Cisco IG21 Series Installation Manual page 10

Cisco IG21 IoT Gateways Panels
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Cisco IG21 IoT Gateways, Cisco IG21R Rugged IoT Gateways, and Cisco IG31R Rugged IoT Gateways Hardware Installation Guide
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Gigabit Ethernet WAN port (top port).
The LED for this port provides the following
information:
• Off: Device is not connected to the WAN
• Solid green: Device is connected to the WAN
• Flashing green: Device is transmitting or
receiving network traffic
Gigabit Ethernet LAN port (bottom port).
The LED for this port provides the following
information:
• Off: Device is not connected to the LAN
• Solid green: Device is connected to the LAN
• Flashing green: Device is transmitting or
receiving network traffic
RS-232 serial port. Reserved for future use.
LTE LED. Provides information about cellular
connectivity as follows:
• Off: One or more of the following conditions
exists:
• Device is powered off
• SIM card is not installed in the device
• SIM card is not activated
• SIM is not properly inserted
• Device is not receiving a cellular signal
• Flashing green: Device is receiving a cellular
signal, but the cellular signal is weak (RSSI is
less than –90 dBm)
• Solid green: Device is receiving a strong cellular
signal (RSSI is greater than –90 dBm)
Product Overview