DB9 to 40-Pin Ribbon Cable – 4-Port Serial Adapter
This DB9 to 40-pin ribbon cable assembly connects a compatible 40-pin motherboard or expansion card header to four DB9 male connectors. It provides a convenient solution for bringing internal serial connections to external interfaces in compatible electronic systems.
Dongguan LianyuanKe Electronics Co., Ltd specializes in custom wire harnesses and cable assemblies. We offer OEM/ODM customization, direct factory manufacturing, quality control, and competitive pricing for industrial and electronic applications.
Product Specifications
| Product Name | DB9 to 40-Pin Ribbon Cable – 4-Port Serial Adapter |
| Cable Configuration | 1 x 40-pin connector to 4 x DB9 connectors |
| 40-Pin Connector | 2 x 20 female ribbon cable connector; mating specifications to be confirmed |
| DB9 Connectors | 4 x DB9 male connectors |
| Cable Type | Gray flat ribbon cable |
| Cable Identification | Red edge stripe for pin 1 identification |
| Interface Application | Serial interface breakout for compatible host systems |
| Cable Length | Custom length available upon request |
| Wiring Configuration | To be confirmed according to the host pinout and project requirements |
| Customization | OEM/ODM cable length, wiring, connectors, and assembly configuration |
Key Product Features
Four DB9 Male Connectors
Connects one compatible 40-pin header to four DB9 male interfaces for convenient cable routing and multi-port connectivity.
Flat Ribbon Cable Design
The flat cable construction supports organized routing in compatible computer enclosures, control systems, and electronic equipment.
Pin 1 Identification
The red edge stripe helps identify the pin 1 side of the ribbon cable. Connector orientation and pin assignments should be verified before installation.
Custom Cable Solutions
OEM/ODM options are available for cable length, connector configuration, pin mapping, and other assembly requirements according to the approved specification.
Applications
This cable assembly is suitable for compatible systems that use a 40-pin header to provide multiple external serial connections.
- Industrial computers and embedded computing systems
- Motherboards and serial expansion cards
- POS terminals and compatible commercial equipment
- Industrial automation and control equipment
- Electronic equipment requiring custom multi-port serial connections
Why Choose LianyuanKe?
Direct Factory Pricing
Work directly with the manufacturer to reduce intermediary costs and obtain competitive pricing for custom and volume orders.
OEM/ODM Customization
We support custom cable assemblies based on customer drawings, samples, connector requirements, and confirmed wiring specifications.
Quality Control
Production inspections help maintain assembly consistency and workmanship. Continuity and pin mapping tests can be arranged according to project requirements.
Responsive Service
Our team works with customers to review technical requirements, discuss customization options, and provide quotations for different order quantities.
Need a Custom Cable Assembly?
Contact our factory for custom DB9 to 40-pin ribbon cables, wiring and pinout confirmation, OEM/ODM manufacturing, and competitive quotations tailored to your project.
Email:
sales@lykcable.com
Website:
https://lykcable.com
Dongguan LianyuanKe Electronics Co., Ltd
Direct Manufacturer of Custom Wire Harnesses & Cable Assemblies
Web: https://lykcable.com
Email: sales@lykcable.com
WhatsApp / Mob: +86 137-9875-0852
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