Specifications
ISI3334/4 Hardware/Driver Installation Manual
14
COMMAND: &BS
n
VALUES: n = 0 or 1
DEFAULT: &BS1
DESCRIPTION:
&BS0 selects maximum transmit block size
of 64 characters.
&BS1 selects maximum transmit block size
of 256 characters (MNP mode)/128
characters (LAP-M mode).
COMMAND: $BA
n
VALUES: n = 0 or 1
DEFAULT: $BA0
DESCRIPTION:
$BA0 selects speed conversion on.
$BA1 selects speed conversion off.
COMMAND: B
n
VALUES: n = 0 or 1
DEFAULT: B0
DESCRIPTION:
B0 selects V.21 answer tone.
B1 selects Bell answer tone. (Not used in
International Models.)
COMMAND: &C
n
VALUES: n = 0, 1, 2 or 4
DEFAULT: &C1
DESCRIPTION:
&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.
COMMAND: &CD
n
VALUES: n = 0 or 1
DEFAULT: &CD0
DESCRIPTION:
&CD0 execute cleardown on disconnect.
&CD1 do not execute cleardown on
disconnect.










