
4
ZPM3
24V POWER
SUPPLY
PBX
+
C.O. LINE
(INCOMING)
GROUND
START
TRUNK
NIGHT RING
CONTACT
PBX ANALOG
NIGHT LINE
T
R
SEE
NOTE 1
PBX
GND
ZPM3
24V POWER
SUPPLY
+
PAGING PORT
PAGE
AUDIO
T
R
CONTACT
CLOSURE
1
2
(N.O.)
ZPM3
24V POWER
SUPPLY
+
TAMB2
STATION TRUNK
T
R
PT
PR
PAGE OUT
CONTACT CLOSURE
NO
COM
24V DC/150mA
+
TO ANALOG
STATION LINE
PRS2403
+
NOTES:
1. EITHER USE NIGHT RING CONTACT FROM PBX OR ACTUAL NIGHT LINE
RING SIGNAL TO ACTIVATE ZPM3 NIGHT RING FUNCTION. USING BOTH IS
NOT RECOMMENDED.
NOTE:
1. T & R ARE A DRY AUDIO PAIR (NO DC VOLTAGE) CAPABLE
OF PRODUCING DTMF TONES.
Figure 3 –
Wiring Diagram, ZPM3 to Ground Start Trunk
Figure 5 –
Wiring Diagram, ZPM3 to Analog Station Line
Figure 4 –
Wiring Diagram, ZPM3 to Paging Port