RMM User’s Guide
Register | Default | Function |
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S14 | 0 | Reserved |
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S15 | 0 | |||||
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| instructions for S13. | ||||
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| Bit | Value | Result |
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| 0 | 1 | Disable ARQ/MNP for V.22. | ||
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| 1 | 2 | Disable ARQ/MNP for .22bis. | ||
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| 2 | 4 | Disable ARQ/MNP V.32 / V.32bis | ||
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| / V.32terbo. | |
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| 3 | 8 | Disable MNP handshake. | ||
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| 4 | 16 | Disable MNP level 4. | ||
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| 5 | 32 | Disable MNP level 3. | ||
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| 6 | 64 | MNP incompatibility | ||
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| 7 | 128 | Disable V.42 operation. | ||
S16 | 0 | |||||
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| instructions for S13. | ||||
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| Bit | Value | Result |
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| 0 | — | Reserved. | ||
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| 1 | 2 | Touch tone dialing test. | ||
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| — | Reserved. | |||
S17 | 0 | Reserved. |
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S18 | 0 | Test timer for &Tn loopback testing. Sets the length | ||||
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| of time (in seconds) the modem will wait before | ||||
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| automatically timing out and terminating the test. | ||||
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| When set to 0, the timer is disabled. | ||||
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| Valid range is 1 - 255 | ||||
S19 | 0 | Sets the duration (in minutes) for the Inactivity Timer. | ||||
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| The timer activates when there is no data activity on | ||||
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| the phone line. At time out, the modem hangs up. | ||||
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| S19 = 0 disables the timer. | ||||
S20 | 0 | Reserved. |
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S21 | 10 | Sets the length (in 10 millisecond units) of Breaks | ||||
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| sent from the modem to the computer. Applies to | ||||
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| MNP or V.42 mode only. | ||||
S22 | 17 | Stores the ASCII decimal code for the XON | ||||
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| character. |
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S23 | 19 | Stores the ASCII decimal code for the XOFF | ||||
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| character. |
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S24 | 0 | Reserved. |
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