What is the difference between MDR and SDR camera link? (Source: STC Cable)
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.
(PRUnderground) July 2nd, 2025
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 pinout, but the physical connectors differ.
Always check your camera/frame grabber specs—most industrial cameras today use MDR.
About Shenzhen STC Electronic Co., Ltd
STC-CABLE is an industry-leading manufacturer of high-performance cabling and connectivity solutions. Founded in 2008, STC provides end-to-end connectivity solutions serving a variety of markets–including corporate, digital signage, education, healthcare, home theater, and hospitality.
As a professional cable assembly factory, STC brings a complete portfolio of products and solutions including USB 2.0 Cables, USB 3.0 Cables, USB C Cables, Drive Cables, Network Cables & Adapters, Audio & Video Cables, Serial & Parallel Cables, Audio-Video Products, Computer power Cables internal and so on.
Leo Zhang
Sales Manager
[email protected]
Tel: (86) 0755 2321 4701
(86) 134 2285 3610
www.stc-cable.com
STC Electronic (Hong Kong) Co., Limited
Shenzhen STC Electronic Co., LTD
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