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TELEPHONE SET
CONTROL MODULE
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NE·D1600
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71
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(W·BL)
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Fig. 7 - Connection for single-line telephone set rotary dial
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NOTES·
1
~~~~s-cG6~~fc~~i'1~tMJNLEK
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FOR
THE DUAL PURPOSE OF AUTO-
MATICALL Y CUTTING OFF
THE
CON·
FERENCE 2000 UNIT WHEN
TRANSFER·
RING TO THE HANDSET ANO
OF
PRO-
VIDING THE
..
A,.
LEAD CONTROL
2
WHEN·
A"
LEAD
CONTROL
IS REQUIRED
CONNECT
LEADS
OF
THE
SYSTEM
TO
THEAANDAl LEADS OF
THE CONTROL
MODULE BY MEANS
OF A SPARE
TERMINAL OR CONNECTOR
ENSURE
THAT
d-e RELEASES
LATER
THAN
b-
c
IN THE
LINE SWITCH
3
THE OFF-NORMAL
(W)
LEADS OF
THE
DIAL
ARE REWIRED TO
SERVE
BOTH
OFF-HOOK AND ON-HOOK DIALING
4 Cl C2
,
ETC
,
ARE DESIGNATIONS FOR
SPARE TERMINALS OR
CONNECTORS
5
RINGER
CONNECTIONS
ARE NOT
SHOWN.
6
REFER TO
THE APPROPRIATE
TELE·
PHONE
DIAGRAM WHEN REWIRING
15
REQUIRED
IN
INSTALLATION OR
RE·
MOVAL OF
THE CONFERENCE 2000
7 IF A
BUSY LAMP
!INDICATING USE OF
CONFERENCE 20001 IS
REQUIRED
REFER
TO
FIG
1
7
*
INSULATE AND
STORE
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