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Page 111 / 118 Scroll up to view Page 106 - 110
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Severity
Level
Description
emergencies
0
The system is unusable.
alerts
1
Action must be taken immediately.
critical
2
Critical conditions
errors
3
Error conditions
warnings
4
Warnings conditions
notifications
5
Normal but significant conditions
informational
6
Informational messages
debugging
7
Debug-level messages
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Appendix A Hardware Specifications
Standards and Protocols
IEEE 802.3, 802.3u
TCP/IP, PPPoE, DHCP, ICMP, NAT, SNTP,HTTP,DNS
One 10/100 Auto-Negotiation WAN RJ45 port (Auto MDI/MDIX)
Three adjustable 10/100M Auto-Negotiation WAN/LAN RJ45 ports (Auto
MDI/MDIX)
Ports
One 10/100M Auto-Negotiation LAN RJ45 port (Auto MDI/MDIX)
10Base-T: UTP/STP of Cat. 3 or above
Transmission Medium
100Base-TX: UTP/STP of Cat. 5 or above
LEDs
PWR, SYS, Link/Act, WAN
Power
100-240V~ 50/60Hz 0.3A
Operating Temperature: 0ºC ~ 40ºC
Storage Temperature: -40ºC ~ 70ºC
Operating Humidity: 10% ~ 90%RH Non-condensing
Operating Environment
Storage Humidity: 5% ~ 90%RH Non-condensing
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Appendix B FAQ
Q1. What can I do if I cannot access the web-based configuration page?
1.
For the first login, please try the following steps:
1)
Make sure the cable is well connected to the LAN port of the Router. The corresponding LED
should flash or be solid light.
2)
Make sure the IP address of your PC is set in the same subnet addresses of the Router. It’s
recommended to set your PC to get the IP address automatically. Then the Router with DHCP
enabled can automatically assign the IP address to your PC. If you want to configure your PC
manually, please set 192.168.0.x ("x" is any number between 2 to 254) for the IP address and
255.255.255.0 for the Subnet Mask.
3)
Test the connection between your PC and TL-R470T+ via Ping command.
4)
If you still cannot access the configuration page, please restore your Router to its factory
default settings and try to log in again.
2.
If your management port has been changed, please log into the Router with the new address,
such as
(“XX” is the new management port number).
3.
If you had successfully logged into the Router before, but now you cannot access the Router. It’s
quite possible that the configuration of your Router has been changed by others, especially when
the Remote Web Management function is enabled. You’re recommended to restore your Router
and reconfigure the management port number and the username as well as the password for your
network security.
4.
If you cannot access the Router even after restoring the Router to its defaults, or your login is
dropped down just after a while, it’s quite possible that your Router is attacked by ARP cheating.
It’s recommended to locate and quarantine the source of ARP cheating so as to prevent your
network from the attacks.
5.
Check to see if you have configured the proxy server for IE browser. If so, please disable the IE
proxy server first.
Q2: What can I do if I forgot the username and the password of the Router? How to restore the
Router to its factory default settings?
You can restore the Router to its factory default settings by the
Reset
button. It must be noted that
once the Router is reset, all the current configuration settings will be lost.
With the Router powered on, use a pin to press and hold the
Reset
button (about 5 seconds). If the SYS
LED is flashing 5 times in high frequency, release the
Reset
button. It means the Router is restored
successfully. The default management address of the Router is
, and the default
username and the password are both
admin
.
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Q3: What can I do if the Router with the remote management function enabled cannot be
accessed by the remote computer?
1.
Make sure that the IP address of the remote computer is in the subnet allowed to remotely access
the router.
2.
If the router’s management port has been modified, please log into the Router with the new
address, such as http://192.168.0.1:XX (“XX” is the new management port number).
3.
Check to see if the management port has been mapped to the service port of the LAN host in the
Virtual Server function. If so, you should make a change in the router’s management port or virtual
server’s service port.
4.
Make sure that the NAT DMZ service is disabled.
Q4: Some function of the Router need to define the IP address subnet with Subnet Mask. What
are the common values of the Subnet Mask?
Subnet Mask is a 32-bit binary address used to distinguish the network address and the host address.
When dividing the network, the different Subnet Mask defines different subnet, and each subnet owns
different number of hosts.
After conversed from 32-bit binary address to decimal address, the common Subnet Mask values can
be 8 (which represents the default Subnet Mask value of class A: 255.0.0.0), 16 (which represents the
default Subnet Mask value of class B: 255.255.0.0), 24 (which represents the default Subnet Mask
value of class C: 255.255.255.0) or 32 (which represents the default Subnet Mask value of class D:
255.255.255.255).
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Appendix C Glossary
Glossary
Description
DSL(Digital Subscriber
Line)
A technology that allows data to be sent or received over
existing traditional phone lines.
ALG
（
Application Layer
Gateway
）
Application Level Gateway (ALG) is application specific
translation agent that allows an application on a host in one
address realm to connect to its counterpart running on a host in
different realm transparently.
ARP
（
Address Resolution
Protocol
）
Internet protocol used to map an IP address to a MAC address.
A
AH
（
Authentication Header
）
A security protocol that provides data authentication and
optional anti-replay services. AH is embedded in the data to be
protected (a full IP datagram).
DDNS
（
Dynamic Domain
Name Server
）
The capability of assigning a fixed host and domain name to a
dynamic Internet IP address.
DHCP
（
Dynamic
Host
Configuration Protocol
）
A protocol that automatically configure the TCP/IP parameters
for the all the PCs that are connected to a DHCP server.
DMZ
（
Demilitarized Zone
）
A Demilitarized Zone allows one local host to be exposed to the
Internet for a special-purpose service such as Internet gaming
or videoconferencing.
D
DNS
（
Domain Name
Server
）
An Internet Server that translates the names of websites into IP
addresses.
E
ESP
（
Encapsulating
Security Payload
）
Security protocol that provides data privacy services, optional
data authentication, and anti-replay services. ESP encapsulates
the data to be protected.
F
FTP
（
File Transfer
Protocol
）
Application protocol, part of the TCP/IP protocol stack, used for
transferring files between network nodes.
G
GMT
（
Greenwich Mean
Time
）
It is a term originally referring to mean solar time at the Royal
Observatory in Greenwich, London.

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