DB9 Male to Female Serial Extension Cable with 9-Pin RS232 Connector for PC Modem CNC Device Communication Port
Product Description
Technical Specifications
| Parameter | Description |
| Product Type | DB9 Male to Female Serial Extension Cable |
| Connector A | DB9 Male (9-pin D-sub) |
| Connector B | DB9 Female (9-pin D-sub) |
| Pin Configuration | 1:1 Straight-through Wiring |
| Cable Length | 3FT/4FT/Custom Available |
| Jacket Material | PVC |
| Conductor Material | Tinned Copper |
| Shielding | Aluminum Foil + Braid Shielded |
| Operating Voltage | ≤ 30V DC |
| Temperature Range | -20°C ~ +60°C |
| Color | Black / Beige / Custom |
Product Introduction
This DB9 Male to Female Serial Extension Cable is designed for extending RS232 serial connections between compatible devices. It is widely used for industrial communication systems, CNC controllers, legacy PC ports, and serial modems. The cable features a durable build with full 9-pin straight-through wiring and molded connectors for long-lasting performance.
Key Specs
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Standard 9-Pin RS232 Connection – Ensures stable data transmission
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Full-Wired Configuration – Supports all signal lines for full handshake
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Shielded Construction – Reduces EMI for cleaner communication
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Flexible Jacket – Suitable for desktop or embedded installations
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Secure Thumb Screws – Lock the connection for vibration resistance
Color & Size Options
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Color Options: Black / Beige / OEM Custom
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Cable Lengths: 1m / 1.5m / 3m / 5m / Others on request
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Connector Housing: Molded ABS with thumb screws
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Packaging: PE bag / Ziplock / Retail box (customizable)
Product Features
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Extends DB9 serial port distance for flexible installation
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Compatible with PC serial ports, modems, barcode scanners
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Molded connectors for durability and strain relief
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Compatible with legacy RS232 signal standard
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Ready for industrial, office, or home use
Compatible Devices
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CNC Machine Interfaces
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Serial Modems / Switches
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POS Systems / Barcode Scanners
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Legacy PC or Industrial Controllers
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RS232 Debug Consoles or Flash Tools
Ensure your device uses standard RS232 signal levels and DB9 port.
Safety Information
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For low-voltage signal applications only (RS232 standard)
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Do not bend sharply or expose to high temperatures
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Avoid contact with moisture or corrosive materials
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Secure connectors using thumbscrews before use
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Not suitable for USB or VGA ports
FAQ
Frequently Asked Questions (FAQ)
Q1. Are you factory or trade company?
A: We are factory of more than 16 years export experience.
Q2. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery.
Q3. What is your terms of delivery?
A: EXW, FOB, CFR, CIF, DDU.
Q4. Samples ?
A: 2-5 pieces free samples are available, freight on you. Delivery time usually is 2-3 days. Customized samples will take 5-10 days.
Q5. What is delivery time if we place an order?
A: It depends order quantities. Usually, we can deliver goods within 10-15 working days, for more QTY order, let's confirm when you place official order.
Q6. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery.
Q7. How to ship out the cargo?
A: At your request, by sea, by express, all are available.
