Black Box MD1640A Modem User Manual


 
152
SERIES II INTELLIGENT DATA/FAX MODEMS
Command Values Description
&Bn n = 0 or 1 *&B0 means normal transmit buffer size.
&B1 means reduced transmit buffer size.
&BSn n = 0 or 1 &BS0 means maximum transmit block size
of 64 characters.
*&BS1 means maximum transmit block size
of 256 characters.
$BAn n = 0 or 1 *$BA0 means speed conversion is on.
$BA1 means speed conversion is off.
&Cn n = 0,1,2,4 &C0 forces Carrier Detect on.
*&C1 lets Carrier Detect act normally.
&C2 lets Carrier Detect drop S24 time on
disconnect.
&C4 resets modem when Carrier Detect
drops.
&CDn n = 0 or 1 *&CD0 execute cleardown on disconnect.
&CD1 do not execute cleardown on
disconnect.
Ds s = phone # Dial a telephone number “s,” where s may
include up to 60 digits or T, P, R, comma
and ; characters.
* Factory Default Setting
Command
Values Description
DsNd s = phone # Store telephone number. To store, phone
d = 0 thru 9 number ”s“ is entered and followed by N
and then Directory Number “d.”
&Dn n = 0 thru 3 &D0 DTR is ignored.
&D1 means modem returns to command
mode.
*&D2 lets modem react to DTR normally.
&D3 causes modem to reset to modem
default parameters.