DESCRIPTION OF PARTS
8
2. 5 Balanced RJ45 E1 Line (Network) Port
The layout of the female RJ45 network port mounted on the rear panel is shown below:
Figure 2.7 RJ45 network port layout
2 . 5. 1 Connecting to a terminal device
A connecting cable from the network port to a terminal port such as a router or a PABX is
straight through. Connections are defined in the table below.
Figure 2.8 Connection from DSU to terminal device
Pin
Function
1
Tx tip
2
Tx ring
3
Tx shield
4
Rx tip
5
Rx ring
6
Rx shield
7
Not connected
8
Not connected
DSU
port pin
DSU port
function
Terminal port
pin
Terminal port
function
1
Tx tip
1
Rx tip
2
Tx ring
2
Rx ring
3
Tx shield
3
Rx shield
4
Rx tip
4
Tx tip
5
Rx ring
5
Tx ring
6
Rx shield
6
Tx shield
7
Not connected Not connected Not connected
8
Not connected Not connected Not connected
