> 4.4 | Example: Establishing Logical Channels without Parameter Negotiation

> • | Send AT+CMUX=0; wait for the response

> • | Send Request SABM for DLCI = 0; wait for the response

> • | Send Request SABM for all requested DLCIs; wait for the response

> As a result the multiplexer is established and information / data can be transmitted (⇒ ready for Information Transfer).
> Figure 12: Establishing the multiplexer control channel and the logical channel