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AT%M Mode LED Indication
If your modem has three ‘Mode’ LEDs, you can use the %M command to determine whether
the LEDs will indicate the line speed or the quality of the line.
The Mode LEDs provide an indication of the line speed or line quality when you are connected
to another modem only.
If you have issued the %M0 command, refer to the table on the underside of your modem to
determine the line speed.
If you have issued the %M1 command:
Mode 1 LED will illuminate whenever the line quality is judged to be poor, Mode 2 LED will
flash whenever a V.42 or MNP error is detected
Mode 3 LED will glow whenever the modem’s flow control has indicated to your computer that
it is unable to send data.
Options
AT%M0 ■ Mode LEDs indicate the connection speed
AT%M1 Mode LEDs indicate the line quality, V.42/MNP errors and flow control
Range
0-1