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| Appendix B |
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Frequencies | 1650Hz Mark, 1850Hz Space for Transmit | |
| Originate; 1650Hz Mark, 1850Hz Space for | |
| Transmit Answer; V.27ter 1800Hz Originate/ | |
| Answer; V.29 QAM 1700Hz Originate/Answer; | |
| V.17 TCM 1800Hz Originate/Answer | |
Carrier Frequencies | 1800 Hz V.32/V.32bis/V.32terbo/V.34/Enhanced | |
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| 19.2K/16.8K/14.4K/12K/9.6K/7.2K/4.8K | |
Carrier Frequencies | Transmit Originate: 1200 Hz | |
2400 & 1200 bps | Transmit Answer: | 2400 Hz |
(V.22bis/V.22 or | Receive Originate: | 2400 Hz |
Bell 212A Standard) | Receive Answer: 1200 Hz | |
Carrier Frequencies, | 1270 Hz Mark, 1070 Hz Space for Transmit | |
300 bps | Originate; 2225 Hz Mark, 2025 Hz Space for | |
(Bell Standard) | Receive Originate; 2225 Hz Mark, 2025 Hz | |
| Space for Transmit Answer; 1270 Hz Mark, | |
| 1070 Hz Space for Receive Answer | |
Carrier Frequencies | 980 Hz Mark, 1180 Hz Space for Transmit | |
V.21 | Originate; 1650 Hz Mark, 1850 Hz Space for | |
| Transmit Answer; 1650 Hz Mark, 1850 Hz | |
| Space for Receive Originate; 980 Hz Mark, 1180 | |
| Hz Space for Receive Answer | |
V.23 | 390 Hz Mark, 450 Hz Space for Transmit | |
| Originate; 1300 Hz Mark, 2100 Hz Space for | |
| Transmit Answer; 1300 Hz Mark, 2100 Hz | |
| Space for Receive Originate; 390 Hz Mark, 450 | |
| Hz Space for Receive Answer | |
Transmit Level | ||
| level selectable with | |
| setting |
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