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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| YD/T 1006-1999 |
A simultaneous voice plus data modem, operating at a voice plus data signalling rates of 4 800bits/s, with optional automatic switching to data-only signalling rates of up to 14 400bit/s, for use on the general switched telephone network and on leased poi 在公用电话交换网上和点对点二线租用电话型电路上同时传送语音和数据的调制解调器 |
China Telecommunication
Standards Modem operating data |
 English PDF |
| YD/T 945-1998 |
Modem operating at data signalling rates of up to 33600 bit/s for use on the general switched telephone network and on leased point-to-point 2-wire telephone-type circuits 公用电话交换网和点对点二线专线电路上使用的数据信号速率高达33600bit/s的调制解调器 |
China Telecommunication
Standards Modem operating data |
English PDF |
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