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T-Mobile 5G Gateway User Guide 

Page 

14

 

Need help? Visi

https://www.t-mobile.com/internethelp

 

or call T-Mobile customer service at 

1-844-275-9310 

or call Metro support service at 

1-888-8Metro8

 

 

 

Troubleshooting 

 

No Signal 

 
This LCD alert indicates there is no network signal, which could mean local cellular equipment is down for any number of reas ons, or 
the gateway may need to be re- positioned. 
 
If the connection does not improve in a reasonable amount of time, you can contact T- Mobile customer service or refer to the section 
“Manual Setup: Identify an Ideal Location”. 
 

Prevent Overheating 

 
Make sure that obstacles never obstruct air

flow vents on the top or bottom of the gateway’s enclosure. Allow at least 100mm/4in 

clearance on all sides of the enclosure. Ensure the gateway is at least 3 feet from baseboard heaters. 
 

T-Mobile 5G Gateway Does Not Start 

 
If the gateway does not start up, verify the provided power cord is connected to an outlet. If the gateway is connected to an outlet and 
power still does not start, contact T-Mobile technical support. 
 

Poor Internet Experience 

 
If you feel your overall internet experience is poor, try repositioning the gateway; refer to the section 
“Manual Setup: Identify an Ideal Location”. 
 

Forget Your Admin Password? 

 
If you configure a custom admin password and forget it, use the password reset function found within the T-Mobile Internet mobile app 
to reset the password to factory default. 

 
 

Summary of Contents for FAST 5688W

Page 1: ...User Guide FAST 5688W 5G Gateway...

Page 2: ...SAGEMCOM USA LLC 14651 North Dallas Parkway Suite 900 Dallas Texas 75254 Distributor T Mobile Inc T Mobile USA Inc All rights reserved T Mobile the T logo Magenta the magenta color and the T Mobile In...

Page 3: ...T Mobile 5G Gateway 6 Starting the T Mobile 5G Gateway 7 ConnectingDevices 7 Connecting Wi Fi Devices 7 Connecting Ethernet Devices 8 Viewing Connected Devices 8 Accessing Your Web GUI Graphical User...

Page 4: ...e ventilation openings Do not place anything on top of the product Unplug this equipment before cleaning Do not use liquid cleaners or aerosol cleaners Use a damp cloth for cleaning only Never insert...

Page 5: ...notice Getting to Know Your T Mobile 5G Gateway You will find the following items in the box Gateway Power adapter Quick Start Guide T Mobile Terms and Conditions Safety and Regulatory Notice The gat...

Page 6: ...urces such as radiators heat registers stoves or other heat producing appliances Heavy duty appliances or electronics such as microwave ovens and baby monitors Metal fixtures enclosures cabinets reinf...

Page 7: ...displays an animated T Mobile logo that indicates the gateway is starting up If this is your first time installing the gateway you will be instructed to download the mobile app Four small dots displa...

Page 8: ...apters or capabilities Viewing Connected Devices The Devices LCD screen on the front of the gateway shows the number of devices currently connected to the network by way of either Wi Fi or Ethernet To...

Page 9: ...quality of cellular signal strength gateway information and the QR code of Mobile app Connection status shows network status of the connected devices the gateway and the cellular network connection C...

Page 10: ...ask a question in our Community Forum Need more T Mobile support Simply call the number related to your service we re here to help Replacing the SIM Card The gateway comes with a pre installed SIM car...

Page 11: ...es 1 Power off the gateway by removing the power cable from the gateway and from the electrical outlet 2 Use the finger slide open the SIM door 3 The SIM card socket supports push in and push out inst...

Page 12: ...Page 12 Need help Visit https www t mobile com internethelp or call T Mobile customer service at 1 844 275 9310 or call Metro support service at 1 888 8Metro8 11 Slide the cover of the SIM card slot...

Page 13: ...5G Gateway to factory default deletes all configuration changes made since setup Using the Reset Port You can reset the gateway using a paperclip and the Reset port which is located on the device s bo...

Page 14: ...never obstruct airflow vents on the top or bottom of the gateway s enclosure Allow at least 100mm 4in clearance on all sides of the enclosure Ensure the gateway is at least 3 feet from baseboard heate...

Page 15: ...s Messages Press left or right arrow or on the LCD panel with your finger to move between screens The position of the illuminated dot on the bottom of the screen indicates where you are in the screen...

Page 16: ...the gateway This is true for both wireless and wired devices Messages These messages may come from the T Mobile network and may provide outage information or other important updates The Messages scre...

Page 17: ...support service at 1 888 8Metro8 4 Select DELETE to delete a message 5 When prompted a message of asking you to confirm deletion select YES to confirm Language Settings The gateway supports both Engli...

Page 18: ...y User Guide Page 18 Need help Visit https www t mobile com internethelp or call T Mobile customer service at 1 844 275 9310 or call Metro support service at 1 888 8Metro8 3 Press O OK on the panel to...

Page 19: ...ooth 5 0 Power adapter AC Power input 100 240V 2 5A DC 15V 50 60Hz Theoretical power consumption 36 W Wi Fi connectivity 11ax 4x4 2 4GHz 11ax 4x4 5GHz Security WPA2 WPA3 Buttons Power Button Reset rec...

Page 20: ...mer service at 1 844 275 9310 or call Metro support service at 1 888 8Metro8 Terms and Conditions t mobile com responsibility legal terms and conditions Privacy Policy t mobile com privacy center our...

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