30
Figure 1-8 DSC Subscribers’ Unit Fire and 3G Cellular Transmitter Mounted Remotely
Alternate Wiring Diagram for DSC Subscribers' Unit Fire and Cellular Transmitter Passive Communication Sys-
tem - Using Phone Line Supervision Relay
Fire Alarm
Control Unit
Outputs
Fire
Supervisory
Trouble
DSC
Subscribers’
Unit Fire
Zone
Inputs
TIP
RING
PGM1
DSC Keypad
LCD4501
PK55XX
LTE/3G
Cellular
Transmitter
LE4020/LE4020CF
T1/R1
PGM1
TIP/RING
Zone
Input PGM4
AUX Power
10-28V/700mA
RM1C ULC
Relay
PC5003C
PC4050CR
cabinet
LTE/3G (HSPA)
PSTN
AC Input
AC Input
PC4020
PC1864
PC1832
PC1616
RM1C ULC
Relay
LE4020/LE4020CF cabinet
RM1C ULC
Relay
Note:
For PowerSeries NEO
panel refer to Installation
Guide 29005157.
For PowerSeries Pro panel
refer to Installation Guide
29010346.
PLEASE NOTE THAT EITHER RM1C ULC OR RM2 RELAYS CAN BE USED FOR ULC
INSTALLATIONS
Notes:
l
Connect PGM output from the LE4020/LE4020CF (Phone Line Trouble) to a zone input on the sub-
scriber unit for supervision of the phone line voltage.
l
When the LE4020/LE4020CF is installed remotely from the DSC Control Panel, the Phone Line
Trouble condition must be monitored at the keypad using an additional RM1C relay.
LE4020/LE4020CF Installation Manual