Telecom-history
来自Jack's Lab
(版本间的差异)
(以“=简介= =local loop= ==模拟电话== ==Modem== ==ISDN== =trunk= ==FDM== ==PCM/T1== ... ==OFDMA== =电话交换= ==人工== ==电磁交换== [https://ww...”为内容创建页面) |
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=网络= | =网络= | ||
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+ | ==参考资料== | ||
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+ | [https://www.nexmo.com/blog/2017/04/18/a-history-of-telecommunications-how-telecoms-became-just-another-interface/ history of telecommunication ] |
2018年9月13日 (四) 09:12的版本
目录 |
1 简介
2 local loop
2.1 模拟电话
2.2 Modem
2.3 ISDN
3 trunk
3.1 FDM
3.2 PCM/T1
...
3.3 OFDMA
4 电话交换
4.1 人工
4.2 电磁交换
CT380:Strowger Step-by-step Demonstration
AT&T Archives: The Step-By-Step Switch