Bn | Communication Standard Setting |
This command allows you to choose between CCITT and Bell standard.
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| B0 |
| Selects CCITT V.22 mode when the modem is at 1200 | |
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| B1 |
| Selects Bell 212A when the modem is at 1200 bits/s | |
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| (default). | ||
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| B2 |
| Unselects V23 reverse channel (same as B3). | |
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| B3 |
| Unselects V23 reverse channel (same as B2). | |
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| B15 |
| Selects V.21 when the modem is at 300 bits/s. | |
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| B16 |
| Selects Bell 103J when the modem is at 300 bits/s | |
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| (default). | ||
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Result Codes: |
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| OK | n = 0, 1, 15, 16 |
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| ERROR | Otherwise |
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Cn | Carrier Control | ||||
The modem will accept the C1 command without error in order to ensure backward compatibility with communications software that issues the C1 command. However, this modem does not support the C0 command. The C0 command may instruct some other modems to not send a carrier, in effect putting them in a
Command | Effect |
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C0 | Transmit carrier always off. |
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C1 | Normal transmit carrier switching. |
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Result Codes:
OK | n = 1 |
ERROR Otherwise
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