Quantum 560UF/L User Manual

Page 23

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APPENDIX A. AT COMMANDS

ACTIVE Professional External Modem User’s Manual

19

AT\An

Maximum MNP block size

Default : 2

AT\A0

Sets maximum block size to 64 characters

AT\A1

Sets maximum block size to 128 characters

AT\A2

Sets maximum block size to 192 characters

AT\A3

Sets maximum block size to 256 characters

AT\Bn

Transmit break (n=1-9)

Default : 3

When this command is entered during a non-MNP connection, the
modem sends a break signal to the remote modem. The length of the
break is 100 times the n parameter value in milliseconds. If this
command is entered in MNP mode, the modem sends a link attention
PDU to the remote modem.

AT\Gn

Modem to modem flow control

Default : 0

AT\G0

Disables flow control (XON/XOFF)

AT\G1

Enables flow control (XON/XOFF)

AT\Jn

Enable DTE auto Rate Adjustment

Default : 0

\J0

Disables adjustment of DTE speed to match line speed

\J1

Enables adjustment of DTE speed to match line speed

AT\Kn

Break control

Default : 5

When a break is received from the DTE during data transfer, the
modem responds as follows:
AT\K0,2,4

Modem enters the online Command State without
sending a break to the remote modem

AT\K1

Modem clears the terminal and modem buffers and
sends a break to the remote modem

AT\K3

Modem does not clear the buffers but sends a break to
the remote modem

AT\K5

Modem sends a break to the remote modem in sequence
with any transmitted data

When the modem is in the online Command State during a data
connection, the modem takes the following actions:
AT\K0,1

Modem clears the terminal buffers and sends a break to
the remote modem

AT\K2,3

Modem does not clear buffers but sends a break to the
remote modem

AT\K4,5

Modem sends a break in sequence with any transmitted
data

When a break is received from the DTE during a non-error correction
mode, the modem takes the following action:
AT\K0,1

Modem clears the terminal buffers and sends a break to
the local DTE

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