What is the difference between MDR and SDR camera link?

What is the difference between MDR and SDR camera link?

The difference between ​MDR (Micro-D Ribbon)​​ and ​SDR (Standard Density Ribbon)​​ in CameraLink cables primarily lies in their ​connector types, pin configurations, and usage scenarios. Here’s a detailed breakdown:


​1. MDR (Micro-D Ribbon) Connector​

​Full Name:​​ Micro-D Ribbon (MDR-26).

Pins:​​ ​26-pin​ (standard for CameraLink).

Design:​​

Compact, high-density connector.

Uses a ​ribbon cable​ with shielded twisted pairs (STP).

Usage:​​

Most common connector for ​standard CameraLink​ (Base/Medium/Full configurations).

Found in industrial cameras (e.g., Basler, FLIR) and frame grabbers.

​Pros:​​

✅ Robust shielding for EMI resistance.

✅ Secure locking mechanism (screws or latches).

Cons:​​

❌ Bulkier than SDR in some cases.


​2. SDR (Standard Density Ribbon) Connector​

Full Name:​​ Standard Density Ribbon (SDR-26).

​Pins:​​ ​26-pin​ (same as MDR, but different physical layout).

​Design:​​

Uses a ​flatter, more flexible ribbon cable.

Less dense than MDR, but still shielded.

Usage:​​

Older CameraLink systems or specific OEM applications.

Less common today (largely replaced by MDR or HD-26).

​Pros:​​

✅ More flexible cable for tight spaces.

Cons:​​

❌ Less robust against EMI compared to MDR.

❌ Rare in modern systems.


​Key Differences Summary​
​Feature​ ​MDR-26 (Micro-D Ribbon)​​ ​SDR-26 (Standard Density Ribbon)​​
​Pin Count​ 26-pin 26-pin
​Density​ High-density (compact) Standard density (flatter cable)
​Shielding​ Excellent (STP design) Good, but less robust than MDR
​Common Use​ Industrial cameras, frame grabbers Older/OEM systems
​Locking​ Screws/latches for secure fit Less secure
​Flexibility​ Stiffer due to shielding More flexible

​Which One Should You Use?​​

​For modern CameraLink systems:​​ ​MDR-26​ is the default choice (better shielding and reliability).

Legacy systems:​​ SDR-26 might appear in older setups, but replacements are often MDR.

HD-26 Alternative:​​ Some newer systems use ​HD-26​ (even higher density than MDR).


​Practical Notes​

MDR-26 Camera link cable is backward-compatible​ with SDR-26 in terms of pinout, but the physical connectors differ.

Always check your camera/frame grabber specs—most industrial cameras today use MDR.

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Post time: Jun-10-2025
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