Monoprice
Monoprice 100478 Null Modem DB9 Cable
★★★★★
Facilitate Seamless Serial CommunicationThe Monoprice Molded Null Modem Cable enables direct communication between two DTE or DCE devices by crossing the transmit and receive signals, ensuring proper data transmission. Connector Type: DB9 Female to Female Length: 10 Feet Color: Beige Cab...
$6.38*
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*Price sourced from Amazon.com. Last updated:Jul 15, 2026.Price and availability are subject to change.
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Overview
Facilitate Seamless Serial Communication
The Monoprice Molded Null Modem Cable enables direct communication between two DTE or DCE devices by crossing the transmit and receive signals, ensuring proper data transmission.
- Connector Type: DB9 Female to Female
- Length: 10 Feet
- Color: Beige
- Cable Type: Null Modem (Crossed TX/RX signals)
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
Null Modem DB9
Connectors
DB9
Function
Connects two PC serial ports
Signal Configuration
Transmit and receive signals are crossed
Warranty
Lifetime Warranty on all Cables
Pros & Cons
👍 Pros
- Specifically designed to connect two PC serial ports, enabling direct device communication.
- Features crossed transmit and receive signals, ensuring proper data flow without manual configuration.
- Backed by Monoprice's Lifetime Warranty on all cables, providing long-term assurance for buyers.
- Constructed with rugged design and rigid quality control standards, aiming for high durability and reliable performance.
- Access to a full team of friendly and knowledgeable technicians for support both before and after purchase.
👎 Cons
- The DB9 Null Modem connection is a legacy standard, and its utility is limited with modern computing devices.
- Requires both connected PCs to have compatible DB9 serial ports, which are increasingly rare on new hardware.
- Its function is highly specific to data transmission between two serial ports, not general connectivity.
- May necessitate specific software or drivers on connected systems for successful communication.
- The cable length is not specified, which could be a limitation for certain setup configurations.
Frequently Asked Questions
What is the primary function of the Monoprice 100478 Null Modem DB9 Cable?
This cable is designed to connect two PC serial ports directly.
What is a key characteristic of the signal transmission in this cable?
The transmit and receive signals within the cable are crossed to ensure proper data transmission between connected devices.
What kind of warranty does Monoprice offer for this cable?
Monoprice provides a Lifetime Warranty on all its cables, including this one.
How does Monoprice ensure the quality of this product?
Monoprice utilizes rugged design principles and rigid quality control standards to deliver high quality products.
Can I get help if I have questions about this Monoprice cable?
Yes, Monoprice offers a full team of friendly and knowledgeable technicians available to answer questions both before and after purchase.
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