MikroTik S-RJ01 in Dubai, UAE
The S-RJ01 gives network teams a straightforward way to use a conventional RJ45 Ethernet cable in a compatible SFP cage. It is intended for short copper connections where fibre is unnecessary, unavailable or operationally inconvenient, while still allowing the host router or switch to use its modular interface.
Before requesting a quote
Provide the host device model, required quantity, link distance and target speed. These details help confirm whether this copper SFP is the correct fit.
RJ45 copper
10/100/1000 Mbps
Up to 100 metres
Confirm host compatibility
Direct answer for buyers
The MikroTik S-RJ01 is an RJ45 SFP copper module for compatible networking devices with Gigabit SFP interfaces. Its main purpose is to turn an SFP cage into a conventional twisted-pair Ethernet connection for links operating at 10, 100 or 1000 Mbps. It is most relevant to IT teams, system integrators and network operators that need copper connectivity from an SFP-equipped router or switch over distances up to 100 metres. Before proceeding, confirm the exact host device, port capabilities, cabling category, link speed, distance and any vendor-specific compatibility restrictions. The module should not be selected merely because the physical cage looks suitable; electrical and firmware support must also be checked.
What the S-RJ01 does
Many routers and switches include SFP cages so network designers can choose the required media type. Those cages are often associated with optical modules, but some deployments only need a short copper run to an existing Ethernet device. The S-RJ01 addresses that requirement by providing an RJ45 interface in the SFP form factor. This allows a compatible SFP port to connect to common copper Ethernet cabling instead of fibre.
The practical value is flexibility. A business may have spare SFP capacity on a switch but no available fixed copper port. A branch router may need to connect to a local modem, appliance or access switch using standard twisted-pair cable. A laboratory may need to test a copper endpoint from an SFP-based platform. In each case, the module can simplify the physical connection without changing the host device, provided the host supports the module and the intended speed.
Who should consider it
The S-RJ01 may suit small and medium businesses, enterprise branch teams, internet service providers, managed-service providers, system integrators, testing laboratories and network engineers maintaining mixed fibre-and-copper environments. It is especially relevant when the required link is one Gigabit or below and remains within normal copper Ethernet distance limits.
It is not automatically the right choice for every SFP or SFP+ cage. Buyers planning 2.5, 5 or 10 Gigabit copper links should review a different transceiver designed for those speeds. Buyers using third-party switches should also confirm vendor support rather than assuming universal interoperability. The most reliable purchasing process starts with the exact router or switch model, port type, software version, remote endpoint and cable specification.
Business problems this module can help address
No free fixed copper port
A router or switch may have an unused SFP cage while all built-in RJ45 ports are already allocated. The S-RJ01 can provide an additional copper connection when the platform supports it.
Copper endpoint on an SFP platform
Some network platforms are designed mainly around modular interfaces, yet the connected modem, firewall, server or access device still uses standard RJ45 Ethernet.
Mixed-media infrastructure
The module can support a design where fibre is used for longer links and copper remains appropriate for nearby equipment in the same room, rack or cabinet.
Temporary testing or migration
Engineers may require a temporary copper handoff during staging, troubleshooting or migration. A modular copper transceiver can provide that connection without redesigning the host platform.
Core capability band
Flexible media choice
Use a suitable SFP cage for an RJ45 copper connection when the network design does not require optical fibre.
Multi-speed Ethernet
Supports 10, 100 and 1000 Mbps Ethernet link speeds, subject to host and peer negotiation behaviour.
Standard copper reach
Designed for links up to 100 metres when appropriate cabling and installation conditions are used.
Modular replacement
The SFP format allows the transceiver to be installed, removed or replaced without changing the entire network device.
