RS232 DB9 公头-公头串行电缆

RS232 DB9 male-male serial cable designed for connecting legacy RS232 devices, industrial controllers, network equipment and CNC machines. It features straight-through 9-pin wiring, molded DB9 male connectors, and shielded PVC jacket for reliable serial communication. Suitable for switch/router console access, PLC programming, CNC machine data transmission, POS systems and industrial debugging. Available in 1m, 1.5m, 3m and custom lengths.

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分类： 工业控制信号电缆

描述

This RS232 DB9 male-male serial cable is a standard communication cord for connecting RS232-enabled devices in industrial, networking and legacy equipment environments. It is commonly used to establish serial connections between computers, USB-to-serial adapters, network switches, routers, PLCs, CNC machines, industrial controllers, POS terminals, serial printers and other legacy RS232 peripherals.

The cable uses DB9 9-pin male connectors on both ends with straight-through wiring configuration, making it suitable for most general-purpose serial communication applications that require direct pin-to-pin connection. The molded connector housing provides strain relief and durability for frequent plugging, while the metal shielded shell helps reduce electromagnetic interference in industrial and cabinet environments.

Constructed with tinned copper conductors and shielded PVC jacket, this DB9 serial cable offers stable signal transmission and good resistance to EMI/RFI interference. It supports standard RS232 communication parameters including baud rates up to 115200bps, with compatibility for both low-speed configuration and general serial data transfer.

It is widely used for network device console access, industrial equipment debugging, PLC programming, CNC machine tool data exchange, POS terminal connection, serial printer communication and laboratory test system wiring. The cable is plug-and-play with standard RS232 ports and does not require additional drivers when used with a compatible serial port or USB-to-RS232 adapter.

Standard lengths of 1m, 1.5m and 3m are available from stock. Custom cable length, wire gauge, jacket color, connector type and private-label packaging are supported for bulk OEM orders.

DB9 male to DB9 male RS232 serial connection
Straight-through 9-pin wiring for general-purpose serial applications
Molded strain relief connectors for frequent plugging
Shielded PVC jacket for reduced EMI/RFI interference
Tinned copper conductors for stable signal transmission
Compatible with switch, router, PLC, CNC, POS, serial printer and industrial controller
Available in 1m, 1.5m, 3m and custom lengths
OEM custom length, logo and packaging supported for bulk orders

技术规格

项目	规格
界面	DB9 Male to DB9 Male
布线类型	Straight Through
指挥家	Tinned Copper
Jacket	Black PVC
屏蔽	Metal Shielded Connector Shell
Supported Baud Rate	Up to 115200bps
标准长度	1米、1.5米、3米
应用	Switch/router console access, PLC programming, CNC machine, POS terminal, serial printer, industrial controller
Compatibility	RS232 standard devices, USB-to-RS232 adapters, industrial computers
定制服务	Custom length, jacket color, wire gauge, logo printing, private packaging, OEM bulk orders

常见问题解答

Q: What is an RS232 DB9 male-male serial cable used for?

A: It is used to connect RS232-enabled devices such as switches, routers, PLCs, CNC machines, industrial controllers, POS terminals and serial printers.

问：这是一根直通线还是空模线？

A: This is a straight-through DB9 male-male serial cable, suitable for most general RS232 communication applications.

Q: What is the maximum baud rate supported?

A: It supports standard RS232 baud rates up to 115200bps, which covers most configuration, debugging and data transmission scenarios.

Q: Can it be used for switch console access?

A: Yes, when used with a USB-to-RS232 adapter or a computer with a native DB9 port, it can be used for switch and router console access.

Q: Does this cable support CNC machine communication?

A: Yes, it is commonly used for CNC machine data transmission, parameter backup and equipment debugging.

Q: Are custom lengths available?

A: Yes, we support custom cable lengths, jacket colors, wire gauges and private-label packaging for bulk orders.