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Chapter 5 – AT Commands, S-Registers, and Result Codes
Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 82
Register Unit Range Default Description
S210 0–255 13 (0Dh) V.34 Symbol Rate. The bits in this parameter control V.34 symbols rates
and enable/disable V.34 asymmetric rates. This parameter is used for
diagnostic purposes only.
Default: 13 (0Dh) (00001101b)
Bits 0 -2 Selects the range of allowed V.34 symbol rates.
21
0 Symbol Rates (baud)
0 0 0 2400 only
0 0 1 2400 only (no 2734)
0 1 0 2400, 2800
0 1 1 2400, 2800, 3000
1 0 0 2400, 2800, 3000, 3200
1 0 1 2400, 2800, 3000, 3200, 3429 (Default.)
Bit 3 Enable/disable V.34 asymmetric rates.
0 = Disable asymmetric rates
1 = Enable asymmetric rates (Default.)
Bits 4-7 Reserved.
Examples
S210=13 Enable asymmetric rates with all symbol rates available
(Default.).
S210=5 Disable asymmetric rates with all symbol rates
available.
S210=8 Enable asymmetric rates with only 2400 baud available.
S210=11 Enable asymmetric rates with 2400 to 3000 baud
available.
* Register value may be stored on one of two user profiles with the &W command.