The AUX port is used to communicate with any host device which has standard TTL serial communication lines. For example, to access the logger remotely with either MODEM, you need to communicate with the logger via AUX port.
The AUX port is used to communicate with any host device which has standard TTL serial communication lines. For example, to access the logger remotely with either MODEM, you need to communicate with the logger via AUX port.