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Bell System Practices 636A Manual page 14

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SECTION 502-610-410
CONVERSION OPTIONS
pppppp
PPPPPS
PPPPSS
PPPSSS
PPSSSS
PSSSSS
ssssss
PPPP* P * S
PPP*P '' P * S
P P * P * P * P * S
P * P * P * P * P * S
Notes:
1.
2. All key positions are arranged in the shop as pickup positions. To
*
These arrangements use line switch controlled ground for common
signal key used with private or intercommunicating lines.
signal should be used to operate a signal relay. Do no wire directly to a
buzzer.
t
Terminal
( ) C urrent color code.
[ ] MD color code.
1 4
Page
Scanned by Frank Harrell, (Cowboy Frank) Castle Rock, Colorado F e b 0 4 , 2
B S P S02-610-4 10-i02_19 72-04-14.j pg
PICKUP-SIGNAL KEY CONVERSION (3RD OR 5TH MODULE)
(NOTES)
( O·W)
[BK)
A-H
A-H
A-H
A-H
A-H
A-H
SG
A-H
A-H
A-H
c
Convert buttons on right hand key module first.
(five with common signaling) are required use module
right hand position, repeat connection modifications as shown in
table.
convert to signaling (non locking) , remove the screw detail
from the p lunger at the key position to be converted.
necessary connection changes as shown in Table
G
in early sets.
HABLE B .
598A
656A
OR
KEY
(BL·BK)
( BR·BK)
(5-W)
(G·R)
[BR·G)
[BR·W)
[R·BL)
[G·BL )
A-H
A-H
A-H
A-H
A-H
A-H
A-H
A-H
A-H
A-H
A-H
A-H
A-H
SG
A-H
SG
SG
SG
SG
SG
SG
SG
SG
A-H
A-H
c
A-H
c
c
c
c
c
c
c
c
0 1 2 14:18:02
(Y-0)
(O·Y)
( 0-BK)
[5-BR)
A-H
G
SG
G
SG
SG
G
SG
SG
G
SG
SG
G
SG
SG
G
SG
SG
G
5t
c
c
5t
c
c
5t
c
c
5t
c
c
If more than six
preceding
P-10E837
Make the
B .
Common

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