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One special value of S38, S38 = 251, is used for back-to-back (factory) testing of
V.34 rates, with DSP code running in external memory. Set S38=251 on both
originating and answering modems. (This feature is not valid with ramless
solution.)
S42 Auto Rate (default 1, range 0-1)
This command is used for testing and debugging only. V.32bis and V.22bis auto
rate is disabled. Retrain operation is disabled or enabled in data mode, and
fallback is disabled in data mode. In K56flex mode, S42=0 forces connection at
the rate specified by S38 (even if the rate cannot be sustained), without fallback
to V.34.
0 = auto rate disabled, 1 = enabled.
Range: 0-1
Default: 1
S43 Auto Mode (default 1, range 0-1)
This command is used for testing and debugging only.
V.32bis startup auto mode operation disabled.
0 = auto mode disabled, 1 = enabled.
Range: 0-1
Default: 1
S48 LAPM Error Control and Feature Negotiation (default 7)
S48=7Negotiationenabled
S48 = 128 Negotiation disabled; forces immediate fallback options specified in
S36
The following chart lists the S36 and S48 configuration settings necessary to
negotiate certain types of connections:
Table 7: S36 and S48 Configuration Settings
S48 = 7 S48 = 128
S36 = 0,2 LAPM or hangup do not use
B-14 Intel
®
PRO/100 SP Mobile Combo Adapter: User’s Guide