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| Application | Image | Types | Features | Postion/Contact | Shielding | Interface shape | Cable application |
| Telephone |  |
RJ12/RJ25 | Half Shielding | 6P/6C | Yes | Square | 23~26AWG |
 |
RJ12/RJ25 | Two Screw Hole | 6P/6C | No | Square | 23~26AWG | |
 |
RJ12/RJ25 | Lengthened | 6P/6C | No | Round | 23~26AWG | |
 |
RJ25 | Lengthened | 6P/4C (2-3-4-5) |
No | Square | 23~26AWG | |
 |
RJ12/RJ25 | Lengthened | 6P/6C | No | Round | 23~26AWG | |
 |
RJ25 | Short | 8P/2C (4-5) |
No | Square | 23~26AWG | |
 |
RJ12/RJ25 | Locking bolt to the right | 6P/6C | No | Square | 23~26AWG | |
 |
RJ25 | Locking bolt to the right | 6P/4C (1-2-5-6) |
No | Square | 23~26AWG | |
 |
RJ25 | Locking bolt to the right | 6P/2C (3-4) |
No | Square | 23~26AWG | |
 |
RJ25 | Locking bolt to the right | 6P/2C (5-6) |
No | Square | 23~26AWG | |
 |
RJ25 | Locking bolt to the left | 6P/2C (3-4) |
No | Square | 23~26AWG | |
 |
RJ25 | Locking bolt to the left | 6P/2C (1-6) |
No | Square | 23~26AWG | |
 |
RJ25 | Short | 6P/6C | No | Square | 23~26AWG | |
 |
RJ12/RJ14 | Short | 6P/4C (2-3-4-5) |
No | Square | 23~26AWG | |
 |
RJ11 | Short | 6P/2C (3-4) |
No | Square | 23~26AWG | |
 |
RJ9 | / | 4P/4C | No | Round | 23~26AWG | |
 |
RJ9 | / | 4P/4C | No | Square | 23~26AWG | |
 |
RJ9 | / | 4P/2C | No | Square | 23~26AWG | |
| What you need to know about RJ9/RJ10/RJ22? ● RJ9 is actually at times denoted as the RJ10 or RJ22. so RJ9=RJ10=RJ22 ● RJ9/RJ10/RJ22 have 4 Positions, 2 or 4 Contacts ● RJ9/RJ10/RJ22 are typically terminated on 4 conductor curly phone cable and used to connect a telephone handset to a telephone receiver, they have a unique configuration type ● Since telephone handsets/headsets do not connect directly to the public network, they do not have a specific registered jack code. ● Please Note RJ9 is not an official plug What you need to know about RJ11? ● RJ11, RJ12, RJ14 and RJ25 are the same series, with the same size 9.5mm wide, but the number of contacts is different ● RJ11 has two configuration types, 6 Positons, 2 or 4 Contacts, Commonly used is 6P2C ● Registered Jack 11 is a telephone interface that uses a cable of twisted wire pairs and a modular jack with 2 or 4 contacts ● RJ11 uses a standard 6P2C connector for a standard telephone connector. It only uses a 6P4C connector when low voltage power is required to send to the indicator lamp of the telephone ● RJ11 is most commonly used for telephone and modem connections, plugging a telephone into the wall and the handset into the telephone ● Used in ADSL, Modems, Telephones, Establishing bridged connection in telephone lines ● RJ11 is an analog telephone connection, Bandwidth up to 24 Mbps can be supported What you need to know about RJ12/RJ25? ● RJ12/RJ25 utilizes all six slots, so it must be 6P6C ● RJ12/RJ25 enjoins a central telephone system with single telephone lines through a line circuit ● RJ12/RJ25 is used for centralized telephone networks in office ● RJ12/RJ25 requires specialized 6-flat ribbon standard cables; it contains six thin color coded copper wires, these colors are