在电信网络中，通信链路是指一个连接两个或两个以上设备的传输介质中的信道，作用是用来数据传输。有时传输介质中含有多条信道。而传输介质则会被称为物理链路[1][2][a]。
备注
- ↑ Sometimes the communications facilities that provide the communications channel that constitutes a link are also included in the definition of link.
参考文献
- ↑ 作者：王剑伟， 李桂芳. 计算机网络应用基础. 清华大学出版社.
- ↑ ATIS committee PRQC. network topology. ATIS Telecom Glossary 2007. Alliance for Telecommunications Industry Solutions. [2008-10-10].