Accessories

Part Number	Description / PDF	Quantity
AT4146-016 NKK Switches	REPLACEMENT KEY FOR CKM SERIES	30
AT4152-016 NKK Switches	SW KEY TUBULAR HIGH SECURITY #16	0
AT531H NKK Switches	PANEL MNT FOR SGL/DBL POLE GRAY	50
AT607N NKK Switches	LAMP NEON 110V T-1 BI-PIN LB	224241
AT4104E NKK Switches	SW CAP LARGE ROTARY KNOB YELLOW	3
AT634C05 NKK Switches	RED LED 5V	233
AT081T NKK Switches	SW HARDWARE STAR WASHER S-300	0
AT507H NKK Switches	RING LOCKING INCH 1/4-40	7729200
AT621CF12 NKK Switches	LED 6 ELEMENT R/G T-1 1/2 BI-PIN	45
AT4124-007 NKK Switches	REPLACEMENT KEY FOR SK MEDIUM	51
AT627C12 NKK Switches	LAMP 4-ELEMENT LED 12V RED	219
AT4011 NKK Switches	COVER DUST RECT POLY LB/UB SER	10
AT4124-005 NKK Switches	REPLACEMENT KEY FOR SK MEDIUM	73
AT4152-041 NKK Switches	SW KEY TUBULAR HIGH SECURITY #41	48
AT206F NKK Switches	SW CAP .945" BEZEL GREEN	0
AT217B NKK Switches	CAP JWM BARRIER FLANGE WHITE	333
AT4104G NKK Switches	SW CAP LARGE ROTARY KNOB BLUE	15
AT4152-022 NKK Switches	SW KEY TUBULAR HIGH SECURITY #22	20
AT4146-008 NKK Switches	REPLACEMENT KEY FOR CKM SERIES	5
IS-L0204-C NKK Switches	BOARD LOGIC 2 STD RBG SW SOCKETS	0

Accessories

1. Overview

Switches Accessories refer to supplementary components that enhance the functionality, connectivity, and management of network switches. These accessories are critical in modern networking infrastructure, enabling efficient data transmission, power distribution, and system integration across industries.

2. Main Types and Functional Classification

Type	Functional Features	Application Examples
Network Cables	Support data transfer (e.g., Cat6, Cat7, fiber optics) with varying bandwidths and shielding	Connecting switches to servers or endpoints in data centers
Power Over Ethernet (PoE) Injectors	Deliver power and data over a single Ethernet cable (IEEE 802.3af/at/bt compliant)	Powering IP cameras, VoIP phones, and wireless access points
Transceivers (SFP/QSFP)	Convert electrical signals to optical signals for high-speed transmission	Connecting switches in metro networks or backbone systems
Rack Mount Kits	Secure switches in standard 19-inch racks with adjustable mounting hardware	Organizing equipment in server rooms or telecom closets

3. Structure and Composition

A typical switch accessory combines mechanical and electrical components:

Enclosures: Metal or polymer housings for durability and EMI shielding
Connectors: RJ45, LC, or MPO interfaces with gold-plated contacts
Internal Circuits: Signal conditioning chips, power management modules, or optical conversion units
Cable Assemblies: Twisted-pair or fiber strands with PVC/LSZH jackets

4. Key Technical Specifications

Parameter	Unit	Importance
Port Density	Ports per unit	Determines scalability and space efficiency
Transmission Speed	Gbps	Impacts data throughput (e.g., 10/40/100/400Gbps)
Power Budget	Watts (W)	Defines maximum power deliverable to connected devices
Operating Temperature	C	Ensures reliability in harsh environments (-40 C to 85 C)

5. Application Fields

Telecommunications: 5G base stations, core routers
Smart Buildings: Access control systems, IoT sensor networks
Healthcare: PACS (Picture Archiving and Communication Systems) in hospitals
Industrial Automation: Connecting PLCs and SCADA systems

6. Leading Manufacturers and Products

Manufacturer	Representative Product
Cisco Systems	Cisco Catalyst 9200L Series Switch Accessories
Hewlett Packard Enterprise (HPE)	HPE Aruba 2930M Switch Modules
Juniper Networks	Juniper EX4650 Switch Transceivers

7. Selection Recommendations

Verify compatibility with switch models (e.g., SFP+ for 10Gbps ports)
Assess environmental conditions (e.g., industrial-grade PoE injectors for outdoor use)
Evaluate future scalability needs (modular vs. fixed configurations)
Compare certifications (e.g., CE, FCC, RoHS compliance)

8. Industry Trends

Key trends shaping switch accessories include:

Rise of 800Gbps+ optical transceivers driven by AI/ML workloads
Integration of Energy-Efficient Ethernet (EEE) to reduce power consumption
Adoption of software-defined networking (SDN) requiring programmable accessories
Growing demand for compact form factors (e.g., SFP-DD for high-density deployments)