Telecom-history
来自Jack's Lab
（版本间的差异）
(→电磁交换) |
(→参考资料) |
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| 第36行： | 第36行： | ||
==参考资料== | ==参考资料== | ||
| + | [https://en.wikipedia.org/wiki/Timeline_of_the_telephone Wikipedia Time Line of telophone] | ||
[https://www.nexmo.com/blog/2017/04/18/a-history-of-telecommunications-how-telecoms-became-just-another-interface/ history of telecommunication ] | [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) 09:19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
