Accessories

Part Number	Description / PDF	Quantity
AT631B NKK Switches	LED 1 ELEMENT WHITE T1 BI-PIN	29
AT421D NKK Switches	SW FILTER FOR AT420 AMBER	0
AT204C NKK Switches	SW CAP .787" BEZEL RED	0
AT4075C NKK Switches	DIFFUSER RED FOR AT4074 SQ CAP	6062281
AT4146-007 NKK Switches	REPLACEMENT KEY FOR CKM SERIES	86
AT065-1 NKK Switches	FRAME PANEL .450" 2.3MM M SER	1285
AT4152-013 NKK Switches	SW KEY TUBULAR HIGH SECURITY #13	58
AT4126 NKK Switches	SWITCH DUST COVER F/JWL SER	522231
AT218H NKK Switches	JWL BARRIER FLANGE GRAY	24
AT082C NKK Switches	SCREW S800 TYPE TERMINAL	58903
AT202 NKK Switches	ON-OFF PLATE FOR 12MM BUSHING	1373
AT634C24 NKK Switches	LED QUAD ELEMENT W/RES 24V RED	229
AT4146-005 NKK Switches	SW KEY TUBULAR HIGH SECURITY #05	527
AT204E NKK Switches	SW CAP .787" BEZEL YELLOW	0
AT616F NKK Switches	LAMP GREEN LED	0
AT622F NKK Switches	LED 2 ELEMENT GREEN T-1 3/4SLIDE	1056
AT207E NKK Switches	SW CAP .614" BEZEL YELLOW	25
AT9704-V4K NKK Switches	HARDWARE IS SERIES SOCKET	0
AT627C24 NKK Switches	LED 4 ELEMENT RED 24V T-1 BI-PIN	396
AT625G NKK Switches	LED 1 ELEMENT BLUE T-1 BI-PIN	1033

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)