Comtrend Corporation ER-5845n User manual

Contents
CHAPTER 1 PRODUCT INTRODUCTION......................1
1.1 Package Contents ..................................1
1.2 LED Indicators and Port Description..........1
CHAPTER 2 PRODUCT INSTALLATION........................4
CHAPTER 3 HOW TO CONFIGURE TOACCESS THE
INTERNET.............................................................................6
3.1 How to Set the Network Configurations.....6
3.2 Log in to the Router ............................. 11
3.3 Fast Internet Access............................. 11
3.4 Fast Encryption.................................... 11
CHAPTER 4 ADVANCED SETTINGS..............................13
4.1 System Status..................................... 13
4.2 WAN Settings...................................... 14
4.3 LAN Settings....................................... 16
4.4 DNS Settings....................................... 16
4.5 WAN Medium Type ............................... 17
4.6 Bandwidth Control ............................... 18
4.7 Traffic Statistics................................... 19
CHAPTER 5 WLAN SETTINGS .......................................20
5.1 Wireless Basic Settings......................... 20
5.2 Wireless Security Settings..................... 21
5.2.1 WPS Settings.................................... 22
5.2.2 WPA- PSK ........................................ 22
5.2.3 WPA2- PSK....................................... 23
5.3 Wireless Access Control ........................ 23
5.4 Connection Status................................ 23

CHAPTER 6 DHCPSERVER.............................................24
6.1 DHCP Server....................................... 24
6.2 DHCP Client List................................... 24
CHAPTER 7 VIRTUALSERVER......................................25
7.1 Port Range Forwarding.......................... 25
7.2 DMZ Settings ...................................... 27
7.3 UPNP Settings ..................................... 27
CHAPTER 8 SECURITY SETTINGS ...............................29
8.1 Client Filter Settings............................. 29
8.2 MAC Address Filter............................... 30
8.3 URL Filter Settings ............................... 30
8.4 Remote Web Management..................... 31
CHAPTER 9 ROUTING SETTINGS.................................32
9.1 Routing Table ...................................... 32
9.2 Static Routing...................................... 32
CHAPTER 10 SYSTEM TOOLS........................................33
10.1 TIME SETTINGS ..................................... 33
10.2 DDNS............................................... 33
10.3 Backup/Restore ................................. 34
10.4 Restore to Factory Default ................... 35
10.5 Upgrade............................................ 35
10.6 Reboot the Router.............................. 36
10.7 Password Change............................... 36
10.8 Syslog.............................................. 36
10.9 Log out............................................. 36
APPENDIX 1 GLOSSARY..................................................37
APPENDIX 2 PRODUCT FEATURES..............................38
APPENDIX 3 FAQ ...............................................................39

APPENDIX 4 CLEAR WIRELESS CONFIGURATION.41
APPENDIX 5 REGULATORY INFORMATION .............43

1
Chapter 1 Product Introduction
Thank you for purchasing the ER-5840n/ER-5845n Wireless N Broadband Router!
This easy-to-use router provides simple configuration interface which enables you to
configure it with ease. It is based on the latest IEEE802.11n standard, and is backward
compatible with devices of IEEE802.11b/g standards.
The ER-5840n/ER-5845n wireless router，including router, wireless AP, four-port switch and
firewall in one，provides powerful online monitor function and supports URL filter and MAC
filter. With WDS function, it can repeat and amplify wireless signals so as to enlarge
network coverage area. It truly supports UPnP and WMM to make your audio and video
smoother. With QoS function, it can efficiently distribute the downloading rate for the clients.
With super compatibility, the router can break the access limits in some areas so that
multiple computers can share the Internet access.Additionally, it supports WISP function to
access to the ISP’s wireless hotspots (this function applies only to some of the products).
1.1 Package Contents
Please verify the following items after you open the package:
¾One Wireless N Broadband Router
¾One Quick Installation Guide
¾One Power Adapter
¾One Software CD
If any of the listed items are missing or damaged, please contact the ER-5840n/ER-5845n
reseller for immediate replacement.
1.2 LED Indicators and Port Description
Panel and LED indicators show:
LED indicator description on the front panel

2
Back panel port show (take ER-5840N/ER-5845N as an example)

3
Back panel port description

4
Chapter 2 Product Installation
In this user guide, we take ER-5840N/ER-5845N as an example to explain the installation
steps. The installation steps of other products are similar to this one.
1. Please use only the included power adapter to power your router. (NOTE: Use of an
unmatched power adapter could cause damage to this product).
2. Please connect the router’s LAN port to your computer with an Ethernet cable as shown
below.
3. Please connect your broadband line provided by your ISP to the router’s WAN port.

5
4. Insert the included software CD into the CD drive of your computer. After the software
automatically initiates, double click the “Setup” icon and follow the instructions to complete
the installation. You can also enter the router’s Web-based Utility to complete the
configuration.

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Chapter 3 How to configure to access the Internet
3.1 How to Set the Network Configurations
Network Configurations under windows XP
1. Right click “My Network Places” on your computer desktop and select “Properties”.
2. Right click “Local Area Connection” and select “Properties”.
3. Select “Internet Protocol (TCP/IP)” and click “Properties”.