Cellular (TX/RX) LED Indicator

When the data logger is powered, the cellular LED will turn on according to cellular modem communications states:

• Off: Cellular modem off, insufficient power, or failure to establish a connection with the provider (periodic retries will occur).
• Solid: Cellular modem is powering up and attempting to establish a connection with a provider.
• Quick Flashing (approximately 1 second duration): Indicates successful network registration.
• Flashing: Flashes with network activity.