Product-fit decision matrix
| Requirement | Suitable when | Confirm before ordering |
|---|---|---|
| RJ45 from an SFP cage | The host supports a copper Gigabit SFP module | Exact device and port compatibility |
| Link speed up to 1 Gbps | The endpoint uses 10/100/1000BASE-T Ethernet | Negotiation support at the required speed |
| Short indoor copper run | The cable route is within 100 metres | Cable category, termination quality and environment |
| Third-party switch or router | The vendor permits or supports the module | Compatibility list, firmware and support policy |
| Higher-speed copper | Not the preferred choice for 2.5/5/10 Gbps | Use a transceiver specifically rated for the target speed |
Verified technical information
| Brand | MikroTik |
|---|---|
| Product name | S-RJ01 |
| Product type | RJ45 copper SFP transceiver module |
| Product code | S-RJ01 |
| Connector | RJ45 |
| Supported Ethernet speeds | 10/100/1000 Mbps |
| Published data rate | 1.25 Gbps line rate |
| Maximum distance | Up to 100 metres |
| Compatibility | Compatible with most Gigabit SFP ports according to the manufacturer; exact host compatibility should still be confirmed |
| MTBF guidance | Approximately 100,000 hours at 25°C, as published by MikroTik |
| License requirement | No separate software license is normally associated with the transceiver; host-device software and support conditions remain relevant |
| Included components | Transceiver module; package contents should be confirmed with the quotation |
| Warranty guidance | Confirm current terms with FourTeck before ordering |
| UAE availability | Contact FourTeck for current options, quantity planning and vendor lead-time guidance |
Compatibility and dependency notice
An SFP cage is a physical form factor, not a guarantee that every module will work. The host device must support a copper SFP electrically and through its software. Some platforms accept third-party transceivers but limit monitoring data or support. Others may require a specific port configuration or may not negotiate every advertised speed. For that reason, compatibility should be checked using the exact router or switch model and, where possible, the current firmware release.
The remote endpoint matters as well. Confirm whether it uses automatic negotiation, a fixed speed, or a particular duplex setting. Cable category, patch-panel quality, connector termination, electromagnetic conditions and total channel length can affect performance. The published 100-metre reach assumes a properly designed copper Ethernet channel. A poorly terminated or damaged cable can create intermittent errors even at a shorter distance.
The S-RJ01 is intended for Gigabit-class copper connectivity. It should not be purchased for a 10 Gigabit copper requirement. Where the host has an SFP+ cage, support for a one-Gigabit copper SFP must still be confirmed because not every SFP+ platform handles lower-speed modules in the same way.
Purchase and deployment journey
Identify the host
Record the exact router, switch or appliance model and specify which SFP cage will be used.
Define the copper link
Confirm the endpoint, cable type, route length, required speed and whether auto-negotiation is expected.
Review compatibility
Check vendor documentation, software requirements and any limitations for copper transceivers in the intended port.
Confirm the quotation
Validate quantity, warranty terms, expected lead time, delivery destination and any configuration assistance.
Install and test
Insert the module correctly, connect the copper cable, verify link negotiation and check for errors under normal traffic.
Copper flexibility without replacing the host device
A modular network interface lets a business adapt the same router or switch to different media. The S-RJ01 can be useful when the equipment was purchased with SFP capacity but the operational requirement later changes to copper. Instead of adding a separate media converter or replacing the network platform, the team may be able to install the module and connect the required RJ45 cable directly.
This can reduce the number of powered devices in a rack and simplify cabling, although it does not remove the need for design checks. A media converter may still be more appropriate when electrical isolation, different speeds, longer distance or specific environmental conditions are required. The value of the S-RJ01 is therefore not that it replaces every conversion method, but that it offers a compact option for a clearly defined Gigabit-or-below copper link.
Procurement teams should view the module as part of a complete link rather than as an isolated accessory. The host port, module, cable, patch panels and remote port all contribute to the result. FourTeck can help review those elements before quotation so the selected item matches the intended topology.
Speed negotiation and practical link behaviour
The manufacturer describes the S-RJ01 as supporting 10, 100 and 1000 Mbps Ethernet. In real deployments, successful operation at a particular speed depends on the host platform and remote endpoint. Some SFP implementations are primarily designed for one-Gigabit operation and may handle lower-speed negotiation differently. A buyer who specifically requires 100 Mbps support should confirm that requirement against the exact device combination rather than relying only on the transceiver headline.
For a one-Gigabit connection, the published 1.25 Gbps figure represents the transceiver line rate used by Gigabit SFP interfaces, while the usable Ethernet link is 1000 Mbps. This distinction is important when comparing products. The module does not create a 1.25 Gbps user-data connection, and it should not be treated as a multigigabit copper adapter.
After installation, the network team should check negotiated speed and duplex, interface counters, error rates and stability under sustained traffic. If the link flaps or negotiates unexpectedly, test with a known-good short patch lead, confirm port settings, update supported firmware where appropriate and review vendor compatibility guidance before concluding that the module is faulty.
Operational simplicity for short-distance links
Copper remains practical inside many server rooms, offices, cabinets and branch sites because technicians understand RJ45 cabling and replacement patch leads are widely available. Where the distance is short and the required capacity is one Gigabit or below, the S-RJ01 can preserve that familiar operating model while using an SFP-equipped device.
