Accessories

Part Number	Description / PDF	Quantity
AT3009A NKK Switches	ROTARY KNOB NR01 BLACK FLANGE	399
AT4124-002 NKK Switches	REPLACEMENT KEY FOR SK MEDIUM	320
AT206E NKK Switches	SW CAP .945" BEZEL YELLOW	0
AT4146-023 NKK Switches	SW KEY TUBULAR HIGH SECURITY #23	0
AT4152-006 NKK Switches	SW KEY TUBULAR HIGH SECURITY #06	47
AT628F NKK Switches	LED 2 ELEMENT GREEN T-1 BI-PIN	80
AT4146-017 NKK Switches	REPLACEMENT KEY FOR CKM SERIES	38
AT207H NKK Switches	BEZEL GRAY FOR EB/MB24 SERIES	50
AT546 NKK Switches	HARDWARE MOUNTING BRACKET	0
AT453B NKK Switches	SHROUD RECT WHT FOR MB20/SCB SER	50
AT105 NKK Switches	CAP REMOVAL TOOL FOR KB SERIERS	388
IS-L02L1-C NKK Switches	BOARD LOGIC 2 OLED SW SOCKETS	0
AT526 NKK Switches	NUT MOUNTING HEX HS/PS/TS SER	25
AT4124-008 NKK Switches	REPLACEMENT KEY FOR SK MEDIUM	30
IS-L0271-C NKK Switches	BOARD LOGIC 2COMPACT RGB SW SOCK	0
AT206C NKK Switches	SW CAP .945" BEZEL RED	200
AT093ABC NKK Switches	CAP REMOVAL TOOL JB KP UB2 PCB	0
AT4153-021 NKK Switches	SW KEY HIGH SECURITY SW KEY #21	98
AT4152-021 NKK Switches	SW KEY TUBULAR HIGH SECURITY #21	18
AT4152-033 NKK Switches	SW KEY TUBULAR HIGH SECURITY #33	4

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)