🧠🖨️ DB25 • CN36 Adapter

These adapters convert between DB25 and Centronics 36-pin (CN36) interfaces, enabling parallel data transmission between computers, print servers, and legacy printers. They’re compact, molded, and often shielded—ideal for modular setups and gender correction in parallel workflows.
 
🔧 Adapter Variants & Use Cases
🔌 DB25 Male → CN36 Male
Use Case: Direct plug from DB25 output to CN36 printer input
Devices: PC → parallel printer, or print server → industrial label printer
Ideal for tight spaces or replacing bulky cables
🔌 DB25 Male → CN36 Female
Use Case: Connect DB25 host to CN36 cable
Devices: PC → Centronics extension cable → printer
Useful in modular AV or office setups
🔌 DB25 Female → CN36 Male
Use Case: Connect DB25 cable to CN36-equipped printer
Devices: Parallel breakout box → legacy printer
Common in embedded systems and test benches
 
🖥️ Compatible Devices
💻 PCs and legacy laptops with DB25 parallel ports
🖨️ Printers with CN36 Centronics input (HP, Epson, Lexmark, Canon)
📦 Label printers and industrial print modules
🧠 Print servers and parallel-to-USB converters
🛠️ Embedded controllers and automation gear
 
✅ Common Uses
🧠 Connect DB25-equipped host to CN36 printer
🛠️ Adapt gender mismatches in parallel setups
🔁 Replace full cables with compact adapter modules
📡 Enable bidirectional communication in IEEE-1284 environments
🧪 Test printer ports using modular adapter configurations
 
🧠 Signal Format Notes
⚙️ DB25: 25-pin D-sub parallel interface
⚙️ CN36: 36-pin Centronics-style connector
📡 IEEE-1284 standard supports bidirectional parallel communication
📉 No signal conversion—adapter is physical interface only
🔊 No audio—used strictly for data and control signals
 
⚠️ Things to Watch Out For
🚫 Not compatible with DB25 serial ports—parallel only
🔌 CN36 ≠ Mini CN36—check connector size and pin layout
🧯 Some printers require full IEEE-1284 compliance for status reporting
📉 Adapter does not extend cable length—used for port conversion only
🧪 Always verify printer and host port types before connecting
 
🛠️ Quick Tips for Beginners
🧠 Identify DB25 by its trapezoidal 25-pin layout; CN36 by its wide rectangular 36-pin shell
🔍 Use shielded adapters to reduce EMI/RFI interference
🧲 Choose molded builds with strain relief for durability
🧼 Clean contacts gently—dust can cause print errors or signal loss
🏷️ Label both ends clearly—especially in shared office or lab setups