white, black, red, green, yellow and blue ● In practical applications, there are some special customized RJ12/RJ25, which may be 6P4C or 6P2C What you need to know about RJ14? ● RJ14 connector has 6 positions in which 4 are installed,6P4C,The pins are 2-3-4-5 ● When RJ11 is 6P4C, it`s same with RJ14, but RJ14 has no 6P2C ● RJ14 has 4 wires and used for connector to two analog telephone lines. ● RJ14 is also common to have an RJ14 connection that goes through a junction box and is then split into two RJ connections that lead to two separate telephone units. |
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| Application | Image | Types | Features | Postion/Contact | Shielding | Interface shape | Cable application |
| Ethernet |  |
RJ45 | CAT5 For Printer |
8P/8C | No | Round | 23~26AWG |
 |
RJ45 | CAT5 For Industry |
8P/8C | Yes | Round | 23~26AWG | |
 |
RJ48 | CAT5E | 8P/8C | Yes | Round | 23~26AWG | |
 |
RJ45 | Vector Converter Adapter | 8P/8C | No | / | / | |
 |
RJ45 | CAT5E CAT6 |
8P/8C | Yes | Round | 23~26AWG | |
 |
RJ45 | CAT5E CAT6 |
8P/8C | Yes | Round | 23~26AWG | |
 |
RJ45 | CAT5E CAT6 CAT6E |
8P/8C | No | Round | 23~26AWG | |
 |
RJ45 | CAT5E | 8P/4C | No | Round | 23~26AWG | |
 |
RJ45 | CAT5E | 8P/2C | No | Round | 23~26AWG | |
 |
RJ45 | CAT5E CAT6 CAT6E Short |
8P/8C | No | Round | 23~26AWG | |
 |
RJ45 | CAT5E | 8P/8C | No | Round | 23~26AWG | |
 |
RJ45 | CAT7 | 8P/8C | Yes | Round | ID: 1.2mm | |
 |
RJ45 | CAT5E CAT6 CAT6E Assembly type |
8P/8C | No | Square | 23~26AWG | |
 |
RJ45 | CAT6E CAT7 |
8P/8C | Yes | Round | ID:1.3mm | |
 |
RJ45 | CAT6E CAT7 |
8P/8C | Yes | Round | OD: 6.4-9.0mm | |
 |
RJ45 | CAT7 | 8P/8C | Yes | Round | OD: 6.5mm Max |
|
 |
RJ45 | CAT6E | 8P/8C | No | Round | OD: 6.0mm Max |
|
 |
RJ45 | CAT6E | 8P/8C | Yes | Round | OD: 8.0mm Max |
|
| What you need to know about RJ45? ● RJ45 is a telco data connection that has been obsolete for many years ● 8 positian,8 Contacts ● RJ45 are used in networking, where one connects computers or other network elements to each other ● RJ45 is typically used in Network wiring such as CAT5E/CAT6 ● RJ45 connectors are slightly bigger than RJ11, RJ12, RJ14, and RJ25 ● Its Bandwidth up to 10Gsbps over Ethernet can be supported ● RJ45 can be wired into two different ways: TS68A and T568B, which are used to terminate the twisted pair cable onto the connector interface What you need to know about RJ48? ● Registered Jack 48 is a data communications interface that uses a cable of twisted wire pairs and an 8-pin modular jack ● RJ48 uses the same plug and socket as RJ45, 8 positian,8 Contacts, but RJ48 has different Pinouts ● It uses the same plug and socket as RJ45 but has different Pinouts ● RJ48 is used for connecting T1, EI and J1 lines ● RJ48C is commonly used for T1 lines and uses pins 1, 2, 4 and 5 ● R148X is a variation that contains shorting blocks in the jack so that a loopback is created for troubleshooting when unplugged ● RJ48S uses pins 1, 2, 7 and 8 and is commonly used for 56 kbps digital lines ● Used in communication wiring and data environments |
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