Are there different types of Ethernet connectors?
David Craig
Updated on April 02, 2026
Ethernet connectors RJ45: This is the standard “Registered Jack 45” connector that Ethernet cables use. There are two variations based on how wires are colored and arranged, the more popular T568B standard and less common T568A standard (not particularly important unless you are doing detailed wiring).
What is the difference between RJ45 and Ethernet cable?
RJ45 is the electrical interconnection standard that defines the connector and how the wires are arranged at the end of the cable while CAT5 is a standard regarding Ethernet cables. CAT5, a common contraction for category 5, is a classification of cables that are used for Ethernet networks.
How do I identify an Ethernet cable?
So, how do you tell what sort of cables you have? Most ethernet cables have some information printed along the sheath. You’re looking for something that says “Category” followed by a number. On some cables, the word “category” is abbreviated to “cat”.
Are all Ethernet connectors the same?
Each cable with a higher number is a newer standard. And yes, these cables are backwards compatible. They are just built to support communicating at faster speeds if you have modern devices that support it.
Is Cat 5 the same as RJ45?
The difference between RJ45 and CAT5 is that RJ45 means electrical interconnection standards that is a connector whereas CAT5 is a standard related to the ethernet cables. CAT5 is easily replaceable, which makes managing them more manageable.
What is the difference between a Cat 5 and Cat 6 connector?
The main difference between CAT5e and CAT6 cable lies within the bandwidth, the cable can support for data transfer. CAT6 cables are designed for operating frequencies up to 250 MHz, compared to 100 Mhz for CAT5e. This means that a CAT6 cable can process more data at the same time.
Are RJ11 still used?
RJ11 has a 6P2C or 6P4C configuration, and is used for wiring a single phone line….Comparison chart.
| RJ11 | RJ45 | |
|---|---|---|
| Usage | Phones, ADSL lines, modem cables. RJ11 is mostly used for voice applications. | Computer networking. RJ45 is used in Ethernets or connecting cable modems with Wi-Fi routers. |
What types of fiber connectors does L-Com offer?
In fiber connectors, L-com offers fiber FC, fiber LC, fiber MPO with, and without alignment pins, MTRJ, MU, fiber SC, ST, and SMA906. Among these the LC and SC connectors can be terminated very quickly in the field without the need for costly splicing equipment or curing ovens, nor do they require any expertise.
What types of Ethernet cables do you offer?
Our continuously expanding portfolio of standard, unique, and custom Ethernet cables, Ethernet connectors and Ethernet cable assemblies include a choice of Cat 5e, Cat 6, Cat 6a, and Cat 7 to support high bandwidth networking.
What type of cable connectors are available off the shelf?
From AV to popular coaxial connectors that are used to convey video, voice, or data, we stock hundreds of other high-quality connectors that are available off-the-shelf. Our complete range of cable connectors include: Among connectors used for antenna systems, we have the FS1 series in the AISG connector type.
What are Cat5e RJ45 connectors?
These Cat5e RJ45 connectors come with a superior two-prong contact design that works for both solid and stranded conductors. In fiber connectors, L-com offers fiber FC, fiber LC, fiber MPO with, and without alignment pins, MTRJ, MU, fiber SC, ST, and SMA906.
