1761008-3 Position SFP Cage Ganged 1 x 4 Port Connector Dual Square With Lightpipe

1761008-3: 1x4 SFP Ganged Cage Assembly with Dual Square Lightpipes & EMI Springs (4 Gb/s)

Engineered to meet the stringent demands of high-density networking and telecommunications equipment, the 1761008-3 is a premium 1x4 (4-port) ganged SFP cage assembly. Designed to house Small Form-factor Pluggable (SFP) optical transceivers and direct-attach copper (DAC) cables, this highly integrated cable-to-board interconnect solution reliably supports data transmission rates up to 4 Gb/s. By consolidating four physical SFP ports into a single, seamless housing, hardware architects can maximize front-panel I/O real estate while simplifying complex PCB layouts.

What sets the 1761008-3 apart is its integration of dual square lightpipes per port, delivering critical port-level visibility directly to the front faceplate. Combined with a rugged industrial operating temperature range of -55°C to 85°C and a reliable solderless Through Hole Press-Fit mounting mechanism, this cage assembly offers a perfect balance of structural rigidity, superior electromagnetic compatibility (EMC), and intuitive system diagnostics.

Integrated Dual Square Lightpipes for Visual Diagnostics

In dense data center switching environments, administrators rely on immediate visual feedback for network troubleshooting. Routing LED signals from the PCB surface through a crowded transceiver cage is historically challenging. The 1761008-3 solves this by incorporating precision-molded dual square lightpipes into the cage structure. These lightpipes efficiently channel light from surface-mounted LEDs on the PCB directly to the front bezel, providing clear, isolated visual indicators for link status and network activity (Link/Act) for each individual port without compromising the cage's structural integrity or EMI profile.

Advanced EMI Containment & Shielding

Managing Electromagnetic Interference (EMI) at the chassis faceplate is a critical design mandate, especially as port densities scale. The 1761008-3 achieves superior high-frequency shielding through its integrated EMI springs.

• Multi-Point Chassis Grounding: The metallic EMI springs surround the cage opening, creating continuous, low-impedance electrical contact with the metallic chassis bezel. This effectively grounds the assembly and seals the chassis opening.
• High-Frequency Emission Control: Aggressively blocks external Radio Frequency Interference (RFI) and contains internal emissions generated by PHY transceivers, ensuring compliance with strict FCC, CE, and CISPR regulatory standards.
• Port-to-Port Isolation: The internal divider walls of the 1x4 ganged cage function as Faraday shields, virtually eliminating crosstalk and electromagnetic coupling between adjacent SFP modules.

Mechanical Design & Press-Fit PCB Integration

Hardware engineers prioritize long-term mechanical reliability and simplified manufacturing workflows. The 1761008-3 leverages advanced press-fit pin technology to achieve high-yield assembly without thermal degradation.

• Press-Fit (Compliant Pin) Technology: Eliminates the need for secondary wave soldering operations. The compliant pins are pressed directly into plated through-holes (PTH) on the PCB, creating a cold-welded, gas-tight electrical and mechanical connection that resists physical vibration and thermal cycling.
• Structural Rigidity: Acts as a rigid mechanical guide rail system, absorbing the physical stress of frequent SFP transceiver insertions and extractions, thereby protecting the delicate SFP surface-mount electrical connectors positioned beneath the cage.
• Thermal Endurance: The military-grade -55°C to 85°C operating range ensures uninterrupted physical protection and diagnostic capability in unconditioned outdoor enclosures, industrial factory floors, and aerospace applications.

Typical Applications

By merging multi-port density, rapid solderless assembly, rugged thermal resilience, and built-in diagnostic lightpipes, the 1761008-3 SFP cage is the optimal choice for high-bandwidth networking infrastructure:

• Data Center & Enterprise Networking: High-density Gigabit Ethernet (1GbE) switches, enterprise routers, and 4G Fibre Channel (4GFC) SAN storage arrays requiring clear port-status visibility.
• Telecommunications Infrastructure: Broadband aggregation platforms, Central Office (CO) equipment, and outdoor 5G cellular base stations.
• Industrial Automation: Hardened Industrial Ethernet switches deployed in automated manufacturing lines and energy sector facilities.
• Edge Computing: Micro-data centers and modular I/O panels where space constraints demand ganged connector configurations without sacrificing diagnostic capabilities.