Accessories

Part Number	Description / PDF	Quantity
AT4171 NKK Switches	GUARD PROTECT SPRING LOAD LB/UB	5392258
AT4025 NKK Switches	COVER DUST RECT POLY FOR KB SER	0
AT634F05 NKK Switches	LED 1 ELEMNT GRN 5V T1 1/4 BIPIN	397
AT218A NKK Switches	JWL BARRIER FLANGE BLACK	253
AT4152-045 NKK Switches	SW KEY TUBULAR HIGH SECURITY #45	1
AT9704-085K NKK Switches	SOCKET FOR HI RES SMART SWITCH	58
AT4152-011 NKK Switches	SW KEY TUBULAR HIGH SECURITY #11	85
AT543 NKK Switches	BRACKET SUPPORT FOR MRK SERIES	1815
AT4153-004 NKK Switches	SW KEY HIGH SECURITY SW KEY #04	21
AT627D12 NKK Switches	LED 4 ELEMENT AMB 12V T-1 BI-PIN	55
AT628C NKK Switches	LED 2 ELEMENT RED T-1 BI-PIN	1442
ATHK-2 NKK Switches	HARDWARE KIT FOR TY FRAME	0
IS-CL04R NKK Switches	CONTROLLER FOR OLED ROCKER	7
AT9704-065FH NKK Switches	SOCKET FOR LCD 64X32 PUSHBUTTON	0
AT204D NKK Switches	SW CAP .787" BEZEL AMBER	0
AT4152-038 NKK Switches	SW KEY TUBULAR HIGH SECURITY #38	2
AT214 NKK Switches	ON-OFF PLATE FOR 12MM BUSHING	426256
AT634D12 NKK Switches	LED QUAD ELEMENT W/RES 12V AMBER	18
AT4152-017 NKK Switches	SW KEY TUBULAR HIGH SECURITY #17	15
AT207F NKK Switches	SW CAP .614" BEZEL GREEN	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)