For example, a program that tries to open "com1" or even "com1.txt" in any directory will get stuck trying to talk to a serial connector.

例如，如果一个程序在任何目录中试图去打开“com1”或者甚至“com 1 . txt”，将被系统误解为是尝试和串口通信。

youdao

It boots from the microSD card with no flash memory and hosts new interfaces, including a DB-9 serial connector, integrated 4-port Universal serial Bus (USB) hub, and integrated Ethernet port.

它没有闪存从microsd卡引导，但是有很多新接口，包括一个DB - 9系列的连接器、集成4个端口的Universal Serial Bus (usb)总线、以及集成的Ethernet端口。

youdao

Firstly, you have to find a serial port connector. Either DB-9 or DB-25 are fine.

首先，要找一个串列埠的连接头，无论是DB-9的还是DB-25的都可以。

youdao

Currently, it only syncs via a serial connector.

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Sharp Corp. too included a DVI connector on a new 18 inch screen and also built a USB (universal serial bus) hub into new 18- and 20 inch monitors with the idea of increasing convenience of users.

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An Epson ink-jet printer's connector fit, but 3Com's marketers don't mention that Bluetooth behaves like a serial port rather than a parallel one, making installation difficult and keeping many printers from reporting things like the status of ink cartridges or paper jams.

FORBES: Magazine Article