Ositech comm Trumpcard Data/Fax Modem - Manual (Page 54)

4 - 22 Trumpcard 14400/28800 Modem
Section Four
&Ln — Line Type
Parameters 0 or 1
Default 0
Controls selection of leased line or dial-up line. Although the modem has
only a single line connection, the power level is changed when setting
leased line operation.
Examples
AT&L0 Dial-up line
AT&L1 Leased line
&Mn — Communication Mode
Parameters 0
Default None
Same as &Q0.
&Pn — Dial Pulse Ratio (disabled for the U.S.)
Parameters 0,1, 2 or 3
Default 0
Selects the ratio of the off hook (make) to an on-hook (break) interval used
when pulse dialling.
Examples
AT&P0 39%/61% make/break ratio @ 10 pps
AT&P1 33%/67% make/break ratio @ 10 pps
AT&P2 33%/67% make/break ratio @ 20 pps
AT&P3 33%/67% make/break ratio @ 20 pps
&Qn — Communication Mode
Parameters 0, 4 through 6
Default 5
The modem supports three basic communication modes: asynchronous,
autosync, and error correction.