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TELEPHONE SET
CONTROL MODULE
,
NE·D16QD
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1
CORD
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LK1
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HANDSFREE
CIRCUITRY
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MUTE
ON
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L2
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TIP
RING
NOTES:
1.
C1, C2, ETC., ARE
DESIGNATIONS
FOR
SPARE
TERMINALS
OR
CONNECTIONS.
2.
THES-GLEADFROMTHELINESWITCH
LS
IS
CONNECTED TO THE LK1 LEAD
FOR THE DUAL PURPOSE OF AUTO-
MATICALL Y CUTTING OFF THE UNIT
WHEN TRANSFERRING TO THE
HAND-
SET AND OF PROVIDING THE
"A"
LEAD
CONTROL.
3. WHEN"A"
LEADCONTROLIS REQUIRED
CONNECT THE A AND A1 LEADS OF
THE SYSTEM TO THE A AND Al LEADS
OFTHECONTROLMODULEBYMEANS
OF ASPARETERMINALORCONNECTOR
ENSURE THAT <h RELEASES LATER
THAN b-c IN THE LINE
SWITCH.
4 RINGER
CONNECTIONS
ARE
NOT
SHOWN.
5.
REFER
TO
THE APPROPRIATE TELE·
PHONE DIAGRAM WHEN REWIRING IS
REQUIRED
IN
INSTALLATION OR
RE·
MOVAL OF THE CONFERENCE
2000.
6.
IF
A
BUSY LAMP (INDICATING USE OF
CONFERENCE 2000) IS
REQUIRED,
REFER
TO
FIG.
17.
*
INSULATE AND
STORE.
Fig. 11 - Connections for sinale-lille telephone set Phase II DIGIPULSE dial, less polarity pard
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)
)
)
"'Cl
~ n
~
-
n
rn
CA
-
N
~
-
N
g
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