Specifications

15
2.5.3 Connecting the AUDIO OUT Output
Connect the AUDIO OUT on the SP4-TZC to the BGM terminals on the SP40/2. See Figure 9.
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
SPLITTER MI SMATCH
D28
RS485 COMM LOSS
D26
USB
SP4-TZC
SP40/2
SP4-APS
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
AUDIO OUT
TO SP40/2 BGM
RS485 COM1 TO
SP4-APS RS485 IN
BGM
NOTE:
OBSERVE CORRECT
POLARITY
Figure 9
Audio Out and RS485 Wiring Connections
2.5.4 RS485 Digital Control Port Connection
Connect the RS485 Digital Control Port terminals on the SP4-TZC to the RS485 IN terminals
on the SP40/2 SP4-APS splitter. See Figure 9. Observe correct polarity.
STEP 8
STEP 9