F-tone FT21BC01201 2x1 Stacked SFP+ Cage Connector Technical Overview
The FT21BC01201 is an industry-standard 2x1 stacked SFP+ cage assembly with an integrated electrical host connector and an inner lightpipe engineered for high-density 10Gb/s Ethernet and 16Gb/s Fibre Channel systems. Featuring solderless press-fit PCB mounting, copper alloy construction with 30µ" plating, and external metallic EMI springs, it delivers vertical 2-port I/O consolidation, optical LED link status diagnostics, and reliable chassis grounding for enterprise switches, SAN storage directors, and industrial telecom infrastructure.
- Mechanical Form Factor: 2x1 Stacked 2-Port Vertical SFP+ Receptacle Cage Assembly with integrated dual-tier electrical receptacle and inner lightpipe optics (2.490" L x 0.551" W x 1.005" H).
- Signal Ecosystem Support: Engineered for 10GbE optical transceivers, 16G Fibre Channel modules, and Direct Attach Copper (DAC) cables operating up to 16 Gb/s (SFF-8431).
- Board Mount Technology: Solderless Through-Hole Press-Fit termination, specifically tailored for heavy-duty 2.36mm [.093 in] thick enterprise PCB substrates.
- Cross-Reference Sourcing: Direct footprint-compatible alternative to industry 2x1 stacked SFP+ cage assemblies from TE Connectivity, Molex, and Amphenol for supply chain diversification.
F-tone FT21BC01201 SFP+ Cage Connector Product Overview
F-tone FT21BC01201 is an integrated 2x1 stacked SFP+ receptacle and cage assembly featuring inner lightpipe optics, external perimeter metallic EMI spring gaskets, premium copper alloy 30µ" construction, and press-fit PCB mounting. Designed for vertical port expansion on thick multi-layer line cards in enterprise core switches, SAN storage arrays, and industrial networking enclosures, this 2-port stacked assembly integrates the electrical card-edge receptacle inside the cage body, eliminating secondary SMT host connector reflow operations (-40°C to +85°C).
Key Benefits of F-tone FT21BC01201 SFP+ Cage Connector
- Integrated Receptacle & LightPipe Architecture: Houses the dual-tier 40-position electrical connector, metallic copper alloy cage shell, and inner lightpipe optics in a single press-fit unit, eliminating separate SMT connector and lightpipe assembly steps.
- Integrated Inner LightPipe LED Diagnostics: Pre-installed inner optical lightpipe captures SMT LED light from the PCB and routes it cleanly to the front bezel, providing real-time visual link and activity status monitoring without cross-port light bleed.
- Thick Enterprise Board Matching (2.36mm / .093"): Specifically engineered for thick 2.36mm [.093 in] multi-layer PCB motherboards, ensuring optimal press-fit pin engagement, mechanical retention, and grounding stability.
- Vertical 2x1 Stacked Density Consolidation: Stacks two SFP+ ports vertically in a single column, doubling front-panel port capacity per linear inch of bezel width on 1RU/2RU switch line cards.
- Premium Copper Alloy 30u" Construction: Formed with 30µ" plated copper alloy, ensuring low transfer contact resistance, superior wear resistance over repeated module insertions, and enhanced thermal heat dissipation.
- Multi-Source Drop-In Compatibility: Standard SFP+ MSA mechanical footprint enables seamless deployment alongside original OEM equipment for BOM cost optimization and lead-time reduction.
| Part Number | FT21BC01201 | Part Status | Active |
| Connector Style | Receptacle with Cage, Ganged (2x1) | Connector Type | SFP+ |
| Data Rate (Max)(Gb/s) | - | Mounting Type | Through Hole, Right Angle |
| Termination | Press-Fit | Features | EMI Shielded |
| Port Matrix Configuration | 2x1 Ports | Number of Ports | 2 |
| Operating Temperature Range | -40 – 85°C | Pluggable I/O Applications | SFP+ |
| Circuit Application | - | EMI Containment Feature Type | External Springs |
| Included Lightpipe | NO | Cage Material | COPPER ALL OY 30u” |
| Length (Inches/mm) | 63.25/2.490 | Width (Inches/mm) | 14.00/0.551 |
| Height (Inches/mm) | 25.53/1.005 | PCB Thickness (Recommended) | 2.36MM( .093 INCH) |
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Important Notice
Performance figures, data and any illustrative material provided in this data sheet are typical and must be specifically confirmed in writing by F-tone Networks before they become applicable to any particular order or contract. In accordance with the F-tone Networks policy of continuous improvement specifications may change without notice.
The publication of information in this data sheet does not imply freedom from patent or other protective rights of F-tone Networks or others. Further details are available from any F-tone Networks sales representative.
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Power and Wavelength Testing
Test the signal delivering strength and wavelength, to ensure the signal decoding capacity of the receiver, and the wavelength remains consistent from the transmitter to the receiver.
Traffic Testing
Test the bit error rate and packet loss rate, to make them meet the corresponding standards and ensure the performance of transceivers.
Optical Performance Testing
Test the transceivers' eye diagram situation, receiving sensitivity, extinction ratio, wavelength, light-emitting, light-receiving, current and voltage, to ensure the signal quality, stability and reliability of the transmission.
End Face Testing
Check the end face of the transceivers and keep them clean for more stable data transmission, better performance, and durability.
Various Switch Tests
Every module is quality tested for compatibility in the multi-brand switches environment, guaranteeing flawless operations.