Accessories

Part Number	Description / PDF	Quantity
AT4078B NKK Switches	FRAME WHITE FOR AT4077 BUTTON JB	0
AT4152-039 NKK Switches	SW KEY TUBULAR HIGH SECURITY #39	9
AT207B NKK Switches	BEZEL WHITE FOR EB/MB24 SERIES	76
AT520 NKK Switches	HARDWARE SPLIT LOCKWASHER	36
AT204F NKK Switches	SW CAP .787" BEZEL GREEN	0
AT3008A NKK Switches	ROTARY KNOB NR01 BLACK	8257
AT4152-002 NKK Switches	SW KEY TUBULAR HIGH SECURITY #02	37
AT634F24 NKK Switches	LED QUAD ELEMENT W/RES 24V GREEN	68
AT056T NKK Switches	THREADED THRU DRESS NUT	7274
AT207C NKK Switches	SW CAP .614" BEZEL RED	111
AT4153-025 NKK Switches	SW KEY HIGH SECURITY SW KEY #25	8680
AT4103C NKK Switches	SWITCH KNOB SMALL ROTARY RED	7517
AT204A NKK Switches	BEZEL BLACK FOR MLW SERIES	25649
AT4057 NKK Switches	PROTECTIVE GUARD FOR LB SER RECT	86139
AT431 NKK Switches	KNOB ROTARY BLACK 24MM HIGH	50
AT019 NKK Switches	HARDWARE HEX NUT FOR CKL SERIES	0
AT4104F NKK Switches	SW CAP LARGE ROTARY KNOB GREEN	0
AT717 NKK Switches	DOUBLE POLE SOLDER LUG ADAPTER F	506
AT2107H NKK Switches	SW CAP .614" BEZEL M2100 GRAY	3
AT632F NKK Switches	LED 1 ELEMENT GREEN T-1 BI-PIN	859

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)