User manual
MF275U Wireless Router
User Manual
ZTE CORPORATION
NO. 55, Hi-tech Road South, ShenZhen, P.R.China
Postcode: 518057
Tel: +86-755-26779999
URL: http://www.ztedevice.com
E-mail: mobile@zte.com.cn
LEGAL INFORMATION
Copyright © 2014 ZTE CORPORATION.
All rights reserved.
No part of this publication may be excerpted, reproduced, translated or utilized in any form or by
any means, electronic or mechanical, including photocopying and microfilm, without the prior
written permission of ZTE Corporation.
The manual is published by ZTE Corporation. We reserve the right to make modifications on print
errors or update specifications without prior notice.
Version No. : R1.0
Edition Time: May22, 2014
Manual No.:
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Getting Started
The router operates on the LTE and CDMA networks and supports voice and data service.
Interface Description
1. micro-SIM card slot
Insert your micro-SIM card.
2. Reset button
Reset your router.
3. External Antenna Connector
To get strength SIG.
4. WPS button
This button is used to start/end Wi-Fi Protected Setup
authentication process and enable/disable the Wi-Fi function.
Hold it for 3 seconds to activate the WPS function.
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When the WPS function is available, press it to deactivate the
WPS function.
Press it to enable/disable Wi-Fi WPS function.
5. Phone
Standard RJ11 connector for telephone.
6. LAN
Ethernet connector to computer.
7. Power Socket
Connector to the external power supply.
8. Power Switch
Turn your router on or off.
9. Indicators
Indicate the status of your router.
Indicators
Indicator
State
Description
Power
Green steady
AC power present
Off
No power
VoiceMail
Green steady
New voicemail waiting
Off
No new voicemail
Battery
Green steady
More than 50% discharging(charger not present)
Green blinking
More than 50% charging(charger present)
Yellow steady
20% ~50% discharging(charger not present)
Yellow blinking
20% ~50% charging(charger present)
Red steady
Less than 20% discharging(charger not present)
Red blinking
Less than 20% charging(charger present)
Off
Battery not present
Wi-Fi
Green steady
Wi-Fi on.
Off
Wi-Fi off.
Data network
Green steady
Connected to the LTE network
Yellow steady
Connected to CDMA 1x or EVDO
Yellow blinking
Roaming
Red steady
No service, limited service, searching, no micro-SIM card or
other abnormal status
Voice RSSI
Green steady
Strong(3,4&5bars) SIG
Green blinking
Roaming
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Yellow steady
Weak(1&2bars) SIG
Yellow blinking
Roaming
Red steady
No service, limited service, searching
Installing your router
1. Slide the back cover and remove it.
2. Install the battery.
3. Install the micro-SIM card.(Optional)
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IMPORTANT:
Your device only supports the micro-SIM card. To avoid damaging the device, please use standard
micro-SIM cards.
Charge your router
You can charge your router by using adapter.
1. Insert the charger lead carefully with the plug arrow facing the bottom of the router.
2. Do not use excessive force to insert the plug.
3. Make sure the plug is the right way round and lined up correctly and insert it gently.
Connecting Your Router
NOTE:
If you want to use the mobile network to connect to Internet, you need to insert your micro-SIM card first.
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Switching on Your Router
1. Press and hold the Power Key to get started. Make sure that the power indicator is on.
NOTE:
Do not put anything on the top of the router. Do not lay routers to overlap each other during usage.
2. Wait 1～2 minutes after turning the router on before you use the service. The data network indicator
should be lit on.
NOTE:
When the router is turned off, an incoming caller will hear the prompt like “The number you have
dialed is currently unavailable.”
If the data network indicator is red blinking constantly, try to move the router to another location. The
router takes 1~2 minutes to initialize, attach to the network and obtain an IP address.
Power Supply
For normal operation, connect the router to the external power adapter. In case of power failure or when
there is no available external power supply, the router will not work.
About (U)SIM Card
Avoid handling the (U)SIM card unnecessarily. Hold the card by the edges to prevent static damage. Keep
the (U)SIM card away from electrical and magnetic appliances.
If you cannot get service, make sure that：
• You are in an area which has network coverage.
• You are using the correct (U)SIM card.
Internet Access
Configuring Your PC
Follow the following steps and figures for Windows XP to configure the Internet Protocol for
your connection.
