Bell System Practices 2682 Service Manual page 12

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502-612-425
I'IOTES FOR
FIG.
4
1.THE
6'5AO'C KEY
IS
SUPPLIEO
I.IITH AN AOAPTER
II,I THE
CUTOFF
KEY POSITIOT{.
STATE
MOI''ITING 0ORD
PLUG
IN (BL)
BINDER CONI€CTS
TO
lHE
ADAFTER.
AALAI'ICE
OF
PLIJGS CO}I{ECT
DIRECTLY TO
KEY.
CONI€CT
(BL-Y)
AND
(Y-BL)
AOAPTER LEADS
TO TEil'IIIiIAL
1 AIO 2,
RESPECTIVELY.ON
S
COOED
TELEPHONES
TERMINAL
{
IS
I,ISED FOR THE NEI.I
LIfIS
SI.IITCH.
CONNECT
THE
(BL-Y)
ADAPTER LEAO
TO
THE
(BL.Y)
MOUNTIIC
CORD LEAO
IJSIIS A
SPARE
TERt"ilML 0R
A
0161488
CoNIECT0R.
2.
IN
SETS EQUIPPEO
IIITH
A
5'8A
KEY, THE
(C)
COIfiACT
STRIP LEAD
IS
TER',IIMTEO
OT'I
17
ANo
(R)
oN
18.
lF A
558A KEY
ls
ADDED
lN
THE
FIELD,
LEAoS l"lUST
BE
IOVED
FRoltl
PRECEDIIIG
M@ULE
CHAINItS
CIRCUIT
T0'TERl,tlMtS 17 AtO
18.
,.
PROVISIONS ARE MADE FOR I.IECHANICALLY STORING
IHE LIGHT BEIGE
PLUG ON
THE
6'8A
KEY'
NO
ETECTRICAL CONNECTION
IS
I'{ADE.
4.
I.]HEN
THE
6'8A
KEY
IS
REQUIRED
AS
A
DUAL PURPOSE
KEY,
REI,IOVE
STRAP BETI,IEEN
TERMIMLS
17
ANO
18.
USE
II1I.I
CORO
OR EQUIVALENT TO
CONNECT
TERI'IINAL
17
TO A
GROUND OTHER THAN
SIGML
GROUID.
',
I,4ODULE
MY
ALSO
BE
EQUIPPED
HIfi
A
5?9A
(iD)
TRANSMITTER
FOR
INIERML
SPEAKERPHONE.
SEE
FIG.5
AND
TABLE B.
6.
TO
SUPPTY
''I''
HOLO
FEATURE,
TERI',IINATE
(G-R)
MOUNIING CORO
LEAD FROI4 FIRST
I4ODULE
ON
TERMINAL
24.
IEAO
BECOMES
SP
LEAD
AT
EQUIPTIENT.
?.
REFER
TO FIG.
'
FOR CONNECTIONS I^IHEN ASSOC
IA]EO I^IITH
6?9A
(IO)
TRANSI'IITTER.
8.
IF
HOLD KEY
IAMP
IS
REQUIRED,
CONNECT
(G-Y)
LAI4P
LEAD AND
(Y-C)
LAMP
GROUNO
IEAO TO
(G-Y)
AND
(Y-G)
MOUNTING CORD
(Bt
EINDER) LEAOS RESPECTIVELY, USING
SPARE
TERMINAL OR
D-161488
CONNECTOR. LAMP MUST
BE
SEPARATELY
ORDERED AND
I
NSTALLED.
9.
EXTERNAL
SPEAKERPHONE
LEAOS.
CONNECT SPEAKERPHONE
TEADS PER TABLE C.
WHEN THESE TEADS
ARE USED FOR
EXTERML
SPEAKERPHONE
THE HOID KEY LAMP
OR
PUSH-TO-TALK
HANDSET CANNOT
BE
PROVIDED.
10.
PUSH-TO-TALK HANOSET
CIRCUIT
LEADS. |^]HEN
THESE
LEADS
ARE USED
FOR
PUSH-TO-TALK
HANDSET EXTERNAL
SPEAKERPT{ONE
CANNOT
BE
PROVIDED.
11-
THESE CONTACT
STRIPS ARE
REQUIRED
I+IEN
TELEPTONE
SET
IS
EQUIPPED I^JITH THE
D12OK
(I4D)
OR D2OOS(I,40) MOUNTING CORD. THESE CONTACT
STRIPS SHOULD NOT
BE
USEO
!^|HEN
TELEPHONE
SET
IS
EQUIPPED
I,IITH THE D12OM
OR
DzOOAA
MOUNTIM CORD OR
I,,IHEN
TELEPHONE
SET
IS
EQUIPPED
I,lITH
A
MODIFIED D12OK OR DZOOS MOUNTING CORD.
12.
SCREI^]
TERt'lINALS ARE LOCATED ON
TERMINAL BOARD
1.
1'.
THE
(Bt-Y)
LEAD
ON
TERI4IML .I
IS
INSUTATED
AND STOREO
ON 2682AAMS1
ANO
268'AAMS1
TELEPHONE SETS.
*
INSULATEO ANO
STORED
Poge
12