The module is particularly relevant for a copper handoff from an internet modem, firewall, server management interface, legacy switch or test appliance. It can also support a temporary migration stage when a network is moving between copper and fibre architectures. In these scenarios, the main benefit is controlled flexibility rather than raw performance.
Network teams should still consider heat, airflow and port density when placing copper transceivers in tightly packed equipment. Copper modules can have different thermal behaviour from optical modules. The S-RJ01 should be installed in accordance with the host manufacturer’s guidance, especially when several transceivers are used in adjacent cages or the device operates in a warm cabinet.
Ideal business environments and use cases
Branch-office router connections
A branch router with an available SFP cage may need a short RJ45 link to a local access switch, service-provider device or firewall interface.
Small data rooms
The module can support nearby copper equipment in the same rack or room where deploying fibre would add unnecessary complexity.
ISP and integrator staging
Service providers and integrators may use the module during pre-deployment testing, customer handoff validation or equipment migration.
Mixed-media switching
A switch can use optical SFPs for remote links and an S-RJ01 for a nearby copper endpoint, subject to port compatibility and capacity planning.
Network laboratories
Engineers can connect copper devices to SFP-based platforms during validation, training or troubleshooting without a separate converter.
Temporary migration links
The transceiver may provide an interim copper connection while permanent fibre, switching or rack changes are being planned.
Integration and operational considerations
Start by confirming whether the intended SFP cage is dedicated, shared or combined with another interface. Some routers use combo ports where only one physical interface can be active at a time. Installing a module in such a cage may disable or conflict with an adjacent copper port. Review the host device documentation and planned interface configuration before scheduling the change.
Check the software configuration as well as the physical installation. The interface may need to be enabled, assigned to a bridge, added to a VLAN, configured with an IP address or included in a bonding group. These are host-device functions rather than features of the transceiver itself. A module can establish the physical link correctly while traffic still fails because the router or switch configuration is incomplete.
Cabling should be treated as part of the deployment. Use a suitable copper cable category for the required speed and environment. Confirm that patch panels, keystone jacks and couplers are correctly terminated. Avoid unnecessary joins and inspect cables for damage. Where the cable passes near electrical equipment, follow appropriate separation and grounding practices.
Monitoring expectations should also be realistic. Some devices report detailed optical diagnostics from fibre modules but provide less information for copper transceivers. The absence of temperature or diagnostic fields does not automatically mean the link is faulty. Operational checks should focus on negotiated speed, duplex status, packet errors, drops, link stability and real traffic performance.
Buyer questions to resolve before ordering
Provide the manufacturer, model, hardware revision and current software version where possible.
State whether the requirement is 10, 100 or 1000 Mbps and whether auto-negotiation is acceptable.
Include patch leads, horizontal cabling and any intermediate patch panels within the 100-metre design limit.
Identify the modem, firewall, server, switch or other endpoint and its port capabilities.
A physically compatible cage may still have speed or module restrictions that must be checked.
Clarify whether the quotation should cover interface setup, VLAN changes, testing or troubleshooting.
Procurement checklist
FourTeck consultation and quotation support
FourTeck can assist buyers who need to determine whether the MikroTik S-RJ01 is suitable for a planned copper link. The review can begin with the exact host device and the reason an RJ45 connection is required from its SFP cage. From there, the team can discuss target speed, distance, cabling, endpoint type, quantity and deployment location.
For a single replacement module, the priority may be straightforward model and compatibility confirmation. For a wider rollout, the requirement may include quantity planning, spare units, staging, configuration guidance and delivery coordination across multiple sites. Buyers can also request help comparing the S-RJ01 with optical SFP modules, direct copper ports, media converters or higher-speed RJ45 transceivers where the business requirement is not yet final.
A useful quotation request should include enough context to avoid selecting a physically similar but operationally unsuitable module. Share photographs of the host label or interface area when the exact model is uncertain. For more information about available network products, visit the FourTeck product portfolio. Buyers requiring installation or configuration planning can review the business technology services section or contact the team directly through the FourTeck UAE contact page.
UAE availability and support guidance
Contact FourTeck to confirm current UAE availability for the MikroTik S-RJ01. Availability may depend on quantity, supply channel, vendor lead time and the timing of the request. Delivery and project coordination can be discussed after the exact requirement is confirmed. Buyers should not assume that a quoted accessory is automatically compatible with every device that has an SFP cage.
For Dubai projects, provide the site location, host equipment, required quantity and preferred schedule. FourTeck can also coordinate requirements serving Abu Dhabi, Sharjah and Ajman through one combined review, helping procurement teams maintain consistent model and compatibility information across several locations. Installation and configuration scope should be included in the quotation when required. Warranty guidance, return conditions and package contents should also be confirmed before purchase because these details can vary by supply arrangement.
