Esse-ti GSM500 M2M, User Manual

Page: 11 / 28

Page 11
Connection to the power supply
Power supply via 230Vac external adapter

Connect the external adapter to the specific input (D in the picture
at page 8.

Connect the backup batteries (if present) to the dedicated input (H
in the picture at page 8).

Close the device cover.
or
12Vdc power supply

Connect the power supply cable to the terminal (F in the picture at
page 8) taking care to respect the polarity.

Connect the backup batteries (if present) to the dedicated input (H
in the picture at page 8).

Close the device cover, paying attention to the power supply cable.
WARNING
The backup batteries, if present, may be connected only
after GSM500 M2M has been supplied.
Note: the max voltage to be supplied to the mains terminal F
is 17 Vdc.
Note: the min voltage required to supply the GSM500 M2M
device by the mains terminal F is 10 Vdc.
Note: a protection cut-out switch must be installed upstream
to interrupt power supply in case of fault.