Boca Systems M144PA, Руководство пользователя

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14.4 BOCAMODEMcard-PC
44
V.42 AND MNP DATA MODE ‘AT’ COMMAND SET
Command Description (Default)
%An Set Auto-reliable Fallback Character: (none)
In Auto-reliable Mode (\N3), with Auto-reliable Character Fallback enabled
(\C2), receipt of the fallback character from the line during the V.42
detection phase will cause the modem to switch to Normal Mode. This
allows a remote user with a non-V.42 modem to connect immediately with
a ‘V.42 modem. A space or carriage return is usually chosen for the
fallback character.
n = 0-127 (ASCII character)
%Cn MNP 5 Data Compression Control: (1)
This command controls whether the data sent during the MNP frames is
compressed using MNP Class 5 compression standard. MNP 5 data
compression can improve throughput by as much as 150%.
n = 0 No compression
n = 1 MNP Class 5 compression *
\An MNP Block Size: (3)
This command specifies the maximum number of data bytes in an MNP
data frame. A smaller frame size may improve throughput on high
impairment (noisy) telephone lines.
n = 0 Max 64 characters
n = 1 Max 128 characters
n = 2 Max 192 characters
n = 3 Max 256 characters *