Normal (No alarm or trouble) Condition
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XP Series Transponder PN 15888:G 6/11/98
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All notification appliances and the piezo trouble sounder should be silenced. The green
LED should be lit, indicating that power is present. If the Transponder is employed as a
peripheral to an FACP, and communication with the control panel has been enabled, the
green LED will flicker to the communication rate between the two. All other status
LEDs should be off.
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The red system alarm LED on the XPP-1 will be lit from the moment of alarm. Alarm
indicator(s) on all alarmed zones will flash at the rate of five times per second until
acknowledged.
If Alarm Verification has been selected, the zone-specific red LED on the XPM-8 will
flash twice per second (slower rate) during the verification period.
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Press the Acknowledge/Silence/Reset Button. Do not hold in for more than five
seconds or the Transponder will be reset. The Acknowledge/Reset button must be
pushed once for each Initiating Device Circuit (IDC) in alarm. As each IDC is
acknowledged, its red Alarm LED will light steadily.
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Press the Acknowledge/Silence/Reset Button and hold in for more than five seconds.
Release the button and the XPP-1 will reset and execute a sequential Lamp Test of all
the LEDs on the XP Transponder modules. Following this, the starting address of each
expansion module is displayed in Binary Coded Decimal (BCD) format.
Example: An XPC-8 module with a starting address of 34 will produce the following
LED display at the conclusion of Lamp Test:
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The yellow trouble LED on the XPP-1 will be flashing a code that corresponds to a
specific type of trouble condition. The piezo sounder will "beep" to the same code as
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Address = 3 Address = 4
First BCD Digit Second BCD Digit
8 4 2 1 8 4 2 1
