Figure 2: Sspb Blockd - Advantech SSPB-3000C Installation And Operation Manual

RV_PWR
FW_PWR
MUTE_PA
ALM_PA
RS-485_PA
+12 V
- 9 V
GND
+12 V
+12 V
-9 V
GND
RS-485_UC
ALARM_UC
GND
Figure 2: SSPB Block Diagram
RS-485_PM
+12 V
ALARM_UC
RS-485_UC
+12 V
GND
TH
SSBP-3000C
+5V
GND
UP
DOWN
LEFT
RIGHT
ENTER
CLEAR
+12 V
+12 V
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