, documentation and handover. Visit the FourTeck product catalogue, review available networking and configuration services, or contact the Dubai sales team with your technical details.
UAE availability and support guidance
Contact FourTeck to confirm current UAE availability for the MikroTik XS+31LC10D. Supply can depend on quantity, vendor lead time and the exact project schedule. A quotation should identify the product code, requested quantity, delivery location and any related configuration or testing service. Delivery and project coordination can be discussed after the requirement is confirmed; no specific stock position or delivery date should be assumed until stated in the accepted quotation.
FourTeck can coordinate requirements for organisations in Dubai, Abu Dhabi, Sharjah and Ajman through one combined review. Buyers should provide the intended endpoint devices, link speed, fibre distance, deployment location and desired timeline. Where onsite work is required, the scope should clearly state access conditions, installation responsibilities, testing method and documentation expectations.
GCC Availability
FourTeck can assist businesses planning MikroTik fibre links across GCC markets, including requirements in the United Arab Emirates, Saudi Arabia, Kuwait, Qatar, Bahrain and Oman. Support may include reviewing the exact host device, selecting the correct optical format, confirming the target link speed, preparing quotation details and discussing delivery or project coordination. Availability, vendor lead time, delivery schedules and service scope can vary by country, quantity and destination. Licensing is not normally associated with the transceiver itself, but the router or switch platform, software version and configuration remain important. Buyers should share the destination country, XS+31LC10D quantity, endpoint models, deployment address and required timeline. For Kuwait-related coordination, the FourTeck Kuwait resource can also provide regional context. Customs handling, local inventory and installation dates must be confirmed in the applicable quotation rather than assumed.
Africa Availability
Organisations planning fibre infrastructure in Africa can contact FourTeck for product-selection and procurement guidance for the MikroTik XS+31LC10D and related networking equipment. The review may cover endpoint compatibility, quantity, single-mode fibre design, operating speed, required patching, spare strategy, configuration scope and support expectations. Availability and fulfilment depend on the destination country, vendor lead time, shipment arrangements, quantity and local project conditions. Power standards are mainly relevant to the active router or switch rather than the passive fibre path, but the complete deployment still needs regional review. Buyers should provide the destination, exact device models, link distance, required rate and preferred schedule. FourTeck maintains regional resources for Africa technology projects, as well as dedicated information for Kenya and Uganda. Local stock, immediate shipment, customs outcomes and onsite coverage should not be assumed until confirmed for the specific request.
Related products and services to consider
MikroTik CCR2004-1G-12S+2XS
A routing platform with SFP+ and SFP28 interfaces that may be relevant to multi-rate optical deployments. Exact compatibility and configuration should be confirmed.
MikroTik CCR2216-1G-12XS-2XQ
A higher-capacity router with multiple 25G SFP28 interfaces for projects requiring broader 25G aggregation.
S+31DLC10D
A 10G-only 1310 nm dual-LC single-mode option for buyers who do not require 25G support. Do not treat it as identical to the XS+31LC10D.
Fibre installation and testing
Include cleaning, polarity checks, loss testing, interface setup and link documentation when the internal team needs deployment assistance.
Frequently asked questions
What is the MikroTik XS+31LC10D?
It is a combined SFP, SFP+ and SFP28 optical transceiver supporting 1G, 10G and 25G over duplex single-mode fibre at 1310 nm, with a manufacturer-stated reach of up to 10 km.
Can it work in every SFP, SFP+ or SFP28 port?
No. Physical fit does not guarantee operation. The host device, port hardware, software version and configuration must support the selected rate and this module.
Does it support multimode fibre?
The verified specification identifies it as a single-mode module. Use suitable duplex single-mode fibre and confirm the complete optical path.
Is the 10 km distance guaranteed?
No. Ten kilometres is the stated maximum reach. Actual operation depends on fibre attenuation, connector loss, splices, cleanliness, peer optics and the available optical budget.
Can I use one module at 10G and another brand at the far end?
Possibly, but interoperability should be confirmed. Both ends must match the Ethernet rate, wavelength class, fibre mode, connector arrangement and relevant coding or FEC requirements.
Does the module require a licence?
No separate licence is stated for the transceiver. The host router or switch may have its own software, feature or support requirements.
Are manual settings required?
They can be. Depending on the host and rate, manual speed, rate-select, auto-negotiation or FEC settings may be needed. Validate against current device documentation.
What information is needed for a quote?
Provide quantity, endpoint device models, target speed, fibre type, link distance, peer optic, delivery location and any installation or configuration scope.
Can FourTeck help with testing?
Testing and configuration assistance can be discussed as a separate scope, including interface setup, connector checks, optical readings, error review and handover documentation.
How do I confirm UAE availability?
Contact FourTeck with the exact product code and quantity. Current availability, vendor lead time, delivery coordination and warranty guidance will be stated in the quotation.
Plan the fibre link before placing the order
Send FourTeck the endpoint models, operating speed, fibre distance, quantity and deployment location for a compatibility-focused MikroTik XS+31LC10D quotation.
