Black Box Abeo Manual And Installation Manual page 9

3.3 Balanced RJ 45 E1 G.703 Network Port
3.3.1 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.
DSU port
pin
1
2
3
4
5
6
7
8
Abeo/Opticon Fibre Converters
Pin
1
2
3
4
5
6
7
8
DSU port
function
Tx tip
Tx ring
Tx shield
Rx tip
Rx ring
Rx shield
Not connected
Not connected
Function
Tx tip
Tx ring
Tx shield
Rx tip
Rx ring
Rx ring
Not connected
Not connected
Terminal
port pin
1
2
3
4
5
6
Not connected
Not connected
9
Terminal port
function
Rx tip
Rx ring
Rx shield
Tx tip
Tx ring
Tx shield
Not connected
Not connected