APPLICATION
LATEST MEWS
- 015V2A USB Charger with CN/US/EU/UK/JP Specifications | USB Charger Head Product & Original Factory Overview
- 025V1A Charger Certified | USB Charger Product and Source Factory Introduction
- 03How to confirm that a power adapter product has genuine CCC certification?
- 04Complete Guide to Power Adapters: From Basic Concepts to Professional Selection | Keyulong Technology
- 05Non-standard Power Adapter vs. Certified Power Adapter: How to Accurately Identify?
- 0612V2A Power Adapter (PSR) – A Cost-Effective Choice, a Reliable Partner for Security Surveillance and LED Lighting

4th Floor, Building 2, QinHui Road, Guxing Community, Xixiang Street, Bao'an District, Shenzhen, China
ICT Equipment
HomeICT Equipment
Power Supply Applications for ICT Equipment
LED Displays, Routers, Communication Equipment and More

In today's era of deep integration of information and digitalization, ICT equipment has become the core pillar for efficient operation across all industries. From enterprise network communications to public information displays, from home smart terminals to industrial communication base stations, the power adapter, as the "energy heart" of ICT equipment, directly determines the stability and service life of the equipment. Keyulong Technology focuses on power supply scenarios for ICT equipment, providing 5W-120W full power range, multi-specification, fully certified power adapter solutions.
I. Typical Application Scenarios for ICT Equipment Power Supplies
ICT equipment covers a wide range, mainly including three categories: network communication equipment, display equipment, and data transmission equipment. Specific application scenarios are as follows:
1.1 Network Communication Equipment
1.2 LED Display Equipment
1.3 Communication and Data Transmission Equipment
II. Power Supply Specifications and Equipment Matching Guide
Based on the power requirements and input interfaces of ICT equipment, Keyulong offers the following standard power adapter specifications:
Customization Support: The above specifications can be customized on demand, including plug types (China/US/EU/UK/Korea/Japan/Australia), cable length (1.0m/1.5m/1.8m, etc.), DC connector (5.5×2.1/5.5×2.5/Type-C, etc.), and appearance (color/logo/packaging).
III. Power Supply Selection Recommendations for Different Scenarios
Scenario 1: Home/Small Office Network
Equipment Composition: Home router + Optical modem + Small switch
Recommended Solution: Router (5V1A/9V1A) + Optical modem (5V1A/12V1A) + Switch (5V1A/9V1A)
Selection Points: Compact size, low standby power (≤0.1W), full CCC/CE/UL certifications, etc.
Scenario 2: Enterprise/Data Center Network
Equipment Composition: Enterprise router + Gigabit switch + Wireless AP + NAS storage
Recommended Solution: Router (12V1A) + Switch (12V1A/12V2A) + AP (12V1A/12V1.5A) + NAS (12V2A/12V3A)
Selection Points: MTBF ≥50,000 hours, full CCC/UL/FCC/CE certifications, strong anti-interference capability
Scenario 3: Commercial Display/Digital Signage
Equipment Composition: LED video wall + Advertising display + Information display screen
Recommended Solution: Small display (12V2A) + Video wall (12V3A/24V2A) + Outdoor advertising display (24V2A/24V3A with waterproofing)
Selection Points: Output ripple ≤200mV, wide temperature operation, V0 flame-retardant enclosure, full certifications
Scenario 4: Communication Base Station/Industrial Communication
Equipment Composition: Small base station + Signal amplifier + Industrial gateway + Optical terminal
Recommended Solution: Base station (12V2A/24V1.5A) + Amplifier (12V2A/24V2A) + Gateway (12V1A/12V2A) + Optical terminal (5V1A/12V1A)
Selection Points: EMC Level 4 anti-interference, wide voltage input, over-voltage/over-current protection, full certifications
IV. Product Form Factors and Interface Description
Product Form Factors
Wall-mount type — Plugs directly into the wall, space-saving, etc.
Desktop type — With power cord, flexible installation, suitable for racks/industrial environments, etc.
Common DC Connector Specifications
5.5×2.1×10mm tuning fork straight plug (most universal)
5.5×2.5×10mm tuning fork straight plug | Type-C interface | Micro USB interface | Other custom connectors, etc.
V. Certification and Compliance Information
ICT equipment is exported to global markets, and power adapters must meet the market access requirements of the target markets. Keyulong power adapters have obtained the following certifications (due to space limitations, only some certifications are shown):
Different countries and regions have different certification requirements for power supplies. Please select the corresponding certified version according to your target market.
Get Your ICT Equipment Power Solution
Key Account Hotline: 13590301618
Sales Inquiries: 18129821159
Website: www.szkeyulong.com
Search "Keyulong Power" on 1688 | Headquarters Address: Factory Building 401, No. 2 QinHui Road, Guxing Community, Xixiang Street, Bao'an District, Shenzhen


