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Bell System Practices Plant Series Reference page 8

Telephone sets

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.. ..
D
"'G
D e
G
: ..
WIRE OR LEAD
Incoming Line at
71B Conn
Block
Ringer Leads
(Note 2)
Line Switch
Strap Connections
Notes:
1.
Use normal connections for tip party identification. If bell taps on station connected to long line equipment. reverse ringer leads as shown in this column
to retain tip party identification.
2.
To silence ringer permanently when connected for:
Individual, ring party, and tip party without identifying ground- remove (S-R) strap from A of network and connect to 2 of TBl.
or
1000!1
2650!1
( ) Current color code.
[ ] MD color code.
Scanned by Frank Harrell, (Cowboy Frank) Castle Rock, Colorado Jan 31, 2012 22:27:29
BSP S02-706-100-i01_1970-03 -08.jpg
LIN!: A N D RINGER CONNECTIONS
COLOR
Tip
(G)
Ring
(R)
GRD
(Y)
(R)
(BK)
(S)
(S-R)
(S J
(W)[S -S]
(BR)[S-BR]
(BK)
(S-R)
(W)
GRD- remove (S) line switch lead from A of network and insulate and store.
TABLE D
$'!DIY I DUAL
RING
TIP
OR
PARTY
PARTY
BRIDGED
1
1
1
2
2
2
3
3
3
R
R
GN
1
1
1
K
K
K
2
2
2
R
R
R
F
F
F
c
c
c
GN to 1
1 to y
1 to Y
A to 2
A to 2
A to 2
TIP PARTY WITH IDENT GRD
NORMAL
RINGER REVERSAL
CONNECTIONS
(NOTE I)
1000
2650
1000
OHMS
OHMS
OHMS
2
2
2
1
1
1
3
3
3
L1
B
2
y
L1
1
B
K
y
2
2
L1
A
A
A
c
c
c
F
F
F
1
to B
B to 2
Y to 2
B to 2
L1 to K
L1 to B
L1 to K
"'
m
n
...
0
z
"'
s
8
2650
OHMS
2
1
3
y
1
L1
2
A
c
F
1 to K
2 to B
L1 to B

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This manual is also suitable for:

1750a-581750b-60