Accessories

Part Number	Description / PDF	Quantity
AT4082 NKK Switches	REPL KEY FOR SK SERIES	1921
AT4146-025 NKK Switches	SW KEY TUBULAR HIGH SECURITY #25	0
AT201 NKK Switches	ON-OFF PLATE FOR 12MM BUSHING	22461358
AT4075B NKK Switches	DIFFUSER WHITE FOR AT4074 SQ CAP	2442
AT503H NKK Switches	HARDWARE HEX NUT INCH	0
AT207A NKK Switches	BEZEL BLACK FOR EB/MB24 SERIES	1490
AT634D24 NKK Switches	LED QUAD ELEMENT W/RES 24V AMBER	155
AT416C NKK Switches	COVER LAMP FOR AT602 RED LW SER	425
AT2107G NKK Switches	SW CAP .614" BEZEL M2100 BLUE	50
AT421E NKK Switches	SW FILTER FOR AT420 YELLOW	0
AT4152-047 NKK Switches	SW KEY TUBULAR HIGH SECURITY #47	47
AT9704-085L NKK Switches	SOCKET FOR OLED SMART SWITCH	5161519
AT621CF05 NKK Switches	LAMP BI-COLOR LED 5VOLT	128
AT211 NKK Switches	PLATE ON OFF RD/BK 6MM THR BUSH	60
AT4001 NKK Switches	COVER DUST SQ POLY FOR LB/UB SER	8209
AT4145 NKK Switches	COVER DUST SQUARE FOR UB2 SERIES	0
AT606F NKK Switches	LAMP GREEN LED	0
AT497 NKK Switches	END BARRIER BLACK POLY LB SER	45
AT513H NKK Switches	NUT HEX INCH 1/4-40 M/MB20/MB24	1783
AT9201A NKK Switches	BEZEL BLACK POLY FOR MLW SERIES	719

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)