家庭宽带都是半双工模式的嘛？ - V2EX

家庭宽带都是半双工模式的嘛？ - V2EX

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这是一个创建于 689 天前的主题，其中的信息可能已经有所发展或是发生改变。

7 条回复 2023-11-30 11:00:26 +08:00

1

lcy630409

2023-11-29 14:22:58 +08:00

光纤的话是的，只有一根纤

2

kingsoT

2023-11-29 14:29:56 +08:00

@lcy630409 一根纤不能证明就是半双工吧，上下行的波长不一样的。

3

yyzh

2023-11-29 14:43:26 +08:00

1

@lcy630409 这里有详细介绍
http://www.ictbaike.com/2021/08/14/深度解析：pon 网络架构及数据传输方式/

4

yyzh

2023-11-29 14:44:09 +08:00

@yyzh http://www.ictbaike.com/2021/08/14/%E6%B7%B1%E5%BA%A6%E8%A7%A3%E6%9E%90%EF%BC%9Apon%E7%BD%91%E7%BB%9C%E6%9E%B6%E6%9E%84%E5%8F%8A%E6%95%B0%E6%8D%AE%E4%BC%A0%E8%BE%93%E6%96%B9%E5%BC%8F/

5

nkloveni

2023-11-29 20:11:25 +08:00

FTTH 都是共享带宽，但不是半双工，上下行光波长不一样

6

yanyiming

2023-11-30 10:22:21 +08:00

以太网是.

7

wr410

2023-11-30 11:00:26 +08:00

不叫半双工，GPON 是时分发送，比如有十个用户同时要发数据，每一秒你只能用 0.1 秒来发数据

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