Registered Jacks is abbreviated as Rj, and the number is assigned as per its physical characteristics. These are first discovered by Bell Laboratories in 1973. The registered jacks are commonly considered to be female, whereas plugs are considered male in connectors.
Registered jacks are devices that have huge applications in telecommunication that is it connect transmission local area network with the customer’s device.
Nowadays, these cables and connectors are getting obsolete due to the increased use of wireless connections. There are many kinds of connectors with varying numbers of pins. But the most popular of them are Rj48 and Rj50. There is very little difference between the physical appearance of Rj48 and Rj50, but they have a huge difference in their working and construction. It is very difficult to classify them on the basis of their looks but can be differentiated by counting their number of pins.
Rj48 vs Rj50
The difference between Rj48 and Rj50 is that the configuration of the two connectors. The Rj48 is an 8P8C configuration, which means that the connector has 8 positions and 8 contacts. On the other hand, Rj50 has a 10P10C configuration which means it is 10 positions and 10 contacts modular connectors.
Rj48 is a long rectangular connector with dimensions 0.3*15.6*0.63 cm and a weight of approximately 299 gm. It has copper pins, which are coated with gold to prevent rusting. It can be connected to cables to transmit high-speed data. It is mostly used in Local Area Network (LAN), T1 data lines, and STP.
Rj50 is also a long rectangular and transparent modular connector having a dimension of 12*1.27*1.6 cm and a weight of approximately 136 gm. It has copper pins, which are coated with gold to prevent rusting. It can be used with stranded wires. It is mainly used in test equipment, computer accessories, etc. these have a huge and special application in bar code systems.
Comparison Table Between Rj48 and Rj50
|Parameters of Comparison||Rj48||Rj50|
|Physical appearance||Clear appearance and long, have copper contact pins coated with gold.||Long and rectangular, have phosphor bronze pins coated with gold.|
|Application||LAN, T1 data lines, telephone connections, etc.||Bar Code Systems, Test equipment, computer accessories, etc.|
|Accepted Cables||Twisted wire pair of cables||Solid or Stranded wires|
|Cost||Cheaper to Rj50||Costlier to Rj48|
What is Rj48?
Rj48 is a modular connector. It has an 8P8C configuration which means that this modular connector has 8 positions and 8 connection points. Rj48 is a long rectangular connecter with dimensions 0.3*15.6*0.63 cm and a weight of approximately 299 gm.
It has copper pins, which are coated with gold to prevent rusting. This connector uses pins 1, 2, 4, and 5 to transmit and receive data. This connector can be used with CAT 5, CAT 6, and CAT6a. It has a high data transfer rate of 1 GB/sec.
These connectors are attached to cables on two ends and are used for data transfer from the provider to the consumer. The most common use of Rj48 is in T1 data lines and Local Area Networks. It also has other applications such as the connection between Pc and printers, etc. As these are used in the open environment to protect the data as well as the wires, the cables used ate Shielded Twisted Pair cables (STP).
This connector has 2 pins to transmit signal, 2 pins to receive signals, 2 pins for draining the signal, and the remaining 2 pins are unused.
This connector cable is more popular due to its vast use in networking. Most of the Ethernet cables have these crimped on both sides. It is also cheaper compared to Rj50.
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What is Rj50?
Rj50 is a modular connector. It has a configuration of 10P10C which means it is a modular connector with 10 positions and 10 connection points. Rj50 is also a modular connecter having a dimension of 12*1.27*1.6 cm and a weight of approximately 136 gm.
It has a contact material of phosphor bronze pins which are covered with gold to prevent rusting and have high durability and high data connection speed. It has a broader application in comparison to Rj48. This connector is also called an Rj45 10 pin which is not logical as per the physical characteristics of the connector.
This connector mainly accepts solid or stranded wires. It has a wire gauge range of 24 AWG – 26 AWG. This has 2 input analog signal connections, 2 sensor excitation connections, 2 remote sensing connections, 2 shunt calibration connections, one pin to receive data, and the other to transfer data.
It has a rated current of 1.5A and a rated voltage of 1000 v. These connectors have a huge and special application in bar code systems. It has less use than Rj48 as its cost is higher and needs special maintenance. It can accommodate 10 wires at a time as it has 10 contacts in it. It is never considered as a standard registered jack by
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Main Differences Between Rj48 and Rj50
- Rj48 has an 8P8C configuration, whereas Rj50 has a 10P10C configuration.
- The contact pins of Rj48 are made of copper, and the contact pins of Rj50 are made of phosphor bronze.
- Rj48 can accommodate 8 wires at a time, whereas Rj50 can accommodate 10 wires at a time.
- Rj48 is mainly used with Shielded Twisted Pair cables (STP), whereas the Rj50 mainly accepts stranded or solid wires.
- It has main applications in T1 data connections, Local Area Networking (LAN), etc. and the Rj50 have its main usage in bar code system and test equipment, etc.
- Rj50 is costlier than Rj48.
- Rj48 is more popular and has a high amount of application as compared to Rj50.
Both these registered jacks are available in the market in both shielded and unshielded forms. These are mainly hardware items. They have more secure and safe data transfer properties.
But due to increases in wireless networking, their usage is going down. The data transfer through wires is faster as compared to wireless because they do not have any obstruction in their paths.
Shielded connectors are mandatory to be used with shielded connectors. These are safer for the exposed environment. They have long-life applications and are less corrosive to the environment.
Last update on 2021-10-17 / Amazon Affiliate links / Images from Amazon Product Advertising API