BEU SYSTEM PRACTICES
&
AT
TCo Standard
630-, 631-, 1630-, 1631-, 2630-, AND 2631-TYPE TELEPHONE SETS
1.
GENERAL
1.01
This section covers information for the 630-,
631-, 1630-, 1631-, 2630-, and 2631-type 18-
or 30-button, rotary or TOUCH-TONE3 dial telephone
set when used with the •3-type (MD)• speakerphone
system.
1.02
This section is reissued to:
•
Show 3-type speakerphone system MD
•
Show 2021B transformer MD
•
Add 2012D transformer
•
Add modular telephone sets.
1.03
All single and double letter coded telephone
sets are rated Manufactured Discontinued
(MD). All modular telephone sets except 630DAM1,
631DAM1, 2630DAM1, and 2631DAM1 are also MD.
2.
MODI FICA liON
2.01
Codes -11, -12, and -13 of the 630-, 1630-,
and 2630-type telephone sets and codes -16,
-17, and -18 of the 631-, 1631-, and 2631-type
telephone sets are factory-wired for speakerphone.
Other codes can be modified by installing a transmitter
in the third or fifth module and making the necessary
wiring changes.
8RA dial with an 8CA dial, where required.
A.
630A(MD),
631A(MD),
1630D(MD),
2631D(MD) Telephone Sets
2.02
Convert as follows.
BSP S12·620·440-105_1979-Q7-0l.jpg
Scanned by Frank Harrell, {Cowboy Frank) Castle Rock, Colorado
SPEAKERPHONE SYSTEM-3-TYPE
In rotary sets replace the 8R or
630B(MD),
630C(MD),
631B(MD),
631C(MD),
1631D(MD),
2630D(MD),
Not for use or disclosure outside the
Bell System except under written agreement
CONNECTIONS
(a) Remove telephone set faceplate and housing.
(See Section 502-600-100 for procedures.)
(b) Remove key unit or apparatus blank in
right-hand module position (third or fifth
module) and plug in a 667B (MD) transmitter
(ordered separately).
(c) Connect spade-tipped leads of transmitter
as shown in Fig. 1, 2, 3, 5 and Table A.
(d) Install housing.
for procedures).
(e) Install new faceplate and mat (ordered
separately) in which cutouts for the transmitter
are provided. Refer to the appropriate Reference
section in Division 502 for ordering information.
B.
630DA(MD),
2630DA(MD),
2631DAM Telephone Sets
2.03
Convert as follows.
(a) Remove faceplate and housing. (See Section
502-600-100 for procedures).
(b) Disconnect line plugs from key unit or
apparatus blank in third module and remove
key.
(c) Install 679A (MD) transmitter in third or
fifth module and connect slate plug to
receptacle on rear of transmitter. Insulate and
630D(MD),
store balance of plugs.
631D(MD),
(d) Modify set per Fig. 4, 6 and Table D, F.
and
(e) Replace housing.
for procedures).
NOTICE
Printed in U.S.A.
Feb 16, 2012 23:00:26
S
SECTION
12-620-440
Issue 5,
(See Section 502-600-100
630DAM,
631DA(MD),
2630DAM,
2631DA(MD),
(See Section 502-600-100
1979
July
631DAM,
and
Page 1
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