High Density Splice Cassettes

High Density Splice Cassettes

  • Splice Holder Type: 40 mm heat shrink sleeves (crimp style and ribbon splice options available)
  • Maximum Incoming Cable Diameter: 5.5 mm (0.22″)
  • Maximum Fiber Capacity: 24 FO (LC) / 12 FO (SC)
  • Dimensions (HxWxD): 182.2 x 140 x 12.6 mm (7.17″ x 5.51″ x 0.50″ )
  • Weight: 0.25 kg (0.55 lbs)
  • Housing Material: Flame-retardant ABS + PC
  • Housing Color: Black
  • Channel Insertion Loss:

    • Standard Grade (Singlemode): Average: ≤ 0.20 dB; Maximum: ≤ 0.30 dB

    • Standard Grade (Multimode): Average: ≤ 0.18 dB; Maximum: ≤ 0.30 dB

    • Premium Grade (Singlemode & Multimode): Average: ≤ 0.12 dB; Maximum: ≤ 0.15 dB

  • Return Loss (LC):

    • Singlemode: PC ≥ 60 dB; APC ≥ 65 dB

    • Multimode: N/A

  • Operating Temperature: −40 °C to +70 °C (−40 °F to +158 °F)
  • Reference Compliance Standard: TIA/EIA-568-C.3.

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High Density Splice Cassettes

The 24F fiber splicing cassette provides internal optical fiber management, adapter integration, and fusion splice protection within a single modular footprint. Engineered for high-density passive optical distribution, this unit houses up to 24 fibers in an LC configuration or 12 fibers in an SC configuration. It mounts directly into compatible 1U 6-slot rack mount chassis panels, supporting system capacities up to 144 fibers with LC interfaces and 72 fibers with SC interfaces. The unit arrives preloaded with factory-terminated adapters, pigtails, and splicing accessories to streamline field termination.

Key Features

  • Fiber Capacity: Houses up to 24 fibers using LC adapters or 12 fibers using SC adapters.

  • Modular Integration: Plugs directly into 1U 6-slot rack panels to build high-density distribution frames.

  • Factory Preloading: Supplied complete with adapters, pigtails, and splice accessories to accelerate deployment.

  • Dust Protection: Features shuttered, dust-proof LC adapters to protect internal optical interfaces from particulate contamination.

  • Housing Material: Molded from flame retardant ABS and PC composite material for physical durability.

  • Splice Holder Compatibility: Includes splice holders designed for 40 mm heat-shrink sleeves, with options for crimp-style or ribbon splice protectors.

  • Standards Compliance: Conforms to IEC, EIA-TIA, and Telcordia performance requirements, as well as RoHS, REACH, SVHC, and Materials Conflict compliance.

Product Configuration

  • Port Densities: 12-fiber (12F) and 24-fiber (24F) configurations.

  • Optical Modes: Singlemode (SM) and Multimode (MM) options.

  • Adapter Options: Shuttered LC or standard SC.

  • Performance Grades: Standard grade and Premium low-loss grade.

  • Chassis Scalability: Accommodates up to 6 units per 1U rack-mount chassis (reaching 144 fibers with LC or 72 fibers with SC).

Applications

  • Telecommunication Networks: Main distribution frames and outdoor plant transition points.

  • Data Centers and Co-location Facilities: High-density intra-rack cross-connects and fabric patching.

  • Enterprise Infrastructure: Local Area Networks (LAN) and campus-wide optical backbones.

  • Broadband Networks: Optical distribution nodes and passive optical networks (PON).

  • High-Speed Transceiver Links: SFP, QSFP, and CFP optical transceiver interfaces.

Selection Considerations

  • Interface Density: Select LC adapters for maximum rack concentration (up to 144 fibers per 1U chassis) or SC adapters for legacy connectivity (up to 72 fibers per 1U chassis).

  • Optical Loss Budget: Choose the Premium grade option (Insertion Loss <= 0.15 dB max) when designing tight link budgets for high-speed multi-gigabit optics (QSFP/CFP). Select the Standard grade (Insertion Loss <= 0.30 dB max) for standard link margins.

  • Splice Sleeve Style: Verify field splice protection preferences between standard 40 mm heat-shrink sleeves, crimp-style protectors, or mass fusion ribbon sleeves.

  • Cable Entrance Limitations: Ensure incoming distribution cable diameters do not exceed the 5.5 mm physical threshold.

Frequently Asked Questions

What is the maximum fiber count achievable in a 1U chassis using these modules? A fully populated 1U 6-slot panel holds six units, providing up to 144 fibers using LC duplex adapters or 72 fibers using SC adapters.

Can these cassettes accommodate ribbon fiber mass fusion splicing? Yes. The internal splice holders support 40 mm heat-shrink sleeves, crimp-style holders, and ribbon splice sleeves.

Are the internal optical pigtails pre-installed? Yes. Units ship preloaded with adapters, color-coded pigtails, and splicing accessories.

Conclusion

Deploying the 24F fiber splicing cassette delivers an organized, repeatable solution for high-density rack cable terminations. By combining preloaded optical pigtails, shuttered adapters, and verified return loss characteristics in a compact plug-in form factor, this unit simplifies fiber patching across telecom and data center environments.

High Density Splice Cassettes

  • Splice Holder Type: 40 mm heat shrink sleeves (crimp style and ribbon splice options available)
  • Maximum Incoming Cable Diameter: 5.5 mm
  • Maximum Fiber Capacity: 24 FO (LC) / 12 FO (SC)
  • Dimensions (HxWxD): 182.2 x 140 x 12.6 mm (7.17″ x 5.51″ x 0.50″ )
  • Weight: 0.25 kg (0.55 lbs)
  • Housing Material: Flame retardant ABS + PC
  • Housing Color: Black
  • Channel Insertion Loss:

    • Standard Grade (Singlemode): Average: ≤ 0.20 dB; Maximum: ≤ 0.30 dB

    • Standard Grade (Multimode): Average: ≤ 0.18 dB; Maximum: ≤ 0.30 dB

    • Premium Grade (Singlemode & Multimode): Average: ≤ 0.12 dB; Maximum: ≤ 0.15 dB

  • Return Loss (LC):

    • Singlemode: PC ≥ 60 dB; APC ≥ 65 dB

    • Multimode: N/A

  • Operating Temperature: −40 °C to +70 °C (−40 °F to +158 °F)
  • Reference Compliance Standard: TIA/EIA-568-C.3.
Parameters Units SM LC/SC MM LC/SC
Avg/Max IL – Standard dB ≤ 0.20/0.30 ≤ 0.18/0.30
Return Loss (PC/APC) dB ≥ 60/65 NA
Avg/Max IL– Premium dB ≤ 0.12/0.15 ≤ 0.12/0.15
Return Loss (PC/APC) dB ≥ 60/65 NA