Bell System Practices 853AM Identification, Installation, Connections, And Maintenance page 7

ISS 1, SECTION 503-603-130
422BAC NE K
BRA DIAL
F
(BL )
(B L-V)
"
(BL )
+ DI AL
PU LSE
V-BL
(V - 0)
G N
(W)
nu
r\
B
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(BL)
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A
B
NORM AL
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(R)
m
(BK)
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(W)
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(BK)
(R)
f-------7
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f-------7
(BK)
~
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f-------7
(G)
H4DU - 50
G15A-50 HANDSET
CORD
616T JACK
(Y)
GRD
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(G)
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I
POT
ASSEMBLY
AMP
r
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~
4
INPUT I /
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f
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40'
1
BARE
SPEAKER
S'RAP
r:
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(BK)
(BL)
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(0)
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AMPLIFIER PWB ASSY.
Fig . 6-853AM Telephone Set, Connections (Sheet 2 of 2)
Page 7