Aastra TA7102i Hardware Installation Manual page 40

Table 10: RJ-45 Pinout Information
Pin # Function
1 Transmit +
2
Transmit -
3
Receive +
4
N/A
5
N/A
6
Receive -
7
N/A
8
N/A
The RJ-45 cable uses two pairs of wires: one pair for transmission and the second pair for
reception. It is wired so that pins 1 & 2 are on one twisted pair and pins 3 & 6 are on a second
pair according to common wiring standards which meet the EIA/TIA T568A and T568B
requirements.
Figure 7: Straight Through Connectivity
Pin 1
Pin 2
Pin 3
Pin 6
Pin Name and Function
The following is the function of each pin in a RJ-45 cable.
© 2014 Aastra Sweden | 153_1531 ANF 90114| A | 2014-01-24
Colour Coding
EIA/TIA 568A
White with green stripe
Green with white stripe or solid
green
White with orange stripe
Blue with white stripe or solid
blue
White with blue stripe
Orange with white stripe or solid
orange
White with brown stripe or solid
brown
Brown with white stripe or solid
brown
Pin 1
Pin 2
Pin 3
Pin 6
39
TA7102i Hardware Installation
EIA/TIA 568B AT&T 258A
White with orange stripe
Orange with white stripe or solid
orange
White with green stripe
Blue with white stripe or solid
blue
White with blue stripe
Green with white stripe or solid
green
White with brown stripe or solid
brown
Brown with white stripe or solid
brown