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Fire Alarms must be sent over both communication channels. Fire output from Fire Alarm Control Unit
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must be connected to input 1 on the LE4020/LE4020CF.
24 hour Test Transmission must be enabled on the dialler and on the LE4020/LE4020CF.
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Figure 1-7 DSC Subscribers' Unit Fire and Cellular Transmitter Mounted in the Same Room
Note: For PowerSeries
NEO panel refer to
Installation Guide
29005157.
For PowerSeries Pro
panel refer to Installation
Guide 29010346.
Notes:
Power for LE4020 must be provided from Fire Alarm Control Unit or separately listed power supply
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rated for the application (10-28V/700mA).
All wiring connections must be run in a metallic conduit.
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Phone Line Monitoring (TLM) must be enabled.
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Phone Line trouble is indicated by the Blue LED on the LE4020/LE4020CF.
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Connect PGM4 output from the LE4020/LE4020CF (Trouble Conditions) to a zone input on the Sub-
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scriber Unit for supervision of the GSM Transmitter.
24hour Test Transmission over phone line (PSTN) and LE4020/LE4020CF must be enabled.
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Fire Alarm must be sent over both communication channels.
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On the Subscribers' Unit, program PGM1 for PC1616/PC1832/PC1864 as System Event (Section [009]
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as type 10; Section [501] Fire Event option 2 ON). An alternate option is to program PGM1 as Zone
Follower (Section [009] = 29) and assign Fire Zone to PGM1 in Section [551]. Ensure Bit 3 is on in
[501]. In this case, a restored fire alarm condition does not require the DSC control panel to be reset.
For PC4020, program PGM1 as type 49 Steady Fire ([00070049]).
Dry contact outputs from ULC Listed Fire Alarm Control Unit must be connected to zone inputs on the
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ULC Listed DSC subscribers' Unit Fire.
Refer to detailed diagrams.
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DSC Keypad
LCD4501
PK55XX
Subscribers'
Fire Alarm Control Unit
Unit Fire
Outputs
Zone
Fire
Inputs
Supervisory
TIP
PC4020
Trouble
PC1864
PC1832
PC1616
AC Input
AC Input
29
AUX Power
DSC
LTE/3G
10-28V/700mA
Cellular
Transmitter
LE4020/LE4020CF
T1/R1
TIP
TIP/RING
RING
Zone
Input
PGM4
PGM1
RM1C ULC
Relay
RM1C ULC
Relay
PC5003C
PC4050CR
LE4020/LE4020CF cabinet
cabinet
6.1 Wiring Diagrams
LTE/3G (HSPA)
PSTN
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