Common Equipment Jack
PIN 1 No Connection
PIN 2 Odd Station (Tip)
PIN 3 Even Station (Tip)
PIN 4 Even Station (Ring)
PIN 5 Odd Station (Ring)
PIN 6 No Connection
Line Jack
PIN 1
No Connection
PIN 2
IST 2 (Tip)
PIN 3
IST 1 (Tip)
PIN 4
IST 1 (Ring)
PIN 5
IST 2 (Ring)
PIN 6
No Connection
6
5
4
3
2
1
PIN Locations On
Jacks - Front View
Earth
Ground
(Optional)
1
2
3
4
5
6
7
8
10
11
12
13
14
15
16
17
18
1
20
21
22
23
24
25
26
27
28
2
30
31
32
33
34
35
36
37
38
3
40
41
42
43
44
45
46
47
48
4
50
CLIP TERMINALS
50
26
1
25
Typical Station
Connector Block
ATI-D
Common
Equipment
Jack
Line Jack
Connect to Station Connector Jack
ATI3
On-Permise IST Jacks 1 and 2
Interconnecting The ATI-D
DSU II Digital Telephone System
IMI66–132
Installing The DSU II Digital Telephone System 2 – 69
Summary of Contents for DSU II
Page 31: ......