NOTE:
Wireless Network Connection is used for Wi-Fi connection.
Local Area Connection is used for Network Cable connection.
1. Right-click My Network Places and then select Properties.
2. Right-click the icon for Connection, and then select Properties.
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3. Select Internet Protocol(TCP/IP), and then click Properties.
4. Select these two items, and then click OK to finish the configuration.
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Wireless Connection
（
Optional
）
If you want to use Wi-Fi to connect your router, please refer to the following steps.
1. Make sure that the Wi-Fi network works normal. Please check the Wi-Fi Setting on the WebGUI
Configuration page or check the Wi-Fi indicator .
2. Use your normal Wi-Fi application on the client to search for the available wireless networks.
NOTE:
Please set the client to obtain an IP address automatically, and the client will get an IP address
like “192.168.1.100”.
3. Select the SSID of your router, and then click Connect.
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4. Input the password, and then click Connect.
NOTE:
There may require the password for Wi-Fi connection. Please check the label on your router to get the
default.
5. Wait a moment, and then the client will connect to your router successfully.
Accessing the Internet
Before accessing the Internet, please make sure:
Your router is connected via network cable or Wi-Fi.
Your PC is configured.
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WebGUI Configuration
To access the Internet:
1. Log in the WebGUI Configuration Page.
1) Launch the Internet browser and enter http://192.168.1.1 or http://uscc.hotspot in the
address bar. The login page appears.
2) Input the password (for the default password, please check the label on your router), and
then click Login.
2. Select current mode Change.
NOTE:
If you select Bridge mode, you need to connect your clients to the LAN ports via Ethernet cable, and
use normal methods to surf directly on your clients. If you want to use other operation mode after
Bridge, you need to pull up the network cable connector and reset your router.
3. Configure Settings.
NOTE: This step is used for Cable Broadband mode and Wireless Broadband mode.
For Cable Broadband mode
Please select PPPoE, set the PPPoE parameters, and then click Connect.
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NOTE：Your service provider gives you the User Name and Password.
Please select Static, input all the parameters, and then click Apply.
NOTE：Your service provider gives you the static address information.
Please select DHCP, and then click Apply.
NOTE：Your service provider does not give you any parameters.
For Wireless Broadband mode
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Please select the Wireless Broadband mode, and click Apply.
On this mode, you need to using your (U)SIM card to enjoy your Internet service. You can
change dial-up settings, network selection and APN.
Voice Function
Making a Call
You have two ways to make a call:
To make a call:
1. Pick up the handset.
2. Key in the telephone number.
3. You can either press # key on the telephone to send the call, or wait 4～8 seconds for the call to be
connected automatically.
4. The call will be connected.
NOTE:
If there is no SIG indication, the radio signal is unavailable. Change the location of the router and make
sure nothing is blocking it.
Answering a Call
When the phone rings, pick up the handset to answer it. If the telephone has hands-free function you
also can answer the call by pressing the Hands-free button. Press the Hands-free button again to end
the call.
Settings
Do not modify any settings unless instructed by your service provider.
Please disconnect the router from the network before changing the settings.
Network Settings
Dial-up Settings
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After the client is connected to your router successfully, you can access the Internet in the
Automatic or Manual mode. The default mode is Automatic.
Mode
Operations
Automatic
Your router will connect to the Internet automatically, and your clients can surf on
the Internet directly.
Manual
Log in the webGUI configuration page, and select Settings > Network Settings >
Dial-up Settings > Manual (To change current setting, please disconnect from
network), then Apply.
Network Selection
Select Settings > Network Settings > Network Selection, you can change network selection the mode as
follows:
APN
To connect to the Internet you can use the default Access Point Names (APNs) in Auto/Manual mode,
select Settings > Network Settings > APN.
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Create a new APN selecting the Manual mode, then Add New.
Wi-Fi Settings
Basic settings
Select Settings > Wi-Fi Settings > Main SSID / Guest SSID, the wireless network basic parameters are
shown in the following figure:
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Main / Guest Switch: Enable or disable multi SSID.
Network Name(SSID): Service Set Identifier (SSID). Enter a string less than 32 characters as
the name for your wireless local area network (WLAN).
