Page 13
EWCIE Technical Manual
5 Amplifier Board (25W and 50W)
The Amplifier features 4 digital inputs, 3 relay outputs (1A), a strobe output and a 100VAC audio output.
The preprogramed messages and tones are stored on the Amplifier board
Figure 4: Amplifier Board
5.1 Remote Paging Console Terminals
The Remote Paging Console Terminals are as follows:
+ COMMS - RS485 communications to the RPC
0V and 27V +27V and 0V, 100mA power output for RPC
PTT Push to Talk Input. Operates by shorting to 0V
SHD Screen Termination terminal. 0V
RPC + and - External Microphone or Background music input
The 8 Zone Paging console must always be connected to the Amplifier that is set as Communication
Address 0 Emergency Zone 1 (see Section 5.6).
When connecting the 8 Zone paging console and more than one amplifier is being used and requires
remote paging the “Audio SW” located on each of the amplifiers must be set to the “EXT” position.
To Next Page
Loading...
