I. Typical Application Scenarios for ICT Equipment Power Supplies

ICT equipment covers a wide range, mainly including network communication equipment, display equipment and data transmission equipment. The 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 Specification and Equipment Matching Guide

According to the power requirements and power interfaces of ICT equipment, Keyulong offers the following standard power adapters: More product details>>

III. Power Supply Selection Recommendations for Different Scenarios

IV. Product Form and Interface Description

V. Certification and Compliance Information

For ICT equipment exported to global markets, power adapters must meet the access requirements of the target markets. Keyulong power adapters have passed the following certifications (due to space limitations, only a partial list is shown, learn more>>):

VI. Frequently Asked Questions :

Q1: What are the typical applications of ICT equipment power adapters? 

A: Widely used in routers, switches, optical modems, set‑top boxes, LED displays, servers, NAS storage, industrial gateways, wireless APs, communication base stations and various other network communication and data transmission equipment. 

 Q2: How to choose a power adapter for a router?

 A: First confirm the output voltage and current (common ones are 5V1A, 9V1A, 12V1A, 12V1.5A, etc.), then confirm the DC interface specification (common ones are 5.5×2.1mm, 5.5×2.5mm, Type‑C, etc.). It is recommended to choose products from regular manufacturers to ensure stability and reliability. 

 Q3: Can a 12V1A and a 12V2A switch power adapter be used interchangeably?

 A: When the voltage is the same, a higher‑current adapter can replace a lower‑current one (2A can replace 1A), but a lower‑current one cannot replace a higher‑current one, otherwise insufficient power supply may cause device instability.

 Q4: What certifications are required for ICT equipment power adapters? 

A: CCC certification is required for domestic sales in China; CE is required for export to the EU; UL/FCC for the US; UKCA for the UK. Keyulong's full range of products is certified with multiple national standards, meeting various export requirements.

 Q5: What is the difference between industrial‑grade power adapters and ordinary ones? 

A: Industrial‑grade power supplies have a wider operating temperature range (typically -20℃~60℃), stronger anti‑interference capability, and higher EMC levels, making them suitable for harsh environments such as industrial settings, outdoor equipment, and communication base stations. 

 Q6: How long has Shenzhen Keyulong Technology been manufacturing power supplies for ICT equipment?

 A: Keyulong has 15 years of R&D and manufacturing experience in power adapters, focusing on power solutions for ICT equipment, security surveillance, LED lighting, medical equipment and other fields. It has an 8,000㎡ production base in Boluo, Huizhou, with a monthly capacity of over 1 million units.