Digicom 3911, 3910 operation manual Break Buffr Ctl KeepData Nxt KeepData DiscardData

COMSPHERE 3900 Series Modems

Table 5-6

(6 of 7)

V.42/MNP/Buffer Configuration Options

Break Buffr Ctl: Keep_Data

Nxt Keep_Data Discard_Data

This configuration option is only available if Async/Sync Mode is configured for Async, and Error Control Mode is not configured for DirectMode.

Break Buffer Control. Determines if data stored in the modem’s buffer is saved or discarded when the DTE issues a break sequence.

HKeep Data (Nondestructive mode)

Saves the data in the buffer in both the local and remote modems.

HDiscard Data (Destructive mode)

Empties the data buffer. Only buffers in the same direction of travel as the break are discarded.

NOTE: This configuration option is ignored if the Break Forces Escape configuration option (refer to the DTE Dialer configuration options group) is enabled.

The AT commands for Discard Data are \K0 and \K1.

The AT commands for Keep Data are \K2, \K3, \K4, and \K5.

Send Break Cntl: Data_First

End Data_First Break_First

This configuration option is only available if Async/Sync Mode is configured for Async, and Error Control Mode is not configured for DirectMode.

Send Break Control. Determines what is sent from the modem first, data or break if a break sequence is sent from the DTE.

HData First (Nonexpedited)

A break is treated as a data character and is sent in the order it was received. This is also known as Nonexpedited mode.

HBreak First (Expedited)

A break is sent before the data currently in the buffer. This is also known as Expedited mode.

NOTE: This configuration option is ignored if the Break Forces Escape configuration option (refer to the DTE Dialer configuration options group) is enabled.

The AT commands for Break First are \K0, \K1, \K2, and \K3.

The AT commands for Data First are \K4 and \K5.

5-44 September 1998 3910-A2-GN32-40