3
FIGURE 4 - DIP SWITCH SETTINGS
SW
OFF
ON
1
Audio Sense
Time Out Enable
Enable
2
Not 1 Sec.
1 Second
3
Not 64 Sec.
64 Seconds
4
Not 32 Sec.
32 Seconds
5
Not 16 Sec.
16 Seconds
6
Not 8 Sec.
8 Seconds
7
Not 4 Sec.
4 Seconds
8
Loop Detect
Disable
Loop Detect
Enable
POWER CONNECTIONS
NOTE: Power is required for each STPA being used. If
multiple units are being installed, power for additional
units may be multipled from pins 14 and 15 of a
preceding unit (pin 14 is "+" and pin 15 is "-").
__ 1.
Connect -24VDC from power supply to pin 30
on STPA.
__ 2.
Connect 24VDC Ground "+" from power supply
to pin 29.
__ 3.
Connect 24VDC Ground "+" from power supply
to telephone system GROUND.
4.
Power test:
__
(a) Plug in power supply
__
(b) If power reversal LED is lit:
__
(1) Unplug power supply
__
(2) Reverse connections on pins 29 and 30
__
(3) Repeat step 4.
__ 5.
Unplug power supply
Centrex, C. O. and PABX Connecting
Arrangements
NOTE: Place a check by the arrangement being used and
proceed to the Figure indicated for step-by-step
instructions.
__ 1.
One Zone of One-Way Paging: Proceed to
Figure 5.
__ 2.
Multi-Zone One-Way Paging with All Call:
Proceed to Figure 6.
WIRING INSTRUCTIONS
Place a check by each step as it is completed.
16
30
1
15
Power
Reversal
Indicator
1
8
ON
OFF
Dip
Switches
FIGURE 2
LOCATION AND NUMBERING OF
PUNCHDOWN BLOCK AND DIP SWITCHES
Punchdown
Block
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
30 29
2423 22
28 27 26 25
21 20 19 18 17 16
FIGURE 3 - PUNCHDOWN BLOCK PINOUTS
AUX GND TERM.
AUX -24VDC OUT TERM
ALL CALL OUT
MANUAL RESET
8 OHM PAGE OUT
600 OHM PAGE OUT
BREAK
STATIONARY
MAKE
-24VDC IN
GROUND (+) IN
ALL CALL IN
ALL CALL
AUDIO IN
MUSIC INPUT
RING IN
TIP IN
1
2
3
4
5
6
7
8
ON
OFF
