DTECH DB9 RS232 Null Modem Serial Cable Male to Female – Full Handshaking 7-Wire Crossover Cable for PC, PLC, Modem & Industrial Devices (5 ft, Black)
• Full Handshaking RS232 Null Modem Cable – DB9 male-to-female serial cable with 7-wire crossover supporting TX, RX, RTS, CTS, DTR and DSR signals
• Designed for Professional Serial Communication – Ideal for applications requiring full hardware handshaking between RS-232 devices
• Standard DB9 Full Crossover Pinout – Pins 2-3, 4-6, 7-8 crossed with GND connected; suitable for advanced null modem applications
• Secure DB9 Connectors with Thumbscrews – Male and female connectors ensure a stable, vibration-resistant connection
• Shielded & Durable Construction – 30 AWG internal wiring with aluminium foil shielding reduces interference and improves signal reliability
• 5 ft (1.5 m) Length – Compact length ideal for desks, racks, control panels, testing and configuration environments
The DTECH DB9 RS232 Null Modem Serial Cable (Male to Female) is designed for full handshaking serial communication between RS-232 compatible devices. Unlike basic 3-wire null modem cables, this 7-wire crossover cable supports transmit (TX), receive (RX) and hardware flow-control signals, making it suitable for professional and industrial applications that require reliable handshaking.
This cable is commonly used for serial console access, configuration, diagnostics, factory testing and system integration, and is compatible with devices such as PCs, PLCs, modems, barcode scanners, CNC machines, industrial controllers, routers, GPS systems and test equipment.
Built with gold-plated pins, shielded wiring, and secure thumbscrews, the cable delivers stable data transmission and long-term durability in demanding environments. The 5 ft (1.5 metre) length makes it ideal for close-range installations, workbenches and control cabinets.
Technical Specifications (Optional Section)
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Connector Type: DB9 Male to DB9 Female
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Cable Type: RS232 Null Modem (Full Handshaking, 7-Wire)
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Pinout: TX/RX, RTS/CTS, DTR/DSR crossed + GND
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Wire Gauge: 30 AWG
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Shielding: Aluminium foil
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Length: 5 ft (1.5 m)
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Colour: Black
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