• Attach 0733-974 (100 ohm, 1/2 W) resistor A as shown in Figure 19 and Figure 20 for the line matching. For more information, refer to
the remote annunciator's instructions.
• Annunciator wiring of RS485 needs to be in Class B only.
Figure 18: Annunciator wiring
Figure 19: Bus style wiring
page 26 579-1402 Rev B
2004 Foundation Series Fire Alarm Control Unit Installation Guide
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