9-pin DB9 (DE-9) Female to Female Socket Null Modem Adapter
9-pin DB9 (DE-9) Female to Female Socket Null Modem Adapter
9 Pin DB9 Female to Female Socket Null Modem D9 adapter with Hex lock nuts.
A cost-effective way to convert a straight-through cable into a null modem cable.
The null modem adapter is frequently called a crossover adapter. It is used to allow two serial Data Terminal Equipment (DTE) devices to communicate with each other without using a modem or a Data Communications Equipment (DCE) device in between.
🧠 Did You Know? Although often called DB9, the correct technical term is DE-9, where "E" refers to the shell size of the 9-pin version. "DB" refers to the 25-pin version (DB-25). The DE-9 is also called a DB9 connector, 9-pin serial connector, RS-232 interface, or COM port connector.
Easy to use and install.
Converts a straight-through serial cable into a null modem cable.
Connectors: 2x Female 9 Pin DB9 D9 socket receptacle connector with HEX lock nuts.
Learn More About the Technologies and Standards:
• RS-232 Standard Overview: https://en.wikipedia.org/wiki/RS-232
• Null Modem Communication: https://en.wikipedia.org/wiki/Null_modem
• DB9 Connector Pinout Details: https://en.wikipedia.org/wiki/DE-9_connector
Technical Specifications:
Sold as: Each.
Condition: New.
Pin layout: 5–4.
Packaging: Bulk.
Number of Pins: 9 Pin.
Pin Configuration: 9 Pins.
Connector Type: D-sub DE-9.
Dimensions: Standard DE-9 size.
Connector Gender: Female to Female.
Material: Corrosion-resistant metal alloy.
Durability: Rated for 1,000 mating cycles.
Product Category: Serial Cables & Adapters.
Configuration: Null modem (crossed TX/RX).
Operating Temperature Range: -20°C to 80°C.
Adapter Marking: NULL MODEM MINI ADAPTER.
Product Code: DB9F-F-NULLMODEM-ADAPTER-NZ.
Connector Mounting Screws: UNC #4-40 Hex Screw.
Product Type: Female-to-Female 9 Pin Null Modem Adapter.
Connector A: 1x Female 9 Pin 2 Row Socket.
Connector B: 1x Female 9 Pin 2 Row Socket.
Package includes: 1x DB9 Null Modem Adaptor with 9 Pin D9 Female to Female Socket connectors.
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14-day 'change of mind' return in unused condition for a refund less shipping fees.
2-year return to base refund or replace guarantee.
FAQ (Frequently Asked Questions and Answers):
Q. What is a DB9 null modem adapter used for? It's used to directly connect two computers or devices with RS232 serial ports without using a modem.
Q. Does this adapter require software or drivers? No, it's a hardware-only solution and works out of the box with standard RS232 communication.
Q. Is this null modem adapter bidirectional? Yes, it allows two-way serial communication between two DTE devices.
Q. Does it support all RS232 pins? It supports the standard null modem pinout required for basic data transfer.
