9
Connect the cable to the switchable S0
connection of the module
- Mark the cable with the included
marking system
- Strip 11 mm off the wires
- Push the individual wires into the
terminal until they move no further
without
pressing the terminal spring.
- To separate a connection, use a suitable
tool (screwdriver with a narrow blade) to
press down the terminal spring and pull
out the wire.
- Switching over to internal S0 connection
On the module, set all switches of the
DIP switch S 1300 to "ON" (all sliders to
the right).
Guide the cable through the cable comb
element.
Figure 4: Wiring an
internal S0 connection
100
Ω
Wire pair 1: a1, b1
Wire pair 2: a2, b2
b1
b2
a1
a2
S
0
- internal
100
Ω
Max. distance
130 m S
0
-bus
1
UAE
2 3 4 5
6
7 8
1
UAE
2 3 4 5 6 7 8
1
UAE
2 3 4 5 6 7 8
1
UAE
2 3 4 5 6
7
8
b1
b2
a1
a2
S
0
- internal
100
Ω
100
Ω
IAE
1a 1b
2a 2b
IAE
1a 1b
2a 2b
IAE
1a 1b
2a 2b
IAE
1a 1b
2a 2b
Colour Code for Telephone Cable CW1308
SO Bus
Contact
Colour
a1
4
Blue/white Bands
b1
5
White/Blue Bands
a2
3
White/Orange Bands
b2
6
Orange/White Bands
Colour Code for T568B (CAT5)
SO Bus
Contact
Colour
a1
4
Blue/White
b1
5
White/Blue
a2
3
White/Green
b2
6
Green/White
Colour Code for T568 A (ISDN)
SO Bus
Contact
Colour
a1
4
Blue/white
b1
5
White/Blue
a2
3
White/Orange
b2
6
Orange/White
Most common used standard for SO Bus
installation is T568B (CAT5)
Ensure that pairs are not mixed up.