GCC availability
FourTeck can assist organisations planning S-RJ01 requirements across GCC markets by reviewing the intended host devices, module quantities, deployment locations and required copper link speeds before quotation. This is particularly useful for businesses standardising branch networks across the United Arab Emirates, Saudi Arabia, Kuwait, Qatar, Bahrain or Oman, where equipment revisions, local procurement processes and project schedules may differ. Product availability, delivery planning, service visits and vendor lead times can vary by country, quantity and requirement. Buyers should provide the destination country, exact host model, number of modules, expected installation date and whether configuration or testing support is needed. For Kuwait-related technology enquiries, the FourTeck Kuwait resource may also support regional coordination. No local-stock, customs-clearance or fixed-delivery assumption should be made until the quotation and destination details have been reviewed.
Africa availability
Organisations sourcing the MikroTik S-RJ01 for African projects can request assistance with model verification, compatibility review, accessory planning, quantity estimates and deployment coordination. Requirements may involve a single office, an internet-service-provider network, a managed-service rollout or a multi-country branch standard. Availability and fulfilment can depend on destination, quantity, supply route, power and environmental conditions, shipping arrangements, vendor lead time and local project scope. Buyers should share the destination country, host router or switch model, required quantity, cable distance, target speed and any installation or support expectations. FourTeck resources for African technology projects, Kenya requirements and Uganda requirements can help structure the enquiry. Local inventory, immediate shipment, customs outcomes or country-wide onsite coverage should not be assumed until the project details are confirmed.
Related products and service options
MikroTik optical SFP modules
Consider an optical transceiver when the link exceeds copper distance limits, needs electrical isolation or must run over fibre infrastructure.
Higher-speed RJ45 transceivers
For 2.5, 5 or 10 Gigabit copper requirements, review a module specifically designed for the target speed and host platform.
MikroTik routers and switches
A wider hardware review may be appropriate when the current device lacks sufficient ports, capacity, power budget or management features.
Network installation support
Request assistance with cabling checks, module installation, port configuration, VLAN setup and post-installation testing where required.
Why businesses contact FourTeck
Businesses contact FourTeck for practical assistance rather than unsupported promises. The team can help clarify whether a copper SFP is the right technical approach, identify the information needed for a compatibility check, coordinate a quotation and discuss any installation or configuration scope. This is useful when procurement staff have a product code but need engineering context before placing an order.
FourTeck can also help create a simple bill of materials that includes the correct module quantity, spares and any related network equipment. Where the S-RJ01 is part of a larger migration, the discussion can cover fibre alternatives, switching changes, cable testing and staged deployment. Visit the FourTeck company overview for broader business information or use the contact page to discuss the exact requirement.
Frequently asked questions
What is the MikroTik S-RJ01 used for?
It converts a compatible Gigabit SFP port into an RJ45 copper Ethernet interface for 10, 100 or 1000 Mbps links.
Does the S-RJ01 provide 1.25 Gbps Ethernet throughput?
No. The published 1.25 Gbps figure is the transceiver line rate associated with Gigabit SFP operation. The practical Ethernet link speed is up to 1000 Mbps.
Will it work in every SFP or SFP+ port?
No universal guarantee should be assumed. Confirm the exact host model, port type, firmware and vendor support for copper SFP modules.
What is the maximum cable distance?
MikroTik publishes a maximum distance of 100 metres. The actual result depends on suitable cabling, correct termination and installation conditions.
Can it connect at 100 Mbps?
The product is described as supporting 10/100/1000 Mbps, but lower-speed behaviour should be confirmed with the specific host and endpoint combination.
Does the module require a license?
The transceiver itself does not normally require a separate software license. The host device may still have software, support or configuration requirements.
Is installation complicated?
Physical installation is generally straightforward, but the port may require configuration and the link should be tested for negotiated speed, errors and stability.
What information is needed for a quotation?
Provide the host device, quantity, required speed, cable distance, delivery location and whether installation or configuration support is required.
Is the S-RJ01 currently available in Dubai?
Availability can vary. Contact FourTeck to confirm current UAE options, vendor lead time and quantity-specific quotation details.
Can FourTeck assist with compatibility checks?
Yes. Share the exact host model, software version, remote endpoint and intended link details so the requirement can be reviewed before ordering.
Confirm the module before you order
Send FourTeck the host device model, required quantity, cable distance and target speed. The team can help review compatibility, current UAE availability and quotation requirements.
