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Digital Monitoring Products
 
XTL Installation Guide
4
InstallatIon
Installation
4.1  Mounting the Enclosure
The enclosure for the XTL panel must be mounted using the provided #6 screws in the four mounting holes
shown in Figure 2. Mount the enclosure in a secure, dry place to protect the panel from damage due to
tampering or the elements. It is not necessary to remove the PCB when installing the enclosure.
65555
RESET
S1
LOAD
S2
BAT
J1
PROG
RED
PWR
MODEL XTL
Mounting Hole
Locations
TX  RF  RX
Figure 2: Mounting Hole Locations
Primary Power Supply
5.1  DC Input
Mount the XTL panel near a wall outlet for the Model 372-500 plug-in DC power supply. In addition to
powering the panel, the DC plug-in power supply also charges the back-up battery. The 372-500 must be
located within 100 feet of the panel using 22 AWG wire or 250 feet using 18 AWG wire. Use the following
steps to connect the plug-in power supply:
1. Using 18 or 22 AWG wire, connect the panel PWR (J2) first terminal (+) to the positive terminal on
the power supply.
2. Connect the panel PWR (J2) second terminal (-) to the negative terminal on the power supply.
3. Plug the power supply into a 110 Volt AC dedicated outlet not controlled by a switch.
65555
RESET
S1
LOAD
S2
BAT
J1
PROG
RED
PWR
MODEL XTL
Wire Exits for DC 
Power Supply
+
-
TX  RF  RX
Model 372-500
DC Plug-in
Power
Supply
Use 18 AWG or 22 AWG for 
Power Supply connection
+
_
Figure 3: DC Power Supply Connection