Bell System Practices 4A SPEAKERPHONE, Identification, Installation, Operation And Maintenance

Page: 15 / 15

8581
POWER
UNIT
M2FG
CORD
(BK)
u
<C
G'
(SEE
I
"'
NOTE)-
10
u
<C
� 3
I I
-
016H-50
CORD TO
H
<C
I
0.:
C) en
�
3
I
I I
C)
"'
m 3
(PLUG-ENDED)
TELEPHONE SET
u
m u m
...
"' "'
"' "'
"'
I I I I
H
0.: iii iii
I I
...
I I
-'
I I
"'
m m m
<C
3 3
�
3
m I I I m m
I I I
-' "'
I I
::s en m m
"'
3
::s
24
tOEAD DRESSED
47
�STRAP BETWEEN TERMINALS 6
22
AND 12 ARE ON 10BAA
LOUDSPEAKER ONLY.
23
21
NOTE:
(R) AND (G) CONDUCTORS ARE
NOT TERMIINATED IN PLUG OF
M2FG CORD. ONLY (BK) AND
(Y) ARE USED
D8S
45
680-TYPE MTG
TRMTR
3
LK
5
VOL
8
-6,2
7
+6.2
+V
6
TVL
4
GRO
2
ON
CORD
(0-W)
(W-BR)
(BL-W)
(W-BL)
(BR-W)
(G-W)
(W-G)
(W-0)
18
3 17
4 16
26 44
27 43
28 42
29 41
ISS 5, SECTION 512-700-100
020N
MTG
CORD
(R-G)
(G-R)
(W-BR)
(W-0)
(R-BL)
(W-S)
(BR-W)
(BL-R)
(S-W)
(W-BL)
(G-W)
(W-G)
(BL-W)
(O-W)
(BR-R)
(R-BR)
(R-0)
(R-S)
(S-R)
(O-R)
108-TYPE
LOUDSPEAKER
SET
AC
27
AC
A1
13
AG
B-B1-K5B
18
B-81-K5C
BL-K5M
R-R1-K4C
14
T1
15
P4-IR
P3-IT
10
a
R1
11
H
�
6
12
VOL
-6.2
+6.2
+V
TVL
GRO
ON
21
K4M
Fig. 12-4A Speakerphone System Connections Using 223C Adopter
BSP S12-700-100-i05_1979-04+1S.jpg Scanned by Frank Harrell, (Cowboy Frank) Castle Rock, Colorado Feb 16, 2012 23:01:21
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