SECTION 502-500-120
Fig. 7-P-25E118 Exclusion Switch
Fig. 8-Location of KS-8109 Buuer
Page 6
to overcome the detent action to reach the off
position.
Volume control/ever detent action of
c urrent N-type ringers bas been
improved by making it more difficult
to inadvertently operate the control
lever to the off position.
Terminal Strips
2.25
The 5 89Y and 636A use the P-43A983
terminal strip (Fig. 2). The 636B uses the
P-44E400 terminal strip (Fig. 3).
2.26
Additional terminal for connecting auxiliary
equipment in 6-button sets must be ordered
separately as follows:
•
589-type keys require a P-13E313 terminal
strip.
•
636-type keys require a P-25E962 terminal
strip.
2.27
These auxiliary terminal strips are attached
to the line switch bracket as shown in Fig. 6.
TOUCH-TONE® Dial
2.28
The 1560 and 2560 series telephone sets
have 25-type 10-button and 35-type 12-button
TOUCH-TONE dials, respectively.
2.29
These dials must be connected so the green
dial lead is positive (
+)
and the orange-black
lead is negative (- ).
2.30
After completing installation, check the dial
operation on each line using the central
offices dial test circuits. Refer to the appropriate
dial section in Division 501.
Handsets
2.31
When special conditions exist the G1AR,
G3AR, or G3A4 may be replaced by the
following:
•
G6AR (MD) or G6B handset for impaired
hearing
•
G7 AR handset for weak speech
BSP
S02-S00·120·!03_1974-11-06.jpg Scanned by Frank Harrell, {Cowboy Frank) Castle Rock, Colorado Feb 02,2012 18:59:10
