Bell System Practices AT&T 502 Reference page 9

FEATURES
(SIGNALING INCLUDED WITH ALL
FEATURES)
RINGER
IN SET
USED AS
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Scanned by Frank Harrell, (Cowboy Frank) Castle Rock, Colorado Jan 30, 2012 00:04:25
BSP 502·501-102-i02_19 71-07-09.JP8
511
A/8 LINE AND RINGER CONNECTIONS (EXTERNAL CONNECTIONS)
EXCLUSION
TURN KEY
KEY
USED> TO
USED TO
CUT OFF
CUT OFF LINE
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BL-W W-BL
BL-W W-BL
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BL-W W-BL
BL-W W-BL
BL-W
W-BL
BL-W W-BL
6-
TABLE F
EXTERNAL CONNECTIONS FOR MOUNTING CORD
LINE SIGNAL EXCLUSION
2
CIRCUIT
s
RING TIP GRD RING
0-W G-W
W-0
0-W G-W
W-0
W-0 0-W G-W
BR-W W-BR W-0 0-W G-W
BR-W W-BR W-0 0-W G-W
BR-W W-BR W-0 0-W
LINE
OR
CUTOFF
LINE
CIRCUIT CIRCUIT
RINGER
(NOTE)
TIP RING TIP RING
W-G BR-W W-BR
S-W
W-G BR-W W-BR
W-G BR-W W-BR S-W
W-G S-W
W-G
1
2
COM OR
FOR
PVT LINE
RINGER
CIRCUIT
B
TIP R
W-S
W-S
W-S
S-W W-S
S-W
W-S
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