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Product Features
Technical Overview
Engineered for serial data transfer, the AT925FM adapter features a DB-9 Serial female connector on one end and a DB-25 Serial male connector on the other. The 9-pin DB9 side interfaces with modern or compact serial devices, while the 25-pin DB25 side connects to legacy peripherals, servers, or industrial controllers that utilize the larger port standard.
The adapter operates passively, relying on direct pin-to-pin mapping to transmit serial signals without signal degradation. Its construction ensures compatibility with RS-232 and similar serial protocols, making it suitable for applications ranging from console access and modem connections to specialized hardware interfacing.
Relevant factors for this section include Adapter Type, Connector Type on First End, Connector on First End Details, Color Family. When those points are considered together, they give buyers a clearer picture of how the product is equipped, how it fits into deployment, and what kind of day-to-day role it is meant to support.
Key Product Advantages
This adapter delivers reliable connectivity by ensuring precise electrical continuity between DB9 and DB25 interfaces, minimizing data errors in serial communication. Its high-quality build reduces the risk of connection failures, which is crucial in operational environments where stability is paramount.
Durability and Compliance
The adapter meets EU RoHS, REACH, and WEEE environmental standards, reflecting a commitment to safety and sustainability. Its robust housing withstands frequent use, backed by a lifetime warranty for long-term peace of mind.
Compact and Lightweight
With dimensions of 2.40" x 2.20" x 0.60" and a weight of 1.45 oz, the adapter is highly portable and easy to install in tight spaces, such as server racks or behind equipment, without adding bulk.
Deployment / Use Cases
The AT925FM adapter is ideal for IT professionals, network administrators, and industrial technicians who need to connect legacy DB25 equipment to modern systems with DB9 ports. It serves as a cost-effective solution for extending the lifespan of older hardware without requiring expensive upgrades or complex rewiring.
Common applications include linking serial printers, CNC machines, or scientific instruments to contemporary computers, facilitating console management for networking devices like routers and switches, and integrating point-of-sale terminals with backend systems. Its plug-and-play functionality makes it suitable for both permanent installations and temporary setups in field service or lab environments.
Industrial and Networking
Use this adapter to connect industrial controllers or networking gear with DB25 ports to laptops or diagnostic tools featuring DB9 serial interfaces, enabling configuration and monitoring.
Legacy System Integration
Bridge older peripherals, such as serial modems or terminals, to newer computers, preserving functionality in mixed-vintage IT ecosystems without compromising reliability.
Physical Profile
The adapter features a beige plastic housing that blends discreetly with standard office or industrial equipment. Its compact form factor, measuring 2.40" in length, 2.20" in width, and 0.60" in height, allows for easy installation in crowded cable management areas, such as server racks or behind desks. The lightweight design at 1.45 oz ensures minimal strain on ports, supporting secure connections without sagging or dislodgement.
- Width
- 2.20" (55.88 mm)
- Height
- 0.60" (15.24 mm)
- Weight
- 1.45 oz (41 g)
- Length
- 2.40" (60.96 mm)
Highlights
- Converts DB9 female to DB25 male for serial connectivity
- Beige color blends with standard equipment
- Compact dimensions: 2.40" L x 2.20" W x 0.60" H
- Lightweight at 1.45 oz for easy portability
- Plug-and-play operation, no drivers required
- Compliant with EU RoHS, REACH, and WEEE standards
- Lifetime warranty for long-term reliability
- Ideal for legacy system integration and industrial use
Specifications
| Specifications | |
|---|---|
| Manufacturer | StarTech.com |
| Manufacturer Part Number | AT925FM |
| Brand Name | StarTech.com |
| Product Name | DB9 to DB25 Serial Cable Adapter - F/M |
| Packaged Quantity | 1 Each |
| Product Type | Data Transfer Adapter |
| Technical Information | |
| Adapter Type | Serial |
| Connector Type on First End | DB-9 Serial - Female |
| Connector on First End Details | 1 x 9-pin DB-9 Serial Female |
| Connector Type on Second End | DB-25 Serial - Male |
| Connector on Second End Details | 1 x 25-pin DB-25 Serial Male |
| Physical Characteristics | |
| Color Family | Beige |
| Product Color | Beige |
| Height | 0.60" (15.24 mm) |
| Width | 2.20" (55.88 mm) |
| Length | 2.40" (60.96 mm) |
| Weight (Approximate) | 1.45 oz (41 g) |
| Miscellaneous | |
| Country of Origin | China |
| Environmentally Friendly | Yes |
| Environmental Certification | EU RoHS |
| Environmental Compliance | Restriction of Hazardous Substances (RoHS) 2,Registration, Evaluation, Authorization and Restriction of Chemicals (REACH),Waste Electrical and Electronic Equipment Directive (WEEE) |
| Warranty | |
| Limited Warranty | Lifetime |
User Manual
FAQ
What does this adapter convert?
This adapter converts a DB9 female port to a DB25 male port. It allows you to connect devices with a DB9 female interface to equipment requiring a DB25 male connection, facilitating serial communication between mismatched legacy and modern systems.
Is this adapter plug-and-play?
Yes, the adapter is plug-and-play and does not require any external power, drivers, or software installation. Simply connect it between the DB9 and DB25 ports to establish a serial link, making it easy to deploy in various IT and industrial environments.
What are the dimensions and weight of the adapter?
The adapter measures 2.40 inches in length, 2.20 inches in width, and 0.60 inches in height (60.96 mm x 55.88 mm x 15.24 mm), with an approximate weight of 1.45 ounces (41 grams). Its compact and lightweight design ensures easy installation in tight spaces without adding bulk.
Does this adapter support environmental standards?
Yes, the adapter is environmentally friendly and complies with EU RoHS, REACH, and WEEE standards. These certifications ensure it meets restrictions on hazardous substances and supports responsible recycling, aligning with modern sustainability practices in IT hardware.
What warranty is included with this adapter?
The adapter comes with a lifetime limited warranty from StarTech.com. This warranty covers defects in materials and workmanship for the product's lifespan, providing long-term assurance and reliability for users in professional or industrial settings.
What are typical use cases for this DB9 to DB25 adapter?
Common use cases include connecting legacy serial printers, CNC machines, or industrial controllers with DB25 ports to modern computers with DB9 interfaces. It is also used for console access to networking devices, integrating point-of-sale systems, and facilitating data transfer in lab or field service scenarios where serial connectivity is essential.