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Light-grey 6ft cable with DB25 male and USB-A ends

BUCIER

BUCIER USB to RS232 DB25 Male Cable 6ft

SKU CH-WSJB-DVH23

Connects USB ports to RS-232 serial devices using a DB25 male connector with FTDI chipset and software handshaking

  • Connection typeLighting Connector to USB A
  • Connect Fanuc CNC equipment via USB
  • Industry-standard FTDI chipset ensures reliable data transfer
  • Powered directly from the USB port
  • 6 ft cable links USB to DB25 male serial devices
  • Compatible with C-232R and US-232R models

Industrial CNC Serial Link

This six-foot cable connects a USB port to a DB25 male connector for RS232 communication with Fanuc CNC controls, PLCs, plotters, modems and scanners. It uses an industry-standard FTDI chipset and draws power directly from the USB port, requiring no external adapter. The DB25 end includes locking screws for a secure industrial connection. Software handshaking relies on TXD, RXD and GND signals only.

Universal USB Host Compatibility

The adapter works with USB 1.1 and 2.0 host and hub ports without extra drivers beyond the standard FTDI set. Power consumption is minimal because the cable is bus-powered, and the plastic USB housing carries data-traffic indicators. No fan or active cooling is involved, so acoustic output is zero during normal data transfer.

Sustained Industrial Data Transfer

Under continuous CNC programming or long plotter jobs the FTDI chipset maintains stable serial throughput using the three-wire TXD, RXD and GND implementation. The locking-screw DB25 connector resists vibration-induced disconnects during extended runs. The cable is not suitable for parallel IEEE-1284 devices despite the identical DB25 form factor.

How it compares

Measured against everything we stock in USB Cords & Extension Cables, at today’s prices. Recalculated every night.

Price $41.99
Pricier than about 90% of the 15,227 comparable items (median $14.99).

Specifications

Ports & slots
Connection typeLighting Connector to USB A

Questions about this item

How do I install the BUCIER USB to RS232 DB25 cable on a modern PC and what driver step is often missed?

Plug the USB-A end into a USB 1.1 or 2.0 port; Windows will detect the FTDI chip but you must run the FTDI VCP driver installer before the virtual COM port appears in Device Manager.

What maintenance or replacement should I expect for this cable over time?

The locking screws on the DB25 connector can loosen with vibration — re-tighten them periodically; the USB-A plug and cable jacket are not field-serviceable, so replace the whole cable if the moulded strain relief cracks.

What is the first limit I will hit when transferring large CNC programs continuously?

The cable uses only TXD, RXD and GND with software handshaking, so sustained throughput is limited by the host USB 1.1 or 2.0 bulk-endpoint latency and the lack of hardware flow-control pins.

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