IVote:
Telephone
sets
associated
with
line
concentrator
units
will
have
the
840362909
printed
wiring
board
assembly
mounted
in
the 235- or 236-type
KTL-'s.
!!lr
Lamps used with these sets to indicate
;
station busy lamp feature
should be
of the 51A
type.
2.30
To
provide
station
busy
lamp
feature
with
telephone
sets
equipped
for
both
handset
and headset
operation
and 635-type
keys, a D-180463
Kit
of Parts
consistin~
of an
840362909
Printed
W;iring
Board
Assemb]y
and
840361836
plug
assembly.
ordered
separately,
must
be
installed
(Fig.
19].
2.31
The printed
wiring
board assembly
is provided
with
adhesive
backing
to permit
mounting
on any
clean,
flat
surface.
2.32
The
plug
assembly
is used
to extend
the
A lead through
the chaining
switch
to the
printed
wiring
board.
Note:
If all modules
are not equipped
\vith
keys only
the printed
\viring
board
assembly
is required.
The
plug
assembly
is used
to
provide
the chaining
s~vitch
function
for the
last key if all modules
are equipped
with keys.
2.33
For
additional
information
on station
busy
lamp
feature,
refer
to Section
.502-110-100.
Page
10
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