Bell System Practices AT&T 502, Справочник

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SECTION 502-501-102
TABLE K
558AIB LINE AND RINGER CONNECTIONS
FEATURES
CONNECTIONS TO
(SIGNALING INCLUDED WITH All FEATURES)
TERMINALS INSIDE SET
CONNECTIONS FOR INSIDE WIRE IN SET
RINGER
TURN KEY USED TO
IN SET
USED AS
CUT OFF
TURN
C4A
RINGER LEADS
SIGNAL
KEY
LINE 1 LINE 2
LEADS
(NOTES 2, 3, AND
CIRCUIT
... ..
"'
... .. 4, FIG. 13)
o o.
> w > w
ffi�
.. .. o w
.. ..
., ;!;
"'
��
ffi�
<OW
w
0 "' O "'
"' "'
:ow ,. w
�! �
�;£
�� ��
S·R S·G R B K
s
S·R RING TIP RING TIP
s
GRD
w w
1 •
• L2 L1 L2 L1 K A L2 L1 5 6
1 •
• L2 L1 3 4
K A L2 L1
5 6
1 • • • L2 L1 1 2 K A L2 L1 5 6
1 • •
L2 L1 E 1 E 2 A A L2 L1 5 6
1 • •
E1 E2 3 4
A A L2 L1
5 6
1
• • •
E1
E2 1 2 A A L2 L1 5 6
1 •
• GN R L2 L1 K A L2 L1 5 6
2 •
L2 L1
1
2 K
A 1 2
3 4 5 6
2 •
L2 L1 E1 E2 A A 1 2 3 4 5 6
TABLE L
558C/D LINE A N D RINGER CONNECTIONS
(INTERNAL CON NECTIONS)
FEATURES
(SIGNALING INCLUDED WITH All FEATURES)
RINGER
IN SET
�
USED AS
w
z
:::;
�
... ..
.. o o.
o w
ffi�
"'
�:;
<O W
w
o o:
'" "'
w "' :o w
z z
��
��
>< ><
z o.
::;
;: ww
1 • •
1 •
1
.
•
1
.
•
1 •
1 •
1 •
2 •
2 •
2 •
(
) Current color code.
[ ]
MD color code.
Page 20
TURN KEY USED TO
CUT OFF
;i�
Z "'
�5
,. o
�,.
�
��
;:�
•
•
•
• •
•
EXCLUSION
KEY
USED TO
TURN
CUT OFF
KEY
LEADS
"'
0
��
(S·R) (G·8K)
EE
[S·Gl
•
L2
L1
• L2 L1
•
L2 L1
.
L2 L1
•
E1 E2
•
E1
E2
• G R
•
L2
L1
• L2 L1
•
L2 L1
SSP 502-501·102-i02_1971-07-20.jpg Scanned by Frank Harrell, (Cowboy Frank) Castle Rock, Colorado Jan 30, 2012 00:08:47
CONNECTIONS TO TERMINALS
INSIDE SET
EXCLUSION
KEY LEADS
(NOTE
5,
FIG. 14)
(Y)
(BK) (W) (Bl)
(R)
[ft.Y] [G·Yl
L2 L1 5 6 L2
L2 L1 5 6 3
L2 L1 5 6 1
L2 L1 5 6 E1
L2
L1 5 6 3
L2 L1 5 6 1
L2 L1 5
6 L2
1 2 5 6 1
1 2 6 E1
E1 E2 5
6 5
COMMON OR
CUTOFF
PRIVATE LINE
CIRCUIT RINGER
CIRCUIT
RING TIP
O R R OR 8
R 8
3 4
3 4
3 4 E1 E2
E1 E2
3 4 E 1
E 2
3 4
E1 E2
C4A
RINGER LEADS
(NOTES 6,
7,
AND
8,
FIG. 14)
(BK)
(S) (S·R)
L1 K . A
4 K A
2 K A
E2 A A
4 A A
2 A
A
L1 K A
2 K A
E2 A
A
6 A A