本文讨论了25针零调制解调器电缆。

This article discusses the 25-pin null modem cabling.

youdao

使用零调制解调器连接时，发送线和接收线要交叉连接。

With a null modem connection, the transmit and receive lines are cross-linked.

youdao

为了设置调试环境，拥有正确的零调制解调器电缆是非常重要的。

It is very important that you have the correct null modem cable with you to set up the debugging environment.

youdao