Different indicator colors and blinking states represent different states of a Smart Access Gateway (SAG) device.

Device LED indicator Description
SAG-100WM LTE Indicates the communication status of the device:
  • On or off: abnormal communication.
  • Blinking: device communicating as expected.
Signal indicator The number of bars indicates the strength of the 4G LTE signal. Three bars indicate the strongest signal.
WAN Indicates the Ethernet usage status:
  • On or off: abnormal Ethernet connection.
  • Blinking: transferring data over the Ethernet.
WIFI Indicates the Wi-Fi connection status:
  • On or off: abnormal Wi-Fi connection.
  • Blinking: transferring data over Wi-Fi.
RUN/SYS Indicates the system status:
  • On or off: system not working as expected.
  • Blinking: system working as expected.
CLOUD Indicates whether the device is connected to Alibaba Cloud:
  • On: connected to Alibaba Cloud.
  • Blinking: restoring the system or restoring to default settings.
  • Off: not connected to Alibaba Cloud.
PWR Indicates whether the device is powered on. On: device powered on. Off: device powered off.
RJ45 yellow light Indicates the connection status and speed of the network interface controller (NIC):
  • On: Ethernet port working in 1000Base-T mode.
  • Off: Ethernet port working in 10/100Base-T mode.
RJ45 green light Indicates the connection status and speed of the NIC:
  • On: Ethernet connected.
  • Blinking: transferring data.
  • Off: Ethernet not connected.
SAG-1000 LTE Indicates the communication status of the device:
  • On or off: abnormal communication.
  • Blinking: device communicating as expected.
Signal indicator The number of bars indicates the strength of the 4G LTE signal. Three bars indicate the strongest signal.
SYS Indicates the system status:
  • On or off: system not working as expected.
  • Blinking: system working as expected.
CLOUD Indicates whether the device is connected to Alibaba Cloud:
  • On: connected to Alibaba Cloud.
  • Blinking: restoring the system or restoring to default settings.
  • Off: not connected to Alibaba Cloud.
PWR Indicates whether the device is powered on. On: device powered on. Off: device powered off.
RJ45 yellow light Indicates the connection status and speed of the NIC:
  • On: Ethernet port working in 1000Base-T mode.
  • Off: Ethernet port working in 10/100Base-T mode.
RJ45 green light Indicates the connection status and speed of the NIC:
  • On: Ethernet connected.
  • Blinking: transferring data.
  • Off: Ethernet not connected.
Some SAG devices use the following indicators:
power Indicates whether the device is powered on. On: device powered on. Off: device powered off.
Alter Indicates whether the device is working as expected:
  • Green: device working as expected.
  • Yellow: device having faults.
Cloud Indicates whether the device is connected to Alibaba Cloud:
  • Green: device connected to Alibaba Cloud.
  • Yellow: device not connected to Alibaba Cloud.