> 12.6 | AT+FTH Transmit Data Using HDLC Framing

> The AT+FTH command causes the TA to transmit data using the HDLC protocol and the modulation scheme <mod>=3.
> An ERROR response code results if the write command is issued while the modem is on-hook. The test command can be used either in on-hook or off-hook mode to check the value supported by the <mod> parameter.
> Syntax

> Test Command AT+FTH=?
> Response(s)
> +FTH:(list of <mod>s)
> OK

> Write Command AT+FTH=<mod>
> Response(s)
> CONNECT

> Reference(s) |  | PIN |  | ASC0 | ASC1 | USB | MUX1 | MUX2 | MUX3 |  |  | Charge | Q | Last
> TIA/EIA-578 |  | - |  | + | - | + | + | - | - |  |  | - | - | -

> Note

> • | TC65 supports only <mod>=3.