Corning MIC Tight-Buffered Riser Fiber Cable — OS2 Singlemode, 24-Fiber (024E81-33131-24)
The Corning MIC tight-buffered riser cable is a 24-fiber OS2 singlemode cable with a yellow jacket, designed for vertical riser and general-purpose indoor backbone installations. The 900µm TBII buffered fiber design simplifies stripping and termination, while the all-dielectric, flame-retardant riser construction ensures safe routing between floors without grounding requirements.
Key Features
- OS2 singlemode fiber for long-distance, low-loss performance
- 24-fiber count for higher density backbone applications
- 900µm TBII buffered fibers — easy, consistent stripping
- All-dielectric construction — no grounding or bonding required
- Riser-rated flame-retardant jacket
- Yellow jacket — standard singlemode identification
Specifications
- Manufacturer: Corning
- Model (field): S-RN-24-DN-YL-SIC
- Manufacturer Part Number: 024E81-33131-24
- Fiber Type: Singlemode, OS2
- Fiber Count: 24
- Buffer Type: Tight-Buffered, 900µm TBII
- Rating: Riser
- Jacket Color: Yellow
Applications
Used for 24-fiber OS2 singlemode backbone runs in riser shafts and general-purpose indoor environments between floors in commercial buildings, data centers, healthcare facilities, and campus networks. Suitable for direct termination in the field. Installed by low-voltage contractors and network engineers.




