Specifications

SETTINGS
SW1(NAC/CC) = CC
OUTPUT AUDIO VOLTAGE
JP1 OPEN = 70Vrms
CLOSED = 25Vrms
CLASS "A" ZONES AND EXPANSION
TERMINALS REQUIRE JUMPER WIRES
ON PAIRS NOT USED. OBSERVE POLARITY
PAIRS ARE: Z1 AND Z2, Z3 AND Z4,
EX1 AND EX2.
EOLRs ARE NOT REQUIRED.
CLASS "B" ZONES AND EXPANSION
TERMINALS REQUIRE UL LISTED 10K OHM
EOLRs AT THE END OF EACH CIRCUIT
WHETHER THE CIRCUIT IS USED OR NOT.
CC
OUT
IN
OUT IN
OUT
IN
24 VDC
AUDIO
RS-485
ALARM
POWER
TROUBLE
Z1
Z2 Z3 Z4 EX1
EX2
IN
CLASS
B
A
NAC
CC
SW1
SW2
PAGE
VOLUME
JP1
STANDBY / RUN
USB
D27
D25
D17
R7
-AUDIO
OUT
+AUDIO
OUT
TB3
RS485
+COM1
RS485
-COM1
TB5
- POWER
+ POWER
TB6
- BGM
INPUT
+ BGM
INPUT
TB2
TIP PHONE
IN
RING
TB1
R17
BGM VOLUME
JP1 SETTINGS
1-2 - ALERT PAGE TONE
2-3 - NO ALERT PAGE TONE
RS485 COM1 ACTIVE
D24
RS485 COM2 ACTIVE
TROUBLE
D29
SPLIT TER MISMATCH
D28
RS485 COM LOSS
D26
USB
SP4-TZC
SP40/2
SP4-APS
24VDC
Power Supply
Background
Music Source
J3
_
_
+
_
+
+
TB6
_
_
+
_
+
+
TB4
TB3
_
_
+
_
+
+
TB2
_
_
+
_
+
+
TB5
STB OUT
RET
STB IN
NO
NC
A
L
M
T
R
B
NO
NC
COM
IN3
IN2
IN1
NR
TEL
BGM
AUDIO OUT
CC/NAC
AUX IN
_
+
24V
NO
COM
COM
POWER
SYSTEM
RESET
JP1
Appendix B
Wiring the SP4-TZC to the SP40/2
with One SP4-APS Splitter Module
This drawing is for illustrative purposes only.
Wire colors are for ease of reading only.