Keystone - Inserts

Part Number	Description / PDF	Quantity
CMSTZBU Panduit Corporation	ST SIMPL FIBER ADAPTER WITH MODU	240
NKJ-5506 Quest Technology International	CAT5E SLIMSTYLE 90 DEGREE KEYSTO	579
NKJ-6508 Quest Technology International	CAT6 SLIMSTYLE 90 DEGREE KEYSTON	0
CJLR688TGIW-24 Panduit Corporation	CAT6 LEFT/RIGHT 45 DEGREE TG WIR	48
RV5MJKUBK-S1 Belden	REVCONN CAT5E JACK BLACK	98
CMDSLCZEI Panduit Corporation	DUPLEX LC SR./SR. FIBER ADAPTER	10200
NK5E88MVLY Panduit Corporation	JACK MODULE	20
CJ688TGWH-24 Panduit Corporation	CATEGORY 6, RJ45, 8-POSITION, 8-	726528
20-3426-WH-25 DataComm Electronics, Inc.	CAT 6 DATA JACK, 180O CONFIGURAT	45
N455-000-BL-KJ Tripp Lite	DUPLEX MULTIMODE FIBER COUPLER,	12640
NK6X88MBL Panduit Corporation	JACK MODULE	32
CJR688TGOR Panduit Corporation	MINI-COM MODULE, CAT 6, UTP, 8 P	75
CJ6X88TGRD-C Panduit Corporation	MINI-COM MODULE, CAT 6A, UTP, 8	800
NKUSBAAEI Panduit Corporation	USB NETKEY	0
NLJ-6504 Quest Technology International	LOCJACK SECURITY KEYSTONE JACK	242
NK688MWH Panduit Corporation	INSERT RJ45 JACK TO IDC CONN	155
CC688IW Panduit Corporation	MINI-COM COUPLER MODULE, CAT 6,	24
CJLR6X88TGGR Panduit Corporation	CAT6A LEFT/RIGHT 45 DEGREE TG WI	25
CJ688TGYL-24 Panduit Corporation	CATEGORY 6, RJ45, 8-POSITION, 8-	282616
CJLR688TGIW Panduit Corporation	CAT6 LEFT/RIGHT 45 DEGREE TG WIR	241910

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)