DB9 RS232 Serial Null Modem Cable F/M StarTech SCNM9FM1MBK

The StarTech SCNM9FM1MBK is a 1 meter DB9 RS232 serial null modem cable with one DB9 male and one DB9 female connector. It enables direct serial communication between devices with 9‑pin serial ports, or PC‑to‑PC file transfer over an RS232 link. The cable is black, lightweight (approximately 81 g), and intended for reliable serial connections. StarTech.com provides a lifetime warranty for this null modem cable.

Advantages

The cable supports standard DB9 RS232 pinouts for null modem operation, allowing straightforward serial communications without additional adapters. Its 1 m length and durable construction make it suitable for short‑range connections in desktop or industrial environments. The inclusion of one male and one female DB9 connector simplifies compatibility with a range of serial devices and ports.

Suitable for

• Connecting serial devices with DB9 ports
• PC‑to‑PC file transfer over RS232
• Industrial equipment communication and configuration
• Serial console access for networking equipment

Key specifications

• Model: SCNM9FM1MBK
• Connector type: 1 x DB9 male, 1 x DB9 female (null modem wiring)
• Standard: RS232 (DB9)
• Length: 1 m
• Color: Black
• Weight: ~81 g
• Brand: StarTech
• MPN: SCNM9FM1MBK
• EAN: 0065030850513

How to use

Connect the DB9 male end to the male DB9 serial port and the DB9 female end to the device or computer with a female DB9 serial port, or vice versa as required by your hardware. Ensure both devices are powered off when connecting to avoid communication errors. After connecting, power on the devices and configure serial port settings (baud rate, parity, data bits, stop bits, and flow control) in the host software or device interface to match the remote device.

Usage recommendations

For reliable communication, use the cable for short to moderate distances (1 m) and avoid tight bends near the connectors. Verify RS232 settings on both devices and use appropriate null modem wiring expectations for direct PC‑to‑PC transfers. Store the cable coiled loosely when not in use to prolong its life.