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F
. 5 - 44022 S
IG
UBSCRIBER
P
14
AGE
INSTALLATION
L
I
P
D
INE
NTERFACE
IN
ESIGNATIONS
56
54
52
50
48
46
44
Distribution Output
42
On-Hook Tone Input
40
Off-Hook Tone Input
38
Busy Tone Input
36
Ringback Tone Input
34
Alert Tone Input
32
Interrupt
30
All Call
28
Group Call
26
Local Station
24
Busy
22
20
18
Clear
16
Manual Clear Input
14
Call Light
12
Summing Input
10
Summing Input
8
Manual Off-Hook
6
4W RCV, Line
4
4W RCV, Line
2
COMPONENT SIDE
OF PC BOARD
55
4W XMT, Drop or 2W R
53
4W XMT, Drop or 2W T
51
49
4W XMT, Line R
47
45
43
4W XMT, Line T
41
Power-Up Clear
39
Speaker Monitor Out
37
-Battery
35
Forced Disconnect
33
Ring Generator Input (use with -10 only)
31
Buzzer Output
29
Monitor Control (Mute)
27
Talk Battery (-)
25
Ring Generator Input (Ground)
23
M Lead
21
External Busy Light
19
Ground
17
15
4W RCV, Drop
13
Summing Input
11
Summing Input
9
4W RCV, Drop
7
5
Reset Out
3
E Lead
1
CIRCUIT SIDE
OF PC BOARD
44022-00-0898 <90-00023>
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