
Chapter 3 - AT Commands, S-Registers, and Result Codes
21 = 53,333 bps
22 = 54,666 bps
23 = 56,000 bps
Upstream data rates
Upstream V.90 data rates are 4800 to 33,600 bps in 2400 bps increments.
S48= | 7, 128 |
| S48 sets the LAPM error control and feature negotiation: | ||
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| S48=7 |
| Negotiation enabled |
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| S48=128 |
| Negotiation disabled. Force |
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| immediate fallback options |
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| specified in S36 |
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| S36=0 or 2, and S48=7 |
| LAPM or hang up |
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| S36=0 or 2 and S48= 128 | Do not use | |
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| S36=1 or 3, and S48=7 |
| LAPM or async |
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| S36=1 or 3, and S48=128 | Async | |
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| S36=4 or 6, and S48=7 |
| LAPM, MNP or hang up |
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| S36=4 or 6, and S48=128 | MNP or hang up | |
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| S36=5 or 7, and S48=7 |
| LAPM, MNP or async |
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| S36=5 or 7, and S48=128 | MNP or hang up | |
S89= | 0, 5 - 60 030 | S89 sets the Sleep Mode control timer. Specify the number of | |||
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| seconds of inactivity (no character sent from DTE, no RING) in the | ||
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| mode. A value of “0” prevents standby mode. If a number between 1 | ||
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| and 4 is entered for this register, it will set the value to 5. | ||
S91= |
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| Transmit power level adjustment (Japanese version only): | ||
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| Range: |
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| Default: | 014 |
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S109 | 1 | Sets one of three 56K operating modes: | |||
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| K56flex mode, V.90 mode, or |
connections for testing purposes, etc. S109 sets the 56K operating mode as shown below:
0 = V.90 disabled
1 = K56flex or V.90 (Dual mode enabled)
2 = V.90 only (K56flex disabled).
MT5634ZLX/FE | 45 |