Configuring With At Commands; Led Behavior - Sierra Wireless AirLink ES450 Hardware User's Manual

AirLink ES450 Hardware User Guide

Configuring with AT Commands

You can also configure the ES450 gateway using AT commands over the RS-232 serial
port or the USB port (configured as a virtual serial port). All the commands are listed in
the ALEOS Software Configuration User Guide.
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LED Behavior

Table 2-2: LED Behavior
LED Color / Pattern
Power Off
Solid Green
Solid Amber
Solid Red
Signal Solid Green
Solid Amber
Solid Red
Flashing Red
Network Solid Green
Flashing Amber / Green
Flashing Green
Flashing Amber / Green / Off
Flashing Amber
Solid Amber
Flashing Red
Solid Red
Flashing Red/Amber
Rev. 7 July 2019
Most AT commands are prefaced with AT. Exceptions are noted in the ALEOS
Configuration User Guide.
The acceptable format and parameters are listed with each command in the ALEOS
Configuration User Guide.
If you enter a recognized AT command, the ES450 gateway responds with "OK." If the
command is wrong, the ES450 gateway responds with "ERROR" or "Unsupported."
No power or input voltage
Device is connected to nominal power and is operating normally.
Device is entering low power mode or system low level boot.
Device is not operational (failure or in low power mode).
Good signal (RSSI
Marginal signal (-100 dBm
Poor signal (-110 dBm
No signal (RSSI
Connected to an LTE network
Network Ready—No LTE service available
Network Ready—Roaming (LTE service available)
Network Ready—Roaming (No LTE service available)
No Service
Connected to a 3G or 2G network
Authentication/Negotiation failed (EV-DO only)
Link Down
No cellular network is present, no network coverage at current
location, or the device is in radio passthru mode
The gateway is unable to locate the required radio module firmware.
You must upgrade the radio module firmware for the gateway. For more
information, refer to the ALEOS Software Configuration User Guide.
Description
≥ 36 VDC or
≥ -85 dBm)
<
RSSI
≤ RSSI ≤ -100 dBm)
<
-110 dBm)
23
≤ 9 VDC
<
-85 dBm)
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