Broadcast Network Name(SSID): Disable or Enable (Default) this function. If Enable is
selected, the router broadcasts the SSID, and other routers can detect and connect to it. If
Disable is selected, the other routers cannot detect the router. You can only connect to the router
by manual setting.
AP Isolation: When Enabled is selected, each of your wireless clients will not be able to
communicate with each other. When Disable is selected, each of your wireless clients will be
able to communicate with each other.
Security Mode: The security modes are described below:
1. OPEN: You can authenticate successfully with a SSID, whether it is valid or empty.
2. WPA-PSK/WPA2-PSK: Apply both the WPA-PSK and WPA2-PSK scheme.
3. WPA2(AES)-PSK: It is the securer version of WPA with implementation of the 802.11i
standard.
If the Authentication type is WPA2(AES)-PSK or WPA-PSK/WPA2-PSK , the bottom part of the
configuration page displays WPA parameters.
Max Station Number: Set the maximum numbers of wireless network connecting to the router.
Advanced settings
Select Settings > Wi-Fi Settings > Main SSID / Guest SSID，you can set the band selection, network
mode, channel bandwidth and etc.
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Black List
Select Settings > Wi-Fi Settings > Black List, to able or disable black list.
WPS
Select Settings > Wi-Fi Settings > WPS, select WPS mode, the two modes are described below:
PIN: Set the client's PIN code in client PIN field.
PBC: Press the WPS button of the router or select PBC, and then click Apply. Press the WPS
button on the client wireless adapter within two minutes, and the negotiation process will be
established.
Router settings
Voice Capability
Set to enable voice capability switch.
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Account management
Set the account password.
Reset
Set all the settings to their factory default values, and then
the router will restart automatically.
Restart
To restart the router.
Power Save
Set to save your router’s battery power.
SNTP
Set the time of the router
Software update
To upgrade the software version of the router
NOTE:
Three times consecutive wrong PIN code entries will block the (U)SIM card. To unlock it, you need the
PUK code. The PIN code and PUK code may be offered together with the (U)SIM Card. If not, please
contact with network operator.
Firewall
You may setup firewall rules to protect your network from virus, worm and malicious activity on the
Internet.
NOTE:
You can set the maximum 10 filtering items for MAC/IP/Port Filtering, URL Filtering and Port
Forwarding.
MAC/IP/Port Filtering
Select Settings > Firewall > Port Filtering, the Mac/IP/Port Filtering is shown in the following figure:
If you select Enable, then Apply the filter settings will appear:
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Default Policy: Set how to handle the packet if none of the rules matches.
IP Setting: Select the Internet Protocol version.
MAC address: Set the MAC address that will be filtered.
Source IP Address: Set the source IP address that will be filtered.
Dest. IP Address: Set the destination IP address that will be filtered.
Protocol: Set which protocol will be used for filtering.
Action: Set how to handle the packet if it matches with the rule.
Comment: Type comment for the filter settings.
NOTE:
Filtering rules are matched one by one, if met this provision, it will not continue to match the rules listed
below.
To add a new rule:
1. Input the detail information in the Mac/IP/Port Filtering area.
2. Click Apply in the Mac/IP/Port Filtering area.
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To delete a rule:
Select the rule in the Current Mac/IP/Port Filtering rules in the system area, then Click Delete.
Port Forwarding
You can setup virtual servers to provide services on the Internet. Select Firewall > Port Forwarding, the
virtual server settings is shown in the following figure:
If you select Enable, then Apply the Virtual Server Settings will appear:
IP Address: Set IP address for the virtual server.
Port Range: Set port numbers for the virtual server.
Protocol: Set protocol for the virtual server.
Comment: Type comment for the virtual server settings.
Click Apply to confirm your configuration.
To delete a virtual server:
Select the virtual server in the Current Virtual Servers in the system area, then Click Delete.
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URL Filtering
You can setup content filter to restrict the improper content access. Select Firewall > URL Filtering, the
URL Filtering is shown in the following figure:
Type a URL address, and then click Apply to add the URL address into the filtering list. The new URL
filtering item will be shown in the Current URL Filtering field. To delete a URL filtering item, select
the URL in the Current URL Filtering area, then Click Delete.
UPnP
It allows the router to advertise its UPnP capabilities. Select Firewall > UPnP, select Enable.
