NS3552-8P-2S-V2 User Manual  1 
Content 
Important information 4 
Chapter 1  Introduction 5 
Package contents 5 
Product description 5 
Product applications 9 
Product features 10 
Product specifications 14 
Chapter 2   Installation 19 
Hardware description 19 
Installing the industrial managed switch 26 
Cabling 29 
Chapter 3   Switch management 35 
Requirements 35 
Management access overview 35 
CLI mode management 36 
Web management 38 
SNMP-based network management 38 
Chapter 4   Web configuration 40 
Main web page 42 
System 43 
DHCP server 67 
UDLD 79 
Simple Network Management Protocol (SNMP) 81 
Port management 91 
Link aggregation 98 
VLAN 106 
Spanning Tree Protocol (STP) 131 
Multicast 149 
Quality of Service (QoS) 172 
Access Control Lists (ACL)   195 
Authentication 209 
Security 243 
MAC address table 259 
LLDP 265 
Network diagnostics 278 
Loop protection 283 
RMON 285 
Ring 294 
Power over Ethernet (PoE) 307 
Port identification 319