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Page 49
Version 6.0
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NovaTec
Mobile Gateway S20
4.11.14 CAU Pin Assignment
The contact pins in the plug are arranged in two rows (Row A and Row C) with each row
providing 32 contacts. As this plug is only equipped with every second contact there are
16 contacts per row and the contacts in each row are numbered from 2 to 32. The following
picture shows this in detail.
Picture 24:
CAU pin assignment
Picture 25:
Positioning of the CAU coding switch
Coding switch to activate/deactivate the terminating resistor
for basic rate interfaces
Terminal equipment interfaces 2 Light emitting diodes Terminal equipment interfaces 1
12
34
OFF
12
34
OFF
Int
erface-
1
-2
-3
-4
12
34
OFF
12
34
OFF
-5
-6
-7
-8
12
34
OFF
12
34
OFF
-9
-10
-1
1
-12
Ba
sic
r
ate
e
x
pa
nsio
n bo
ar
d
1
Ba
sic
r
ate
e
x
pa
nsio
n bo
ar
d
2
Ba
sic
r
ate
e
x
pa
nsio
n bo
ar
d
3
CA
U
Trunk and terminal equipment interfaces 2
Trunk and terminal equipment interfaces 1
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