DMZ
You can set up a De-militarized Zone (DMZ) to separate internal network with the Internet. Select
Firewall > DMZ, the DMZ setting is shown in the following figure:
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If you select Enable, set the DMZ IP Address, and then click Apply to confirm your configuration.
Router Settings
Select Settings > Router settings the router information is shown in the following figure:
IP Address: IP address for LAN interface.
Subnet Mask: Subnet mask for the IP address.
DHCP Server: Enable or disable DHCP Server function.
DHCP IP Pool: Allocate begin and end IP address for IP pool.
DHCP Lease Time: Define how long the leased IP address will be expired, and will relocate
new IP address.
Click Apply to confirm your configuration.
WPS Function
Your router supports WPS function. You can use this function to connect the client to your
router.
1. Power on your router, and enable the Wi-Fi function on your router.
2. Enable the WPS function. Please check the WPS Setting on the homepage.
3. Press the WPS button on your router to start Wi-Fi Protected Setup authentication process.
4. Enable the WPS function on your client to respond to this authentication process.
5. Follow the system prompts on your client to finish the connection.
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Warning and Notice
Safety Precautions
• Some electronic routers may be susceptible to electromagnetic interference. Locate the router away
from TV set, radio and other electronic equipment to avoid electromagnetic interference.
• The router may interfere with medical routers like hearing aids and pacemakers. Consult a physician
or the manufacturer of the medical router before using the router.
• Please keep yourself at least 20 centimeters away from router.
• Do not use your router in dangerous environments such as oil terminals or chemical factories where
there are explosive gases or explosive products being processed.
• Please use original accessories or accessories that are authorized by ZTE. Unauthorized accessories
may affect the router performance, damage the router or cause danger to you.
• Do not attempt to dismantle the router. There are no user serviceable parts.
• Do not allow the router or accessories to come into contact with liquid or moisture at any time. Do
not immerse the router in any liquid.
• Do not place objects on top of the router. This may lead to overheating of the router.
• The router must be placed in ventilation environment for use.
• Do not expose the router to direct sunlight or store it in hot areas. High temperature can shorten the
life of electronic routers.
• Do not allow children to play with the router or charger.
• Keep the length of the cable between the router and the phone less than 10 meters.
• The router is for indoor use only. Do not use the router outside. Do not connect telephone extensions
which run outside of the building. These can result in lightning damage to your unit.
Cleaning and Maintaining
• Use an antistatic cloth to clean the router. Do not use chemical or abrasive cleanser as these could
damage the plastic case. Turn off your router before you clean it.
• Use the router within the temperature range of -10℃ ～ +55℃, and the storage temperature range is
-20℃ ～+65℃. The humidity range is 5%~95%.
• Do not use your router during a thunderstorm. Remove the mains power pack from the wall socket.
• Do not take out your (U)SIM card unnecessarily. The (U)SIM card may be easily lost or it can be
damaged by static electricity.
Limited Warranty
• This warranty does not apply to defects or errors in the Product caused by:
i. Reasonable abrasion.
ii. End User’s failure to follow ZTE’s installation, operation or maintenance instructions or
procedures.
iii. End User’s mishandling, misuse, negligence, or improper installation, disassembly, storage,
servicing or operation of the Product.
iv. Modifications or repairs not made by ZTE or a ZTE-certified individual.
v. Power failures, surges, fire, flood, accidents, actions of third parties or other events outside ZTE’s
reasonable control.
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vi. Usage of third-party products, or usage in conjunction with third-party products provided that
such defects are due to the combined usage.
vii. Any other cause beyond the range of normal usage intended for the Product.
End User shall have no right to reject or return the Product, or receive a refund for the Product from
ZTE under the above-mentioned situations.
• This warranty is End User’s sole remedy and ZTE’s sole liability for defective or nonconforming
items, and is in lieu of all other warranties, expressed, implied or statutory, including but not limited
to the implied warranties of merchantability and fitness for a particular purpose, unless otherwise
required under the mandatory provisions of the law.
Limitation of Liability
ZTE shall not be liable for any loss of profits or indirect, special, incidental or consequential damages
resulting from or arising out of or in connection with using of this product, whether or not ZTE had been
advised, knew or should have known of the possibility of such damages, including, but not limited to lost
profits, interruption of business, cost of capital, cost of substitute facilities or product, or any downtime
cost.
