Ampac EV3000 - Main Equipment Description; Common Board Frame

Page 15
EV3000 INSTALLATION & COMMISSIONING
8.5 Main Equipment Description
The MAIN EQUIPMENT consists of the Common Control boards, Main CPU, OIS control cards,
Amplifiers, Power Supply and Termination boards.
8.5.1 Common Board Frame
The common board frame is the top frame in the ECP and houses the following boards/modules.
 Main Signal/Speech Generator Board (302 491B)
 Standby Signal/Speech Generator Board (302 491B if installed)
 Main Microphone/BGM Mixer Board (302 484)
 Standby Microphone/BGM Mixer Board (302 484 if installed. 2 x 251-0014 guide rails required)
 FACP Input CPU Board (302 620 if installed)
302-491B / 154-0076 SPEECH/TONE GENERATOR (MAIN) 302-491B / 154-0076 SPEECH/TONE GENERATOR (STANDBY) 302-484 MIC/BGM MIXER (MAIN) 302-484 MIC/BGM MIXER (STANDBY) 302-620 SECONDARY CPU - FIB INPUT
Figure 7: Common Board Frame