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AT Command Set and S-Registers
13-153980-A2-GB30-40 October 1998
Table 13-1
(13 of 15)
3800
Plus
AT Commands
AT Command Front Panel BranchDescription
%B
n
, %BL
n
Modulation/Data Rate
Sets the modulation and maximum dial VF rate. The same function can be
performed with S-register S41; the %B and %BL commands are provided
for compatibility with environments where those commands are used.
The %B300 and %B1200 commands work in conjunction with the B
(ITU-T/ Bell Mode) command to determine modulation.
The %B2400 through %B33600 commands set the modem for V.34 or
V.34 extended operation.
The %BL2400 through %BL19200 commands set the modem for V.22bis,
V.32, V.32bis, or V.32
terbo
operation.
%B300 V.21 or Bell 103 — max. rate 300 bps (S41=10, S41=11)
%B1200 V.22 or Bell 212A — max. rate 1200 bps (S41=7, S41=8)
%B2400 V.34 — max. rate 2400 bps (S41=40)
%B4800 V.34 — max. rate 4800 bps (S41=39)
%B7200 V.34 — max. rate 7200 bps (S41=38)
%B9600 V.34 — max. rate 9600 bps (S41=37)
%B12000 V.34 — max. rate 12,000 bps (S41=36)
%B14400 V.34 — max. rate 14,400 bps (S41=35)
%B16800 V.34 — max. rate 16,800 bps (S41=34)
%B19200 V.34 — max. rate 19,200 bps (S41=33)
%B21600 V.34 — max. rate 21,600 bps (S41=32)
%B24000 V.34 — max. rate 24,000bps (S41=31)
%B26400 V.34 — max. rate 26,400 bps (S41=30)
%B28800 V.34 — max. rate 28,800 bps (S41=29)
%B31200 V.34 — max. rate 31,200 bps (S41=28)
%B33600 V.34 — max. rate 33,600 bps (S41=27)
%BL2400 V.22bis — max. rate 2400 bps (S41=6)
%BL4800 V.32bis/V.32 — max. rate 4800 bps (S41=5)
%BL7200 V.32bis — max. rate 7200 bps (S41=4)
%BL9600 V.32bis/V.32 — max. rate 9600 bps (S41=3)
%BL12000 V.32bis — max. rate 12,000 bps (S41=2)
%BL14400 V.32bis — max. rate 14,400 bps (S41=1)
%BL16800 V.32
terbo
— max. rate 16,800 bps (S41=21)
%BL19200 V.32
terbo
— max. rate 19,200 bps (S41=20)
Configure\Edit\
Dial Line
%C
n
MNP5 Data Compression
%C0 Disable.
%C1 Enable.
Configure\Edit\
V42/MNP/Buffer