Appendix C – AT Commands
Extended "AT&" Commands
(Includes RTS/CTS Flow Control Commands)
Command | Description | |
&Bn | Data rate, | |
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| &B1 | DTE/DCE rate fixed at DTE setting |
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&Cn | Carrier Detect operations | |
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| &C1 | Carrier Detect tracks presence of carrier |
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&Dn | Data Terminal Ready (DTR) operations | |
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| &D2 | DTR off causes modem to hang up |
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&F | Load the default factory settings, | |
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| |
&Kn | Data flow control, DTE/DCE, n=0,3,4 | |
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| &K0 | Flow control disabled |
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| &K3 | Hardware (RTS/CTS) flow control |
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| &K4 | Software (XON/XOFF) flow control |
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&Sn | Data Set Ready (DSR) | |
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| &S0 | DSR overridden, DSR always on |
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