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SECTION 503-702-110
842533440
RELAY ASSEI'IBLY
0.
086-32 X
5/16-
IN.
FH TAPPING SCREW (2)
~
"''"''''' ,,_,,,,,,,
4-
40 X 5/16 IN
.
BHM SCREW
Fig
. 5-
.Mounting Location for 4-Wire Relay Assembly.
line on
Station
Y and go off-hook. While ho lding
that line button depressed bridge onto the line
that was busied out by Station X.
Station Y
should be locked out of both lines.
3.07
When
install
ing facep late, insure that the
collar is in place on the key. Place the tabs
into slots
in
front of the faceplate
openi
ng in the
housing and
lower
slowly over the
di
al and key
collar un
ti
l
almost in place.
Use a KS-21107L1
releaser
or
equivalent to release t he faceplate
catch
and seat the faceplate.
3.08
The 647K5
and
647P5C keys use designation
tabs,
form
s
E-5837
and E-6672 (new preprinted
Page 8
designation tabs for feature designations).
The
forms are shipped with the telephone sets.
To
install, squeeze sides of the cap
and
remove. Insert
designation tabs and rep lace cap with locking tabs
along the horizonta
l
axis of the key.
3.09
For telephone set number designation, use
form E-10360, E-10364-§,
or
E-10368-§ for
rotary dial sets
and
form E-10361, E-10365-§, or
E-10369-§ for TOUCH-TONE
dial
sets.
3 .10
Refer to
Fig.
6 through 13 for telephone set
schematics.
§ Requires that area code be added.
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