DB9 RS232 Serial Cable M/F StarTech.com MXT1003MBK

The StarTech.com DB9 RS232 Serial Cable M/F MXT1003MBK is a 3 m black straight-through extension cable with a DB9 male connector on one end and a DB9 female connector on the other. It is intended to extend the connection between RS232 serial devices, allowing peripheral devices with DB-9 ports to be positioned further apart while maintaining a direct serial link. The cable is constructed for durability and comes with the manufacturer's Lifetime Warranty.

Advantages

This 3 m DB9 extension reduces cable length limitations and provides flexibility in device placement. The straight-through wiring preserves standard RS232 pin assignments for compatibility with serial equipment. High-quality shielding helps reduce EMI interference, and the lightweight construction supports easy installation and routing.

Suitable for

• Extending RS232 serial connections between computers, modems, industrial controllers, and legacy devices
• Point-of-sale systems and kiosk peripherals with DB9 ports
• Lab and test setups requiring temporary relocation of serial devices

Key specifications

• Length: 3 m
• Connector A: DB9 male
• Connector B: DB9 female
• Wiring: Straight-through (RS232)
• Color: Black
• Weight (approx.): 147 g
• Brand: StarTech.com
• MPN: MXT1003MBK
• EAN: 065030849012

How to use

Connect the DB9 male end to the DB-9 female port on the host device and the DB9 female end to the DB-9 male port on the peripheral device. Ensure both devices are powered off when making connections if recommended by the equipment manufacturer. Route the cable to avoid sharp bends and sources of strong electromagnetic interference for reliable communication.

Usage recommendations

For best results, use this cable in environments where RS232-compatible devices are present and avoid co-routing alongside high-voltage power lines. If communication errors occur, verify pinouts and grounding, and confirm devices support straight-through DB9 connections.