Supported AT Command Reference
40 2130617
!PCVOLT?
Supporting modems:
• All MC modems
• C885
• C888
Returns current power supply voltage information
This command returns the module’s power supply state and actual voltage.
Usage:
• AT!PCVOLT? returns the <state>, <voltage>, and <raw> (Analog/Digital
Convertor reading).
Parameters:
<state> (power supply state):
• “Normal”
• “High Critical”
• “Low Warning”
• “Low Critical”
<voltage>:
• Current voltage reading in mV.
<raw>:
• Analog/Digital Convertor reading
!POWERDOWN
Supporting modems:
• All
Powers down the system
This command powers down the system. After using this command, the
modem will not communicate with the host until it has been power cycled.
Usage:
• AT!POWERDOWN returns “OK” and powers the system down.
Note: This command should only be used when testing using an appropriate
testing jig—do not use it when the modem is installed in a computer.
Table 3-2: Modem status, customization, and reset commands (Continued)
Command Description
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