.
'-
••
BIU
SYSTEM
l'tACTICES
AT
&
TCo
Standard
SICTION 463-22 1-100
tu~
I
,
Jonuory
1910
LOUDSPEAKER
SET-
1 07 TYPE
IDENTIFICATION,
INSTALLATION,
CONNECTION,
OPERATION,
AND MAINTENANCE
"
SPOKESMAN"'"
LOUDSPEAKER
1.
GfNERA1
1.01
This section provides
information
on the
SPOKESMAN
loudspeaker,
107A
(MD)
and
1078
loudspeaker
sets (Fig.
I,
2, and 3).
1.02
This
section
is reis:s:ued to:
•
Add
information
on
the 02N-50 cord
•
Expand information on wiring to
sinah~·line
telephone sets
•
Identify typical
grandfathertd
and registered
wiring
arrangement$.
2.
IDENTiftCA TtON
2.01
Purpose:
2 .02
•
To amplify the incoming
side
of a telephone
com•er53tion using
the
107A
(MD)
or 1078
loudspeaker set.
•
To provide voice signaling
on
manual intercom
lines using the
una
loudspeaker
set
(see
S.e1ion 518-010-109).
Applicatio~~:
•
For use with
station
sets on CO. PBX, or
Centrex
lines
•
Special
applications.
aueh as private service
systems
•
107B
loudspeaker
set may
be
u~
as a
SPOKESMAN
loudspeaker
or Cor voice
signaling
on manual
intercom,
but
the same
107B
cannot
be
used
Cor
both
applications
at
the same 'ime. See
Section
518-010-109
Cor installation, connection,
and operation
oC 1078 loudspuker
se-t
installed
for
voice
signaling on
manual intercom.
2.03
Ordering
Guide:
•
Set, Loudspeaker, 107J3.•.
•
Cord,
Mounting,
D4BT-87
(available
in
1·
or
14-foot lengths)-for use with 107A (MD)
loudspeaker set
•
Cord,
Mounting,
06AF·8'7
(available
in
7-,
14·, or 25-foot
lengths)-Cor
u.
s e with 1078
loudspeaker &el
•
Housing,
S.1,
Loudspeaker
(see
Table
A).
(b)
A1sociated A,pparatut
(ord•r
separa,ely
if
r
equired)
•
CapaciTor, 542C (0.25 "
F)
-
see
paragyaph
3.11
Cor
use
NOna
Not for
liM or
dbdoturt outticM the
0.11 S)'tttm
uttpt undtr
wrht.ton
&gl'ftmttlt
Print~
in U.s.A.
. .
..
1
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