| 1. | 600 1200 - baud modem standardized for use in the general switched telephone network
在电话自动交换网上使用的标准化600 1200波特调制解调器 |
| 2. | 2400 1200 bits per second modem standardized for use in the general switched telephone network
在电话自动交换网上使用的标准化2400 1200比特秒调制解调器 |
| 3. | 300 bits per second duplex modem standardized for use in the general switched telephone network
在电话自动交换网上使用的标准化300比特秒全双工调制解调器 |
| 4. | 1200 bits per second duplex modem standardized for use in the general switched telephone network and on point - to - point 2 - wire leased telephone circuits
在电话自动交换网和点对点二线租用电话型电路上使用的标准化的1200比特秒双工调制解调器 |
| 5. | 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33600 bit s的调制解调器 |
| 6. | Technical requirements for group 3 facsimile apparatus used in public telephone network part 2 : procedures for document facsimile transmission in the general switched telephone network
文件传真三类机在电话网中的互通技术条件第2部分：在公用电话交换网上的文件传真传输规程 |
| 7. | The vt320 - h . 324 multimedia test system is a real - time protocol analyzer designed to aid in the development , installation and support of multimedia products , terminals and systems conforming to the itu - t h . 324 standards for use over the general switched telephone network ( gstn )
标准的多媒体会议产品、终端和系统的开发、安装和支持而设计。信号发生器提供由视频、音频、数据和控制协议信息组成的复合流。 |
