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5
Power Supply
After all installation steps are completed, switch on the power supply to the Mitsubishi Alarm
Modem. The modem got two power supply connectors: Two screw terminals and a power sup-
ply jack (pin diameter 2.1 mm, inner diameter 6 mm).
E
ATTENTION:
Power U = 10 ... 30 V DC!
Ensure the correct polarity of the power supply terminals.
NOTE
In order to avoid the interference from power supply units or other interference sources, DC
cables should not be installed in the direct vicinity of AC cables.
E
ATTENTION :
b Use leads with sufficient diameter only.
b Do not use flexible leads with soldered tips.
b Watch the polarity and currency parameters (10 ... 30 V DC, max. 0.7 A,
Power supply jack: pin = positive)
b In order to avoid damages, fasten the terminal screws with a torque momentum
of 0.5 ... 0.6 Nm.
b When using the power supply jack, make sure the plug got an
pin diameter 2.1 mm, inner diameter 6 mm.
b Wiring must be done wit power off only.
5 - 1
+
-
Fig. 5-1:
Ensure that the screws are seated
correctly.
MITSUBISHI ELECTRIC
Power Supply
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