ACS Compact flash - Connections; Contact Input Connector Pinout; DB-9 Serial Connector Pinout; Power & Speaker Connectors

Compact FLASH Digital Audio System
4
Connections
Contact Inputs
Operation & Card Indicators
Compact FLASH Card Slot
Front View
Rear View
RS-232 Command Port
Volume ControlLine Level Out Speaker OutAC/DC Power InAC/DC Wall Transformer In
+
-
Contact Input Connector Pinout
DB-9 Serial Connector Pinout
Power & Speaker Connectors
Pin # Signal Name
1 Ground(GND) Left most pin
2 Ground(GND)
3 Input #8
4 Input #7
5 Input #6
6 Input #5
7 Input #4
8 Input #3
9 Input #2
10 Input #1
11 Ground(GND)
12 Ground(GND) Right most pin
Pin # Signal Name
5 Ground(GND)
2 TX (from unit)
3 RX (to unit)
Baud Rate 2400 N, 8, 1
Pin # Signal Name
1(Left) Power In 12V – 24V AC or +-DC
2(Right) Power In 12V – 24V AC or +-DC
1(Left) Speaker Out + 4 – 16 ohm
2(Right) Speaker Out - 4 – 16 ohm