ZyXEL Communications COMET 336, Руководство пользователя

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Voice Operation 53
72,000 bps
115.2 kbps
2 (4-bits)
36,000 bps
38.4 kbps
4 (2-bits)
18,000 bps
19.2 kbps
b. 11.025 kHz Sample Rate
Modem Samples per 8-bit Byte
Required Asynchronous DTE Speed
(8N1 Format)
Implied DTE Speed Supported
1 (8-bits)
110,250 bps
115.2 kbps
7.2.4 Tone and Status Monitoring Shielded <DLE> Statuses
The modem can detect specific tones and other status information, and report these to
the DTE while in any of the three voice submodes. The modem simultaneously looks for
1300 and 1100 Hz calling tones when answering, and for CCITT and Bell answer tones
when originating. The modem can also detect dial or busy tones in any of the three voice
submodes. All detected tones, as well as certain other statuses addressed in Table 7-2
such as silence and telset off-hook (i.e., handset off-hook) are reported as shielded
codes.
When in Online Voice Command Mode or Voice Transmit Mode, the codes in Table 7-
2 are sent to the DTE immediately upon verification by the modem of the associated
tone, status, or cadence. In this mode, the 2-character code is not buffered, nor does the