NOTICE - POWER SUPPLY
Where an AC/DC-adapter has not been supplied, a power supply with a maximum output
power rating of 100 W, or a current limit of a 1A should be used.
3.4.2. Digital I/O Interface
IN 6
IN 5
IN 4
IN 3
IN 2
IN 1
OUT 2
OUT 1
Figure 4. Pinout of the digital I/O sockets
On the first digital I/O socket, there is a 4 x 2 pin connector comprising two inputs and two outputs. The
second digital I/O socket has four inputs.
The relay contact output has 30 VDC 1A rating.
The output is connected to a pair of relay contacts that are normally open, that is open when no power is
applied.
3.4.3. Serial Ports
A pair of asynchronous serial ports may be present on the router. The serial ports are named:
Serial 1: "/dev/ttyUSB0"
Serial 2: "/dev/ttyUSB1"
2
1
SERIAL
Figure 5. Serial ports
Each serial port is configurable to operate in either RS-232 or RS-485 mode. The pin numbering of the serial
port connector is shown below.
1
8
Figure 6. Pin numbering of serial port
3.4.4. Console Port
The router has a USB console port with a type C connector. The router acts as a device.
3.4.5. Host Port
The router has a single USB type C host port. The router presents as a host. Power is supplied by the router at
5V and up to 1A.
3.4.6. Antennas
The router has three SMA connectors (se Hardware Overview). They are:
Merlin 4600 Series
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