Understanding The Line Connection Details
Common Equipment Type
Line Jack
Pin No.
Connection
Telephone Number
J0408,
J0816,
and
J1632
1
1
Auxiliary 1 (Line 2) Tip
2
Line 2 Tip
3
Line 1 Tip
4
Line 1 Ring
5
Line 2 Ring
6
Auxiliary 1 (Line 2) Ring
2
1
Auxiliary 2 (Line 4) Tip
2
Line 4 Tip
3
Line 3 Tip
4
Line 3 Ring
5
Line 4 Ring
6
Auxiliary 2 (Line 4) Ring
J0816
and
J1632
3
1
No Connection
2
Line 6 Tip
3
Line 5 Tip
4
Line 5 Ring
5
Line 6 Ring
6
No Connection
4
1
No Connection
2
Line 8 Tip
3
Line 7 Tip
4
Line 7 Ring
5
Line 8 Ring
6
No Connection
J1632
5
1
No Connection
2
Line 10 Tip
3
Line 9 Tip
4
Line 9 Ring
5
Line 10 Ring
6
No Connection
6
1
No Connection
2
Line 12 Tip
3
Line 11 Tip
4
Line 11 Ring
5
Line 12 Ring
6
No Connection
7
1
No Connection
2
Line 14 Tip
3
Line 13 Tip
4
Line 13 Ring
5
Line 14 Ring
6
No Connection
8
1
No Connection
2
Line 16 Tip
3
Line 15 Tip
4
Line 15 Ring
5
Line 16 Ring
6
No Connection
DSU II Digital Telephone System
IMI66–132
Installing The DSU II Digital Telephone System 2 – 15
Summary of Contents for DSU II
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