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| AT Commands |
Command: | Wn | Result Code Options | |
Values: |
| n = 0, 1, or 2 | |
Default: |
| 2 |
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Description: |
| W0 | CONNECT result code reports serial port speed, disables |
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| protocol result codes. |
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| W1 | CONNECT result code reports serial port speed, enables |
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| protocol result codes. |
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| W2 | CONNECT result code reports line speed, enables |
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| protocol result codes. |
Command: | Xn | Result Code Selection | |
Values: |
| n = |
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Default: |
| 4 |
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Description: |
| X0 | Basic result codes (CONNECT); does not look for dial |
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| tone or busy signal. |
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| X1 | Extended result codes (CONNECT 46000 V42bis); does |
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| not look for dial tone or busy signal. |
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| X2 | Extended result codes with NO DIALTONE; does not |
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| look for busy signal. |
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| X3 | Extended result codes with BUSY; does not look for |
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| dial tone. |
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| X4 | Extended result codes with NO DIALTONE and BUSY. |
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| X5 | Extended result codes with NO DIALTONE and BUSY. |
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| X6 | Extended result codes with NO DIALTONE and BUSY. |
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| X7 | Basic result codes with NO DIALTONE and BUSY. |
Command: Zn | Modem Reset | ||
Values: |
| n = 0 or 1 | |
Default: |
| None | Reset modem to profile saved by the last &W command. |
Description: |
| Z0 | |
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| Z1 | Same as Z0. |
Command: | &Cn | Data Carrier Detect (DCD) Control | |
Values: |
| n = 0, 1, 2 | |
Default: |
| 1 |
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Description: |
| &C0 | Forces the DCD circuit to be always ON. |
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| &C1 | DCD goes ON when the remote modem’s carrier signal |
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| is detected, and goes OFF when the carrier signal is |
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| not detected. |
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| &C2 | DCD turns OFF upon disconnect for time set by S18. It |
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| then goes high again (for some PBX phone systems). |