Specifications

UC864-E/G AT Commands Reference Guide

80304ST10041a Rev. 3 - 18/07/08

3.5.3.2.8 Standard Flow Control - \Q

\Q - Standard Flow Control

AT\Q[<n>] Set command controls the RS232 flow control behaviour.

Parameter:

<n>

0 - no flow control

1 - software bi-directional with filtering (XON/XOFF)

2 - hardware mono-directional flow control (only CTS active)

3 - hardware bi-directional flow control (both RTS/CTS active) (factory

default)

Note: if parameter is omitted, the command has the same behaviour as

AT\Q0

Note: Hardware flow control (AT\Q3) is not active in command mode.

Note: \Q’s settings are functionally a subset of &K’s ones.

Reference V25ter

3.5.3.2.9 Flow Control - &K

&K - Flow Control

AT&K[<n>] Set command controls the RS232 flow control behaviour.

Parameter:

<n>

0 - no flow control

1 - hardware mono-directional flow control (only CTS active)

2 - software mono-directional flow control (XON/XOFF)

3 - hardware bi-directional flow control (both RTS/CTS active) (factory

default)

4 - software bi-directional with filtering (XON/XOFF)

5 - pass through: software bi-directional without filtering (XON/XOFF)

6 - both hardware bi-directional flow control (both RTS/CTS active) and

software bi-directional flow control (XON/XOFF) with filtering

Note: if parameter is omitted, the command has the same behaviour as

AT&K0

Note: &K has no Read Command. To verify the current setting of &K,

simply check the settings of the active profile issuing AT&V.

Note: Hardware flow control (AT&K3) is not active in command mode.