AT Commands: Serial

n=0 : Always assert DCD.

n=1 : Assert DCD when in a data mode (UDP, TCP, PPP, or SLIP) (Default).

n=2 : Assert DCD when the modem has network coverage.

&Dn

Set DTR mode.

n=0 : Ignore DTR, same effect as HW DTR always asserted (same as S211=1).

n=2 : Use hardware DTR (same as S211=0).

&Sn

Set DSR mode.

n=0 : Always assert DSR (Default).

n=1 : Assert DSR when in a data mode (UDP, TCP, PPP, or SLIP) .

n=2 : Assert DSR when the modem has network coverage.

&W

Writes all changed modem settings. If this command is not issued, any modified values will revert back to their previous values at modem reset.

Cannot be configured in Wireless Ace.

*PPPNOCARRIER=n

Provides a “No Carrier” message to a device connected to the serial port using PPP or CHAP when the cellular connection becomes unavailable.

n=0 : Disabled (Default).

n=1 : Enabled.

Raven X EV-DO for Verizon - User Guide, version 2.34

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Airlink X EV-DO manual Set DTR mode, PPPNOCARRIER=n