RJ11-RS232

     RJ11-RJ45  










Schematic of the RJ45 wiring to a phone jack
Schematic of the RJ45 wiring to a phone jack

RJ11 - RJ45


This adapter consists of a to Network RJ45 and RJ11 plug for the phone.

An RJ11 plug, these are the two contacts of the centre, numbered 2 and 3, which are used to the phone line.
In the wall outlets, they lead to contacts 1 and 3 of the decision in T.
On a RJ45, these are also the two contacts of the centre, numbered 4 and 5, who are used to the phone line.

The wiring is as follows :



RJ11 RJ45
2 7
3 4
4 5
5 8




an RJ11 to RJ45 adapter
an RJ11 to RJ45 adapter

RJ45 to T grip


It is recommended to use the RJ45 connected network star for new telephone installations.
The 8P8C (8 positions and 8 electrical contacts) connector is commonly used for Ethernet connections.

The RJ45 plug has 8 links generally cable like this :





PINS TWISTED PAIR COLORS
1 WHITE / GREEN
2 GREEN
3 WHITE ORANGE
4 BLUE
5 WHITE / BLUE
6 ORANGE
7 WHITE / BROWN
8 BROWN




RJ11 to RJ45 wiring
RJ11 to RJ45 wiring

RJ11


An RJ11 plug physically resembles a RJ12 Plug and has exactly the same dimensions, but there are only 4 strands used (unlike the RJ12 using 6 strands).


The female RJ11 has 8 links numbered this :





POSITION NO. TWISTED PAIR R/T COLOR TWISTED PAIR
1 PAIR N ° 3 T WHITE / GREEN
2 PAIR N ° 2 T WHITE / ORANGE
3 PAIR NO. 1 R BLUE
4 PAIR NO. 1 T WHITE / BLUE
5 PAIR N ° 2 R ORANGE
6 PAIR N ° 3 R GREEN




presentation of the RJ11 and RJ45 connectors
presentation of the RJ11 and RJ45 connectors

Connectors


Each country has standardized the domestic phone jacks. However, all countries do not have the same standards and standards.
There are about 44 different variations of catch. In Germany it is the TAE connector.