5
WIRING INSTRUCTIONS:
Place a check by each step as it is completed.
1.
Connections for Zone 1:
__
(a) Connect Tip of the PABX station number for
zone one to pin 16 of the STPA being used for
zone one.
__
(b) Connect Ring of the station number to pin
17.
__ 2.
Connect one side of the Tel Line input on the
mixer-amplifier to STPA pin 8.
__ 3.
Connect the other side of the Tel Line input to
pin 9.
Remember each zone will require it's own station number
and STPA.
__ 4.
All Call Connections:
__ (a)
Connect Tip of the All Call station number to
pin 16 of the STPA.
__ (b)
Connect Ring of the station number to pin 17.
__ (c)
Strap from pin 8 of the All Call STPA to pin 25
of each of the STPA's being used for individual
zones.
__ (d)
Strap from pin 9 of the all call STPA to pin 26
of each of the STPA's being used for individual
zones.
__ (e)
Strap from pin 13 of the all call STPA to pin 28
of each of the STPA's being used for individual
zones.
FIGURE 6
15 14 13 12 11 10
9
8
7
6
5
4
3
2
1
30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
Zone 1 Station
Number
Ring
Tip
Clarity
Mixer/
Amplifier
POWER SUPPLY
STPA (Zone 1)
15 14 13 12 11 10
9
8
7
6
5
4
3
2
1
30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
STPA (Zone 3)
Ring
Tip
Clarity
Mixer/
Amplifier
15 14 13 12 11 10
9
8
7
6
5
4
3
2
1
30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
STPA (All Call)
Zone 2 Station
Number
POWER SUPPLY
All Call Station
Number
T
R
-
+
24 vdc
Power Supply
T
R
T
R
