Bell System Practices 2682 Service Manual page 18

sEcTfoN
502-612-425
TABIE
D
PICKUP.SIGNAT KEY
CONVERSION
3RD (2682-TYPE) OR
sTH (2583-TypE)
MODUTE
Notes:
1.
When
using
converted
6th pickup button as
common
signaling key, remove, insulate
and store
(Y-O)
mounting cord lead
from terminal
39.
2. If
more
than six signal keys are required,
replace 635G5C
key with a
658A
key. If
more than
five
signal keys are required
for private or
intercom lines, convert keys in
2nd
(2682-type)
or 4th
(2683-type)
module
in
same
order.
Connect
plug
leads
to
terminal
39
to utilize
common
signal
key.
If
additional terminals
are required, use any
spare
terminal
and
strap to
39.
NO.
OF
SIGNAT
KEYS
NO.
OF
PVT
OR
INTER.
coM
uNEs
(coi
.
slc,)
NOTE
I
KEY PIUG
LEADS
AND
TERAAINATS
o-w
s-w
G.R
BLBK
BR.-BK
o-Y
Y-O
I
25
25
25 30
30
18
39
2
qE
25 25 30
18 18 39
3
25 25 25 18 18 18 39
4 25
25
18
18 18 18 39
D
25 18 18 18 18 18
89
o 18 18
18
18
18 18 39
2
25 25 25
39
39 30 39
a
25 25 39 39 39
30
39
A 25 39 39 39
39 30 39
a)
39 39
39
39
39 30 39
Poge
18