MikroTik S-RJ01 RJ45 SFP 10/100/1G Copper Module
The MikroTik S-RJ01 is an RJ45 SFP 10/100/1000M copper module designed to convert a compatible Gigabit SFP port into a standard RJ45 copper Ethernet interface. It is compatible with most Gigabit SFP ports available on various networking devices and supports bi-directional data links of up to 1.25 Gbps.
MikroTik S-RJ01 RJ45 SFP Copper Module
The S-RJ01 provides a convenient way to connect conventional twisted-pair Ethernet cabling to networking equipment equipped with an SFP port. Instead of using a fiber-optic SFP module, the S-RJ01 provides an RJ45 copper interface for standard Ethernet cables.
10/100/1000 Mbps Ethernet Support
The module supports 10 Mbps, 100 Mbps and 1000 Mbps Ethernet, making it suitable for a range of copper Ethernet connections. MikroTik specifies a data rate of up to 1.25 Gbps bi-directional for the module.
RJ45 Copper Connectivity
The S-RJ01 features a standard RJ45 connector and allows compatible SFP-equipped networking devices to connect to regular copper Ethernet cabling. This is useful when a device has an available SFP cage but the network connection is based on conventional twisted-pair Ethernet.
Up to 100 Meter Transmission Distance
MikroTik specifies transmission distances of up to 100 meters over unshielded Ethernet cable. This makes the S-RJ01 suitable for standard short- and medium-distance copper network links.
Compatible with Gigabit SFP Ports
The S-RJ01 is designed to work with most Gigabit SFP ports available on various networking devices. It can therefore be useful for switches, routers and other network equipment that provides a compatible Gigabit SFP interface.
Hot-Pluggable SFP Design
The S-RJ01 uses a standard hot-pluggable SFP footprint, allowing it to be inserted into a compatible SFP cage without requiring a separate interface card. MikroTik's technical documentation also specifies a single +3.3V power supply.
IEEE and SFP MSA Compliance
The module is specified as compliant with IEEE 802.3 and the SFP Multi-Source Agreement (MSA). It is also listed as RoHS compliant.
Ideal for Network Equipment with SFP Ports
The S-RJ01 is particularly useful when an SFP-equipped router or switch needs to connect to an existing copper Ethernet network. It can help avoid the need to replace compatible network equipment simply because the available interface is SFP rather than RJ45.
Technical Specifications
| Brand | MikroTik |
| Model | S-RJ01 |
| Product Type | RJ45 SFP Copper Module |
| Connector | RJ45 |
| Ethernet Speed | 10/100/1000 Mbps |
| Data Rate | Up to 1.25 Gbps bi-directional |
| Transmission Distance | Up to 100 meters |
| Cable Type | Unshielded twisted-pair Ethernet |
| Interface | Hot-pluggable SFP footprint |
| Power Supply | +3.3V |
| Operating Temperature | 0°C to +85°C |
| Compliance | IEEE 802.3, SFP MSA, RoHS |
| MTBF | Approximately 100,000 hours at 25°C |
Applications
- Converting Gigabit SFP ports to RJ45 Ethernet
- Switch-to-switch copper connections
- Router-to-switch connections
- Connecting SFP-equipped devices to Ethernet networks
- Network infrastructure upgrades
- Structured copper network installations
- Data center networking
- Enterprise network deployments
- ISP networking infrastructure
- Network laboratory environments
Compatibility Considerations
Although the S-RJ01 is compatible with most Gigabit SFP ports, compatibility should be verified for the specific networking device before installation. MikroTik's documentation lists compatibility with several of its product families, including Cloud Core Routers, Cloud Router Switches, RB2011 Series and RB260GS Series.
The S-RJ01 is intended for Gigabit SFP ports. It should not be confused with MikroTik's S+RJ10, which is designed for SFP+ ports and supports multi-gigabit speeds up to 10 Gbps.
Why Choose MikroTik S-RJ01?
The MikroTik S-RJ01 is a practical solution for users who need to connect standard RJ45 copper Ethernet cabling to compatible SFP-equipped networking hardware. Its 10/100/1000 Mbps support, RJ45 interface and up to 100-meter transmission distance make it suitable for many conventional Ethernet installations.
For networks that already use copper Ethernet cabling, the S-RJ01 can provide a straightforward way to make use of an available Gigabit SFP port without requiring a fiber-based connection.
Frequently Asked Questions
What is MikroTik S-RJ01?
MikroTik S-RJ01 is an RJ45 SFP copper module that converts a compatible Gigabit SFP port into a copper Ethernet interface.
What speeds does S-RJ01 support?
It supports 10 Mbps, 100 Mbps and 1000 Mbps Ethernet and has a specified data rate of up to 1.25 Gbps bi-directional.
What connector does the S-RJ01 use?
The module uses a standard RJ45 connector.
What is the maximum distance of S-RJ01?
MikroTik specifies a maximum transmission distance of 100 meters over unshielded Ethernet cable.
Can S-RJ01 be used with an SFP port?
Yes. It is specifically designed to provide RJ45 copper connectivity through a compatible Gigabit SFP port.
Is S-RJ01 compatible with SFP+ ports?
The S-RJ01 is a Gigabit SFP module and should be used with compatible Gigabit SFP interfaces. For SFP+ connectivity, MikroTik offers the separate S+RJ10 module.
Is S-RJ01 hot-pluggable?
Yes. MikroTik's technical documentation specifies a hot-pluggable SFP footprint.
Which MikroTik devices support S-RJ01?
MikroTik documentation lists compatibility with Cloud Core Routers, Cloud Router Switches, RB2011 Series and RB260GS Series, among other compatible Gigabit SFP devices.
Can I use S-RJ01 for a standard Ethernet cable?
Yes. The RJ45 interface is designed for copper Ethernet cabling, with MikroTik specifying up to 100 meters over unshielded cable.
