Chapter 4 - AT Commands,
COMMAND: #An
VALUES: n = 0 thru 3
DEFAULT: #A0
DESCRIPTION:
#A0 selects initial handshake at 33,600 to 31,200 to 28,800 to 24000 to 21,600 to 19,200 to 16,800 to 14,400 to12,000 to9600 to 4800 to 2400 to 1200 to 300 bps.
#A1 selects initial handshake at 33,600 bps only.
#A2 selects initial handshake at 33,600 to 31,200 to 28,800 to 24000 to 21600 to 19,200 to 16,800 19,200 to 14,400 to 9600 to 4800 bps.
#A3 selects initial handshake at 2400 to 1200 to 300 bps.
COMMAND: &Bn
VALUES: n = 0 or 1
DEFAULT: &B0
DESCRIPTION:
&B0 selects normal transmit buffer size. &B1 selects reduced transmit buffer size.
COMMAND: &BSn
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
COMMAND: Bn
VALUES: n = 0 or 1
DEFAULT: B0
DESCRIPTION:
B0 selects V.21 for 300 bps operation.
B1 selects for 300 bps operation. (Not used in International Models.)
COMMAND: $BAn
VALUES: n = 0 or 1
DEFAULT: $BA0
DESCRIPTION:
$BA0 selects speed conversion on. $BA1 selects speed conversion off.
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