Monoprice
Monoprice 100475 6ft DB9 Serial Null Modem Cable
Facilitate Direct Communication Between DevicesThe Monoprice Molded Null Modem Cable enables direct communication between two DTE or DCE devices without data transmission conflicts. Its design ensures proper data transmission by crossing the transmit and receive signals. Specifications: Cab...
$5.99*
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.
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Overview
Facilitate Direct Communication Between Devices
The Monoprice Molded Null Modem Cable enables direct communication between two DTE or DCE devices without data transmission conflicts. Its design ensures proper data transmission by crossing the transmit and receive signals.
Specifications:
- Cable Type: Null Modem Cable
- Connectors: DB9 Male to DB9 Female
- Length: 6 Feet
- Application: Connects two PC serial ports
- Signal Configuration: Transmit and receive signals are crossed
Key Features
Buy with Confidence: With Monoprice's Lifetime Warranty on all Cables, you can rest assured we stand behind our products and our customers.
The transmit and receive signals are crossed to ensure proper data transmission.
Connects two PC serial ports.
Quality at a Fair Price: Monoprice's rugged design and rigid quality control standards deliver high quality products at fair prices.
Service & Support: You're never on your own with Monoprice products! We have a full team of friendly and knowledgeable technicians available to answer your questions, both before and after your purchase.
Specifications
Cable Type
DB9 Serial Null Modem
Cable Length
6ft
Connector Type
DB9
Warranty
Lifetime Warranty (Monoprice)
Pros & Cons
👍 Pros
- Ensures proper data transmission due to its crossed transmit and receive signals.
- Designed to connect two PC serial ports, facilitating direct device-to-device communication.
- Backed by Monoprice's Lifetime Warranty on all cables, providing assurance of product quality.
- Constructed with a rugged design and subject to rigid quality control standards for durability.
- Supported by a full team of friendly and knowledgeable technicians for service and support.
👎 Cons
- Limited to connecting two PC serial ports, making it a specialized cable for specific legacy hardware.
- The 6ft length might be too short for some setups, requiring closer proximity between connected devices.
- DB9 serial connections are less common in modern computing environments, limiting its broad applicability.
- Does not specify data transfer rates or protocols, which might be a consideration for performance-sensitive applications.
- The aesthetic design of the cable is not detailed, which may be a factor for visible installations.
Frequently Asked Questions
What is the primary function of this Monoprice DB9 Null Modem Cable?
This cable is designed to connect two PC serial ports, with its transmit and receive signals crossed to ensure proper data transmission between them.
How long is this null modem cable?
The Monoprice 100475 DB9 Serial Null Modem Cable is 6 feet in length.
Does Monoprice offer a warranty on this cable?
Yes, Monoprice provides a Lifetime Warranty on all its cables, including this one.
What kind of support is available for Monoprice products?
Monoprice offers a full team of friendly and knowledgeable technicians for service and support, both before and after purchase.
Is this cable suitable for connecting modern peripheral devices?
This cable connects DB9 serial ports, which are typically found on older or specialized computing equipment, rather than most modern peripherals.
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