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Six-foot black USB-A to RJ45 console cable with FTDI chip

BUCIER

BUCIER USB to RJ45 Console Cable FTDI 6ft

SKU CH-K4FZ-GZGEX

Connects a laptop USB port to Cisco, Juniper, HP and other network-device console ports for configuration

  • Connector TypeLighting Connector to USB A

Cable Length 10 Feet

  • Debug and configure network gear with 6 ft reach
  • Replace legacy COM ports via USB 2.0 on Windows, Mac, Linux
  • FTDI chip ensures reliable RS-232 serial console access
  • Broad compatibility with Cisco, Juniper, HP, Arista and more
  • Pinout matches RJ-45 console DTE standard at 500 kbaud max

Network Console Cable for Engineers

This six-foot USB-to-RJ45 console cable connects a laptop or PC directly to the management port of routers, switches and firewalls. It uses an FTDI chip to replace legacy DB-9 or DB-25 serial ports without extra adapters. The cable is built for network engineers who configure Cisco, Juniper, Huawei, HP, Arista, Aruba, Ubiquiti, TP-Link, NETGEAR, Linksys or 3Com gear. It is not an Ethernet cable and carries no network traffic.

Replaces Legacy RS-232 Ports

The cable substitutes a computer's missing COM port by plugging into any USB 2.0 socket and speaking RS-232 signalling at up to 500 kbaud. The jump is worth it when the target device only offers an RJ45 console interface and the workstation lacks a native serial port. It supports 32-bit and 64-bit editions of Windows, macOS and Linux but does not work with Chrome OS. Buyers who need Chrome OS support or longer reach than six feet cannot use this cable.

USB 2.0 and RS-232 Speed Limits

The link runs over USB 2.0, which is backward compatible with USB 1.1, so bandwidth is capped by the older standard. The RS-232 side is limited to a maximum of 500 kbaud, so very high-speed serial appliances may not reach their full rate. Pin-out follows the Cisco DTE arrangement with dual ground pins on the RJ45 connector. Devices that require a different pin-out or higher baud rates will not operate correctly with this cable.

Highlights

  • Debug and configure network gear with 6 ft reach
  • Replace legacy COM ports via USB 2.0 on Windows, Mac, Linux
  • FTDI chip ensures reliable RS-232 serial console access
  • Broad compatibility with Cisco, Juniper, HP, Arista and more
  • Pinout matches RJ-45 console DTE standard at 500 kbaud max

Specifications

Connector TypeLighting Connector to USB A

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Questions about this item

What console-port pinout does the 6 ft RJ45 end use?

The RJ45 connector follows the Cisco console pinout: 1-CTS, 2-DSR, 3-RXD, 4-GND, 5-GND, 6-TXD, 7-DTR, 8-RTS.

Which driver must be installed before the cable appears as a COM port?

Install the FTDI virtual COM-port driver for your OS (Windows, macOS, or Linux); the cable will not enumerate until that driver loads.

What component sets the maximum baud rate and may need replacement if speeds above 500 kbaud are required?

The FTDI chip limits the RS232 link to 500 kbaud; a different USB-to-serial adapter with a higher-rate controller would be needed for faster speeds.

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