ClimaCheck Gateway NX400 Hardware Manual
–
2020-03-26 Page 37 of 41
5.5
External connections
Connections to external equipment are done via pluggable screw terminals that are located on the
top and bottom sides of the unit. All connections are available externally for easy access and
maintenance.
Front side
On the front side of the Gateway a large LCD display, with touch screen, is found that shows
status of the device. For detailed information on the LCD display see section 1.2. Also found on the
front side is the LED
’
s and the reset switch. LED
’
s are described in section 1.1.
Figure 29 Front view
Bottom side
On the bottom side terminal of the Gateway the following interfaces are found: Power, digital
inputs, digital outputs, analog inputs and analog outputs, as shown in Figure 30. See Table 7 for
more information of each terminal.
Above the terminal blocks the following interfaces are found: SD-Card, audio jacks, SIM-card
reader and the mini-USB service port.
Figure 30 Bottom-side view
Top side
On the top side of the Gateway the following interfaces are found: CAN bus, 1-Wire bus, RS485
ports, DC-out and connection for an optional external battery, as shown in Figure 31. See Table 7
for more information of each terminal.
Above the terminal blocks the following interfaces are found: SMA connector for UMTS/GSM, RP-
SMA connector for Wi-Fi / Bluetooth, USB host port, Ethernet connector, RS232 port and finally
DIP-switches.