RF Exposure Information
This device meets the government’s requirements for exposure to radio waves.
This device is designed and manufactured not to exceed the emission limits for exposure to radio
frequency (RF) energy set by the Federal Communications Commission of the U.S. Government.
This device complies with FCC radiation exposure limits set forth for an uncontrolled environment. In
order to avoid the possibility of exceeding the FCC radio frequency exposure limits, human proximity to
the antenna shall not be less than 20cm (8 inches) during normal operation.
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FCC Compliance
This device complies with part 15 of the FCC Rules. Operation is subject to the following two
conditions: (1) This device may not cause harmful interference, and (2) this device must accept
any interference received, including interference that may cause undesired operation.
Caution: Changes or modifications not expressly approved by the manufacturer could void the
user’s authority to operate the equipment.
NOTE: This equipment has been tested and found to comply with the limits for a Class B digital
device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable
protection against harmful interference in a residential installation. This equipment generates,
uses and can radiate radio frequency energy and, if not installed and used in accordance with the
instructions, may cause harmful interference to radio communications. However, there is no
guarantee that interference will not occur in a particular installation. If this equipment does cause
harmful interference to radio or television reception, which can be determined by turning the
equipment off and on, the user is encouraged to try to correct the interference by one or more of
the following measures:
—Reorient or relocate the receiving antenna.
—Increase the separation between the equipment and receiver.
—Connect the equipment into an outlet on a circuit different from that to which the receiver is
connected.
—Consult the dealer or an experienced radio/ TV technician for help.
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Troubleshooting
Voice Related Problems
Symptoms
Possible Problems/ Solutions
No Dial Tone.
Please wait for 1~2 minutes after the router is turned
on.
If SIG LED light is blinking, you have no good RF
reception. Change the location of the router.
There is a prompt/ phone alert/ announcement as soon as I
lift the phone off the hook.
Make sure your (U)SIM card is inserted correctly and
the PIN number has been entered. If the PIN number has
been entered incorrectly then you will need to enter the
PUK code when prompted.
The line is noisy/ distorted when I lift the phone off the
hook.
Remove any electrical appliance which is too close
to the phone or router.
The cable or phone set might be faulty.
I hear a rapid engaged tone as soon as I lift the phone off
the hook.
Put the phone on hook and try again. If you are
connected to the Internet using the 2G (GSM) network,
please disconnect this first.
After dialing the last digit I hear nothing /silence.
When you have finished dialing you can press the # key
or wait 4-8 seconds to connect the call.
Can not make or receive a call when surfing on the
Internet.
If you are connected using the 2G (GSM) network then
you cannot surf the net and make a phone call
simultaneously. Please disconnect the internet and wait
30 seconds to 1 minute before making a call.
Internet Related Problems
Symptoms
Possible Problems/ Solutions
Cannot access the Internet at all.
Please check your configuration settings.
Please wait 1~ 2 minutes for the router to initialize.
Check your service indicator LED’s.
The download or upload speeds are very slow.
The speed is dependent on signal strength. Check your
signal strength and network type.
Cannot visit the webGUI configuration page
Enter the correct address. The default address is
http://192.168.1.1 or http://uscc.hotspot.
Only use one network adapter in your PC.
Do not use any proxy server.
Can not establish the Wi-Fi connection between your
router and client
Make sure the Wi-Fi function is active. Press the
WPS button to enable Wi-Fi WPS function.
Refresh network list and select the correct SSID.
Check the IP address to make sure your client can
obtain an IP address automatically in the Internet
protocol (TCP/IP) properties.
Type the correct network key (Wi-Fi password)
when you connect to the router.
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Others
Symptoms
Possible Problems/ Solutions
The RSSI signal indicator is always blinking or does not
light.
This indicates poor reception. Try moving the router to
another location near the window.
About the password
For the default password of the webGUI
configuration page and Wi-Fi connection password,
please check the label on the router.
If you changed the password and forgot the new
password, you need to restore the router to the factory
default settings.
For more assistance, please:
• Sending an E-mail to mobile@zte.com.cn
• Visiting www.ztedevice.com
• Calling the service hotline +86–755–26779999