Keystone - Inserts

Image Part Number Description / PDF Quantity Rfq
1657753

1657753

Phoenix Contact

INSERT DB25 RCPT TO DB25 PLUG

0

1404509

1404509

Phoenix Contact

SI-FP-D1D-D1E

0

1404510

1404510

Phoenix Contact

SI-FP-2D1D

0

1404505

1404505

Phoenix Contact

INSERT USB-A RCPT

0

1404495

1404495

Phoenix Contact

INSERT DB9 RJ45 USB

0

1404501

1404501

Phoenix Contact

SI-FP-D1A

0

1657740

1657740

Phoenix Contact

INSERT DB15-DB25 TO DB15-DB25

0

1404503

1404503

Phoenix Contact

SI-FP-R1A-R2A-2U1A

0

1404507

1404507

Phoenix Contact

SI-FP-R1A-D1A-D1C

0

1657724

1657724

Phoenix Contact

INSERT DB9-DB25 RCPT TO DB9-DB25

0

1657711

1657711

Phoenix Contact

INSERT DB9-DB15 RCPT TO DB9-DB15

0

Keystone - Inserts

1. Overview

Keystone inserts are modular interface components designed to facilitate secure and reliable signal or power transmission in structured cabling systems. As standardized interconnect solutions, they serve as fundamental building blocks in telecommunications, networking, and audio/video infrastructure. Their interchangeable design enables rapid deployment and scalability in environments requiring high-density connectivity solutions.

2. Main Types and Functional Classification

TypeFunctional CharacteristicsApplication Examples
RJ45 Ethernet8P8C configuration, supports 10/100/1000BASE-T networksNetwork switches, PoE devices
RJ11/126P4C/6P6C configurations, voice/data transmissionTelephony systems, fax machines
Fiber OpticLC/SC/MPO interfaces, single/multi-mode supportData centers, backbone networks
Coaxial75 /50 impedance, RF signal transmissionCCTV systems, satellite receivers
CompositeMulti-protocol integration (HDMI/USB/Power over Ethernet)AV distribution systems

3. Structural Composition

Standard keystone inserts feature a three-part architecture: - Dielectric housing: High-temperature thermoplastic (LCP/PBT) with integrated strain relief - Contact array: Phosphor bronze conductors with 50 " gold plating (25 " minimum standard) - Latching mechanism: Molded polymer actuator with >20N retention force Optional EMI shielding employs 0.1mm thick phosphor bronze cans with 360 coverage.

4. Key Technical Specifications

ParameterValue RangeImportance
Insertion Loss 0.5dB @100MHzSignal integrity maintenance
Contact Resistance10-30m (initial)Power transmission efficiency
Withstand Voltage1000VAC rmsElectrical safety compliance
Mating Cycles750-1500 cyclesService life prediction
Operating Temperature-40 C to +85 CEnvironmental adaptability

5. Application Fields

  • Telecommunications: Central office switching systems, DSLAM cabinets
  • Data Centers: 1U patch panels, high-density fiber distribution
  • Security Systems: IP camera connectivity, access control panels
  • Industrial Automation: PROFINET/Industrial Ethernet nodes
  • Residential: Smart home gateway integration

6. Leading Manufacturers and Products

ManufacturerProduct LineKey Features
TE ConnectivityDEUTSCH DT SeriesIP68-rated, automotive-grade durability
AmphenolOptiCore OCX100Gbps fiber optic transmission
MolexGigabit EthernetShielded Cat6A compliance
Bel StewartPower over Ethernet100W (IEEE 802.3bt) support
PanduitNetKey HDX28% smaller footprint than standard

7. Selection Guidelines

Key selection criteria include: - Signal type and bandwidth requirements (e.g., 25Gbps vs 100Gbps optics) - Environmental factors (temperature, vibration, EMI exposure) - Termination method compatibility (IDC/P CB/Welding) - Regulatory compliance (UL 94V-0, RoHS, REACH) - Cost/performance balance (gold thickness vs cycle life) Actual case: Selecting shielded fiber optic keystone inserts with MPO interfaces for 40Gbps backbone deployment in a Tier III data center.

8. Industry Trends

Current development trends include: - Miniaturization (SFP-DD/OSFP form factors) - Integrated PoE management (smart power negotiation) - Enhanced thermal performance (graphene-enhanced polymers) - Optical engine integration (on-board transceivers) - Sustainability focus (bio-based plastics, 100% recyclable metals)

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