Connections
Power Requirements
Power is supplied to the cellular modem by a 12V DC power supply connected to the N+ and N- terminals.
V+
V-
Z4
V-
Z3
Z2
V-
Z1
BZ
L1
D1/
NB
D0/
NA
Cellular Modem
N+
N-
The modem is not isolated and power may be supplied by the controller, another module, or a separate 12V DC
power supply.
If supplied from a separate power supply the ground reference must be connected
.
The SIM, antenna and USB connector cable should be installed before power is applied.
USB Connection
The cellular modem is connected to the system via USB connection to a Protege GX or Protege WX controller.
Protege controllers which do not have a physical USB port are incompatible and cannot be retrofitted.
Controller
USB
ANT
SIM
12VDC IN
USB
N+
N-
Cellular
Modem
USB-A to USB-C cable
A USB-A to USB-C connector cable is supplied with the cellular modem, however any compatible cable may be
used for connection. Connect the USB-A end of the cable to the USB port of the Protege controller, and the USB-C
end of the cable to the USB port of the cellular modem.
PRT-4G-USB | Protege DIN Rail Cellular Modem | Installation Manual
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