US Robotics 56 1, Справочник по командам

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56K Softmodem
Command Reference
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Table 5-5: Table 152. Register S37 Values
S48—LAPM Error Control and Feature Negotiation
This register is used in conjunction with register S36 to define LAPM error control
and feature negotiation. If an invalid number is entered, the register accepts the
value but S48 uses the 128 setting.
Range: 0, 7, or 128.
Default: 7.
Table 5-6: Register S48
The following table lists the S36 and S48 configuration settings necessary to
negotiate certain types of connections.
Value Rate Value Rate
0 Auto rate (default). 10 12000 bits/s.
1 Reserved. 11 14400 bits/s.
2 1200/75 bits/s (V.23). 12 16800 bits/s.
3 300 bits/s. 13 19200 bits/s.
4 Reserved. 14 21600 bits/s.
5 1200 bits/s. 15 24000 bits/s.
6 2400 bits/s. 16 26400 bits/s.
7 4800 bits/s. 17 28800 bits/s.
8 7200 bits/s. 18 31200 bits/s.
9 9600 bits/s. 19 33600 bits/s.
Value Description
S48 = 7 Enable negotiation (default).
S48 = 128 Disable negotiation. Forces immediate fallback options specified in S36.
S48 = 0 Disable negotiation. Bypass the detection and negotiation phases and then proceed with
LAPM.