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
Standard 9-Pin RS232 Connection – Ensures stable data transmission
Full-Wired Configuration – Supports all signal lines for full handshake
Shielded Construction – Reduces EMI for cleaner communication
Flexible Jacket – Suitable for desktop or embedded installations
Secure Thumb Screws – Lock the connection for vibration resistance
Color & Size Options
Color Options: Black / Beige / OEM Custom
Cable Lengths: 1m / 1.5m / 3m / 5m / Others on request
Connector Housing: Molded ABS with thumb screws
Packaging: PE bag / Ziplock / Retail box (customizable)
Product Features
Extends DB9 serial port distance for flexible installation
Compatible with PC serial ports, modems, barcode scanners
Molded connectors for durability and strain relief
Compatible with legacy RS232 signal standard
Ready for industrial, office, or home use
Compatible Devices
CNC Machine Interfaces
Serial Modems / Switches
POS Systems / Barcode Scanners
Legacy PC or Industrial Controllers
RS232 Debug Consoles or Flash Tools
Ensure your device uses standard RS232 signal levels and DB9 port.
Safety Information
For low-voltage signal applications only (RS232 standard)
Do not bend sharply or expose to high temperatures
Avoid contact with moisture or corrosive materials
Secure connectors using thumbscrews before use
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.
