TP-LINK TL-ER5120 Multi-WAN Router User Manual

This manual provides configuration instructions, feature descriptions, and troubleshooting tips for the TP-LINK TL-ER5120 high-performance multi-WAN…

TP-LINK TL-ER5120 Multi-WAN Router User Manual - cover page
Brand
tl-er5120
Category
Router
Document type
User Manual
Language
Chinese
Pages
116
File format
PDF
File size
2.1 MB
Updated
25 October, 2026
Model
TL-ER5120
MD5 checksum
FD8FC00FAB9AB14D97D7B7560A962C99
PDF
TP-LINK TL-ER5120 Multi-WAN Router User Manual PDF

About this manual

The TP-LINK TL-ER5120 is a high-performance multi-WAN router designed specifically for internet cafes, residential areas, and hotels. It features a 64-bit network processor with a 500MHz clock speed and 128MB of DDR II-533 memory, supporting a typical load of 250-350 clients. The device includes advanced security features to defend against LAN and WAN attacks, such as ARP spoofing and DoS attacks, and offers flexible bandwidth management and traffic control. This manual is written in Chinese.

What's inside

  • Product Introduction
  • Configuration Guide
  • Function Settings
  • Typical Configurations
  • Command Line Interface
  • FAQ
  • Specifications

Specifications

Processor64-bit network processor, 500MHz
Memory128MB DDR II-533
Ethernet Ports5 x 10/100M adaptive
DMZ Port1 x Hardware DMZ
Console Port1 x Console
CoolingFanless silent design
Chassis1U steel shell, 19-inch rack
Typical Load250-350 clients

Frequently asked questions

What is the typical client load for this router?

The typical load is 250-350 clients in an internet cafe environment.

Does the router support fanless operation?

Yes, it features a fanless silent design with natural heat dissipation.

What security features are included against LAN attacks?

It supports IP/MAC binding to prevent ARP attacks and free ARP packet sending to avoid ARP spoofing.

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