Keystone - Inserts

Image	Part Number	Description / PDF	Quantity	Rfq
	CMDSBLLCEI Panduit Corporation	DUPL LC SR./SR. FIBRE ADAPTER (E	0
	CMBPBIWY Panduit Corporation	5 WAY BINDING POST MODULE WITH B	0
	CJS5E88TGVLY Panduit Corporation	MINI-COM MODULE, CAT 5E, SHIELDE	0
	CHR3WYRIG Panduit Corporation	RCA COUPLER	0
	CHSR2IW-X Panduit Corporation	INSERT 2MOD 1/2 SIZE OFF WHITE	0
	CMRPWIW Panduit Corporation	COUPLER MODULE, RCA PASS-THROUGH	0
	CJA688TPVL Panduit Corporation	TX-6 PLUS MODULE FOR AVAYA FACEP	0
	CMSVCBLY Panduit Corporation	MODULE, S-VIDEO PASS THROUGH, BL	0
	CJA5E88TYL Panduit Corporation	MINI-COM MODULE, CAT 5E, UTP, 8	0
	CMRPRBL Panduit Corporation	COUPLER MODULE, RCA PASS-THROUGH	0
	CJD5E88TBU Panduit Corporation	MINI-COM MINI-JACK SHUTTERED MOD	0
	CMDAQSCBL Panduit Corporation	SC DUPL (AQ) ADAPTER (BL) MODULE	0
	CHSRE2EI-X Panduit Corporation	INSERT 2PORT 1/2 SIZE IVORY	0
	KJ5E88TRD Panduit Corporation	KEYSTONE MODULE, CAT 5E, UTP, RE	0
	CMDEISCIG Panduit Corporation	SC DUPL (EI) ADAPTER (IG) MODULE	0
	NKHFDBLCZBL Panduit Corporation	NETKEY KEYED DUPLEX LC ADAPTER M	0
	CMRPWBL Panduit Corporation	COUPLER MODULE, RCA PASS-THROUGH	0
	NKHDLCMZBL Panduit Corporation	NETKEY HORIZONTAL SINGLEMODE LC	0
	NKHDYLLCZIW Panduit Corporation	NETKEY KEYED DUPLEX LC ADAPTER M	0
	NKRPMYEI Panduit Corporation	NK RCA MODULE, PUNCHDOWN, YELLOW	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

Type	Functional Characteristics	Application Examples
RJ45 Ethernet	8P8C configuration, supports 10/100/1000BASE-T networks	Network switches, PoE devices
RJ11/12	6P4C/6P6C configurations, voice/data transmission	Telephony systems, fax machines
Fiber Optic	LC/SC/MPO interfaces, single/multi-mode support	Data centers, backbone networks
Coaxial	75 /50 impedance, RF signal transmission	CCTV systems, satellite receivers
Composite	Multi-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

Parameter	Value Range	Importance
Insertion Loss	0.5dB @100MHz	Signal integrity maintenance
Contact Resistance	10-30m (initial)	Power transmission efficiency
Withstand Voltage	1000VAC rms	Electrical safety compliance
Mating Cycles	750-1500 cycles	Service life prediction
Operating Temperature	-40 C to +85 C	Environmental 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

Manufacturer	Product Line	Key Features
TE Connectivity	DEUTSCH DT Series	IP68-rated, automotive-grade durability
Amphenol	OptiCore OCX	100Gbps fiber optic transmission
Molex	Gigabit Ethernet	Shielded Cat6A compliance
Bel Stewart	Power over Ethernet	100W (IEEE 802.3bt) support
Panduit	NetKey HDX	28% 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)