SECTION 502-610-406
key position of an 18-button set or fifth key position
of a 30-button set .when internal speakerphone
feature is required
.•
2.06
•To retain the maximum number of keys in
these CALL DIRECTOR telephone sets and
still have speakerphone feature, a 666A(MD) or
666B transmitter and 760A loudspeaker may be
installed as adjuncts to the telephone set. Spare
leads from the first module are used to supply
the external speakerphone function (Table D).
Refer to Sections 512-620-440 (630-type MD) and
512-620-441 (631-type MD) for complete connections
to 3-type speakerphone.
At
Kt
40 I
DB
NET\IORK
A
Ll
L2
(BK)
I
5-BK)
H
1�
F
.I
2.07
Replace the 8R dial with an 8C dial when a
telephone set is modified for use with 3-type
speakerphone system.
2.08
Maintenance of handset, dials, ringers, and
modular keys is outlined in sections covering
these components located in Division 501.
2.09
Refer to Section 5 02-600-100 for common
installation and maintenance information for
these CALL DIRECTOR telephone sets
.•
(5-Y)
R OR R
I
NIA
RINGER
(Y-5)
B
OR Bl
*
*
(R)
LS
ON
RCVR
TO FIG.
3
OR 4
Fig. 1 --630- and 631 -Type Telephone Set, Connections (Current Production)
Page 2
BSP 502-610-406-i02_1972..01-02.jpg Scanned by Frank Harrell, (Cowboy Frank) Castle Rock, Colorado Feb 04, 2012 12:25:54
