
42CHAPTER 5: USING THE MODEM
| S36 Error Correction Negotiation Failure Treatment (V.25ter not enabled). Storable. | ||||||
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 | ■ | 0 | = Disconnect | 
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 | ■ 1 = Normal asynchronous (no error control) | 
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| S36 Communication Mode Setting for V.25ter, Nonstorable. | ||||||
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 | Bit 0. Direct mode | 
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 | Bit 1. Asynchronous mode | 
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 | Bit 2. MNP | 
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 | Bit 3. V42 | 
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 | Bits 7- 4. Communication mode setting for answer mode | |||||
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 | Bit 4. Direct mode | 
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 | Bit 5. Asynchronous mode | 
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 | Bit 6. MNP | 
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 | Bit 7. V42 | 
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| S37 Desired DCE Speed. Values marked by M are reserved exclusively for analog modem | ||||||
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 | features. Those marked by I are used only for ISDN V.110 data calls. Values with no | |||||
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 | symbol can be used for analog modems and V.110 calls. For V.110 calls, the | |||||
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 | corresponding speed value is used disregarding the modulation specified. (e.g. | |||||
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 | S37=18 will result in a V.110 connection at 12000 bps.). Storable. | |||||
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 | For N0 command: | 
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 | ■ | 0 | = Last AT command speed | ■ | 21 | = M V.34 - 4800 | 
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 | ■ | 1 | = M 300 (Bell 103) | ■ | 22 | = M V.34 - 7200 | 
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 | ■ | 2 | = M 300 (Bell 103) | ■ | 23 | = M V.34 - 9600 | 
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 | ■ | 3 | = M 300 (Bell 103) | ■ | 24 | = M V.34 - 12000 | 
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 | ■ | 4 | = 400 (V.110) | ■ | 25 | = M V.34 - 14400 | 
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 | ■ | 5 | = 1200 (V.22 or B212 or V.110) | ■ | 26 | = M V.34 - 16800 | 
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 | ■ | 6 | = 2400 (V.22bis or V.110) | ■ | 27 | = V.34 - 19200 (or V.110, 19200) | 
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 | ■ | 7 | = M V.32 4800 | ■ | 28 | = M V.34 - 21600 | 
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 | ■ | 8 | = reserved | ■ | 29 | = M V.34 - 24000 | 
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 | ■ | 9 | = M V.32 9600 with Trellis Coded | ■ | 30 | = M V.34 - 26400 | 
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 | Modulation (TCM) | ■ | 31 | = M V.34 - 28800 | |
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 | ■ 10 = M V.32 9600 without TCM | |||||
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 | ■ | 32 | = M V.34 - 31200 | |||
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 | ■ 11 = M 300 (V.21) | |||||
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 | ■ | 33 | = M V.34 - 33600 | |||
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 | ■ 12 = M 1200 (V.23) | |||||
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 | ■ | 34 to 49 = reserved | ||||
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 | 13 = reserved | ||||
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 | ■ | ■ | 50 | = I 38400 (V.110) | ||
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 | ■ 14 = I 3600 | |||||
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 | ■ | 51 | = I h48000 | |||
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 | ■ 15 = V.32bis 4800 (or V.110, 4800) | |||||
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 | ■ | 52 | = I h56000 | |||
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 | ■ 16 = V.32bis 7200 (or V.110, 7200) | |||||
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 | ■ | 53 | = I h64000 | |||
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 | ■ 17 = V.32bis 9600 (or V.110, 9600) | |||||
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 | ■ | 54 to 254 = reserved | ||||
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 | ■ 18 = V.32bis 12000 (or V.110, | |||||
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 | ■ | 255 = Last AT command speed | ||||
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 | 12000) | ||||
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■19 = V.32bis 14400 (or V.110,
14400)
■20 = M V.34 - 2400
For N1 command:
■0 to 254 = Connect at the highest possible speed regardless of the DTE speed.
■255 = Connect at the highest possible speed up to the last AT command speed.