SECTION 503-701-101
Fig. 4-819041708 (P-900 170) Polarity Guard,
Installed
is required for each line which is conferenceable
by multibutton depression. The polarity guard is
located between the station side of the line circuit
and the station cut-down field.
3.07
Where conditions warrent, G3A6, G12A, or
G15A handset can be replaced with other
types as follows:
•
For impaired hearing - G6-type
•
For weak speech - G7-type
•
For noisy location - G8-type or D-180413
Refer to Division 501 for connections of these
handsets. When either of these handsets are used,
an H4DU, an H4CJ, or equivalent handset cord
must be used (see 3.08).
3.08
Installing Spade-Tipped Handset Cords
in Early Production Sets Equipped
with G12A Handset:
To install spade-tipped
handset cord (H4CJ or equivalent) remove J Hook
Page 4
Stayband from the cord.
Cut back and remove
cord sheath to stayband marks. Thread spade-tipped
conductors through plug (Fig. 5) (spade tips must
be bent to clear cord entrance). Pull cord until
about 1/4-inch of cord sheath is in the central
cavity of the plug. Separate the conductors into
two groups and tie an overhand knot, pulling the
knot to the cord sheath. Pull the cord from plug
until strain relief position is attained by knot
entering sheath and resting against plug.
Feed
spade-tipped conductor straight through jack 812266203
(P-22F620) and connect to proper terminals. Insert
plug in jack.
Fig. 5-lnstallation of Spade-Tipped Handset Cords
Note:
On later version of the telephone set
base, a plug (Fig. 5) is not required and a
notch is provided on front lip of base pan
for J Hook Stayband of nonmodular type
cords.
3.09
When adding speakerphone to 830-type
telephone sets; the 8RA dial must be replaced
by an 8CA dial (order separately) to provide the
addi tiona! off-normal contacts required for speakerphone
connections.
BSP
503-701·10l·i08_1977-08-04.jpg
Scanned by Fi'a?ik Harrell, (Cowboy Frank) Castle Rock, Coloraao Oct OS,
2012 16:58:38
