101
Terminating ISMT Speakers to MDF
Description, Installation, Operations, and Maintenance Manual
Federal Signal www.fedsig.com
11.0 Terminating ISMT Speakers to MDF
11.1 Terminate an ISMT speaker to Amplifier Chassis 1, Amplifier 2
• Amplifier Chassis 1 should already be terminated to the 8-pin connector on the
amplified audio distribution card in slot 1 on the audio (left) panel assembly in the
MDF area.
Figure 65 Left (Audio) MDF Panel
• Using a standard amplified audio distribution card, P-AADC2-G, with spring
terminal block connectors for speakers
• Amplifier Chassis 1 is set up with an ISMT card installed
• Amplifiers are installed in slots 2 and 4
• Configure the Standby Amplifier Chassis by inserting the four jumpers on the signal
motherboard in the right-most position, or remove jumpers from the chassis.
• The Standby Amplifier is configured using the System Manager software application.
• ISMT speakers are discovered using amplifier diagnostics
• With the chassis configured for ISMT, the amplifier in slot four defaults to standby