Chapter 3 - Installing Extensions and Trunks
S
3-2
ECTION
RJ-45 CONNECTIONS
3.2.1
Making RJ-45 Cables
For network devices, such as IP phones, RJ-45 cables are used to connect the system to the LAN. Use the
following pin information when creating your own RJ-45 cables.
3 - 2
Female
Pin
Name
1
T X 3+
Tranceive Data
2
T X 3-
Tranceive Data
3
RX 2+
Receive Data
4
BI 1-
Bi-Directional Data
5
BI 1+
Bi-Directional Data
6
RX 2-
Receive Data
7
BI 4+
Bi-Directional Data
8
BI 4-
Bi-Directional Data
Figure 3-2: RJ-45 CABLE PIN-OUT
Male
Description
Cable Color
white/green
green
white/orange
blue
white/blue
orange
white/brown
brown
Chapter 3