Accessories

Part Number	Description / PDF	Quantity
AT513M NKK Switches	NUT HEX METRIC M6	3918
AT4152-004 NKK Switches	SW KEY TUBULAR HIGH SECURITY #04	38
AT617F NKK Switches	LAMP GREEN LED FOR AT212	0
AT509 NKK Switches	LOCKWASHER INTERNAL TOOTH .402"	32678
AT4152-012 NKK Switches	SW KEY TUBULAR HIGH SECURITY #12	4
AT206H NKK Switches	SW CAP .945" BEZEL GRAY	41
AT433A NKK Switches	SWITCH MINI KNOB BLCK FR/MR SER	317
AT206B NKK Switches	SW CAP .945" BEZEL WHITE	46
AT4124-001 NKK Switches	REPLACEMENT KEY FOR SK MEDIUM	47
AT4153-008 NKK Switches	SW KEY HIGH SECURITY SW KEY #08	8
AT512CM NKK Switches	NUT CONICAL METRIC RED EB/MB20	19650
AT547 NKK Switches	MOUNTER POLY FOR AT4140 JB SER	11
AT499 NKK Switches	PROTECTIVE GUARD FOR LB SER SQ	9191
AT4175 NKK Switches	SPRING LOADED PROT GUARD SER YB	1377179
AT618E NKK Switches	LED SINGLE ELEMENT YELLOW	63
AT4153-020 NKK Switches	SW KEY HIGH SECURITY SW KEY #20	0
AT064-1 NKK Switches	FRAME PANEL .365" 2.3MM M SER	4981757
AT4104A NKK Switches	SWITCH KNOB LARGE ROTARY BLACK	54459
AT4141 NKK Switches	SWITCH PROTECTIVE GUARD	13042
AT4152-040 NKK Switches	SW KEY TUBULAR HIGH SECURITY #40	1

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)