5G CPE
UF51
Quick Start Guide
Safety Precautions
Milesight will not shoulder responsibility for any loss or damage resulting from not following the instructions of this operating guide.
- The device must not be modified in any way.
- Do not place the device close to objects with naked flames.
- Do not place the device where the temperature is below/above the operating range.
- Do not power on the device or connect it to other electrical devices when installing.
- Check lighting and water protection when used outdoors.
- Do not connect or power the equipment using cables that have been damaged.
Related Documents
This Start Guide only explains the installation of Milesight UF51 CPE. For more functionality and advanced settings, please refer to the relevant documents as below.
| Document | Description |
| UF51 Datasheet | Datasheet for UF51 5G CPE. |
| UF51 User Guide | Users can refer to the guide for instruction on how to log in the web GUI, and how to configure all the settings. |
The related documents are available on Milesight website: https://www.milesight-iot.com
Declaration of Conformity
UF51 are in conformity with the essential requirements and other relevant provisions of the CE, FCC, and RoHS.
© 2011-2022 Xiamen Milesight IoT Co., Ltd.
All rights reserved.
All information in this guide is protected by copyright law. Whereby, no organization or individual shall copy or reproduce the whole or part of this user guide by any means without written authorization from Xiamen Milesight IoT Co., Ltd.
For assistance, please contact
Milesight technical support: Email: [email protected]
Tel: 86-592-5085280
Fax: 86-592-5023065
Address: Building C09, Software Park III, Xiamen 361024, China
Revision History
| Date | Doc Version | Description |
| July 28, 2021 | V 1.0 | Initial version |
| Dec. 1, 2021 | V 1.1 | Update cellular pictures |
Packing List
Before you begin to install the UF51, please check the package contents to verify that you have received the items below.
If any of the above items is missing or damaged, please contact your sales representative.
Hardware Introduction
Overview
| 1 LED Indicator Area STATUS: Power & System Indicator 5G: Cellular Indicator 2 Waterproof Connector 3 SIM Slot 4 Reset Button | 5 Vent Plug 6 LAN2 Port 7 Bracket Mounting Screws 8 Serial & IO & Power Interface 9 LAN1/WAN Port (PoE PD) |
Dimensions (mm)
Serial & IO & Power Pinouts
| PIN | RS232 /RS485 | DI | DO | Power | Description |
| 1 | IN | — | Digital Input | ||
| 2 | GND | GND | — | — | Ground |
| 3 | — | — | — | (-) | Negative |
| 4 | — | — | — | (+) | Positive (9-48V) |
| 5 | — | — | COM | — | Common Ground |
| 6 | — | — | OUT | — | Digital Output |
| 7 | RXD/B | — | — | — | RS232-RXD RS485-B |
| 8 | TXD/A | — | — | _ | RS232-TXD RS485-A i |
LED Indicators
| LED | Indication | Status | Description |
| STATUS 5G | Power & System Status | Off | The power is switched off |
| Orange | Static: The system is startup | ||
| Green | Static: The system is running properly | ||
| Red | Static: The system goes wrong | ||
| Cellular Status | Off | SIM card is registering or fails to register (or there are no SIM cards inserted) | |
| Green | Blinking slowly: SIM card has been registered and is ready for dial-up | ||
| Blinking rapidly: SIM card has been registered and is dialing up now | |||
| Static: SIM card has been registered and dialed up to 5G network | |||
| Orange | Static: SIM card has been registered and dialed up to 4G network | ||
| Ethernet Port | Link Indicator ( Orange ) | Off | Disconnected or connect failure |
| On | Connected | ||
| Blinking | Transmitting data | ||
| Rate Indicator ( Green ) | Off | 100 Mbps mode | |
| On | 1000 Mbps mode |
| Function | Description | |
| STATUS & 5G LED | Action | |
| Reset | Static | Press and hold the reset button for more than 5 seconds. |
| Static → Blinking | Release the button and wait. | |
| Off → Static Green | The device resets to factory default. | |
Power Supply
UF51 can be powered by 802.3af standard PoE or 9-48VDC. Both power supplies can’t be used at the same time.
PoE Supply: Follow the below picture to provide power supply via PoE injector. Besides, UF51 can also be powered by PoE switch.
DC Supply: Connect the DC power cable to terminal block, then connect the terminal block to DC interface to power the device.
Hardware Installation
SIM Card Installation
Insert the SIM card into the device according to the direction icon on the device. If you need to take out the SIM card, press into the SIM card and it will pop out automatically.
Waterproof Cover & Ethernet Cable Installation
If you need to use UF51 outdoors, the waterproof cover and cable gland should be installed under the bottom of the device.
A. Install the rubber ring into the bottom of the device. Note that the round part needs to face the gap of bottom when installing, otherwise it may cause waterlogged.
B. Connect a round Ethernet cable to LAN1/WAN port, then pass the Ethernet cable through all parts of the cable gland and the bottom cover.
C. Fix the bottom cover to the bottom of the device with 4 screws.Note that the arrow behind the cover needs to face the bracket mounting screws.
Note: Bottom cover can be fixed with the device via the wiring behind the cover.
Device Installation
UF51 supports multiple installation methods like desktop, wall mounting, pole mounting, etc. Before you start, make sure that your SIM card has been inserted and all cables have been installed. Note: Do not connect device to power supply or other devices when installing.
Desktop
When using indoors, pile 4 rubber feet into the gaps at the bottom of the device. The rough surface of rubber feet should face desktop.
Wall Mounting
Preparation: mounting bracket(with 2 screws), wall plugs, wall mounting screws and other required tools.
A. Align the mounting bracket horizontally to the desired position on the wall, use a marker pen to mark four mounting holes on the wall, and then remove the mounting bracket from the wall.
Note: The connecting lines of adjacent points are at right angles.
B. Drill four holes with a depth of 32 mm by using your drill with a 6 mm drill bit on the positions you marked previously on the wall.
C. Insert four wall plugs into the holes respectively.
D. Mount the mounting bracket horizontally to the wall by fixing the wall mounting screws into the wall plugs.
E. Hang the device to the mounting bracket via bracket mounting screws on the back of device, then screw the 2 bracket screws to the bottom of the device.
Pole Mounting
Preparation: mounting bracket(with 2 screws), hose clamps and other required tools.
A. Loosen the hose clamp by turning the locking mechanism counter-clockwise.
B. Straighten out the hose clamp and slide it through the rectangular rings in the mounting bracket, wrap the hose clamp around the pole.
C. Use a screwdriver to tighten the locking mechanism by turning it clockwise.
D. Hang the device to the mounting bracket via bracket mounting screws on the back of device, then screw the 2 bracket screws to the bottom of the device.
Log in the Web GUI
UF51 provides web-based configuration interface for management. If this is the first time you configure the device, please use the default settings below:
IP Address: 192.168.1.1
Username: admin
Password: password
Wireless Access
A. Enable Wireless Network Connection on your computer and search for access point “Router_******” to connect it.
B. Open a Web browser on your PC (Chrome is recommended) and type in the IP address 192.168.1.1 to access the web GUI.
C. Enter the username and password, and click “Login”.
If you enter the username or password incorrectly more than 5 times, the login page will be locked for 10 minutes.
D. When you login with the default username and password, you will be asked to modify the password.
It’s suggested that you change the password for the sake of security. Click “Cancel” button if you want to modify it later.
E. After you login the Web GUI, you can view system information and perform configuration on the device.
Wired Access
Connect PC to LAN port of UF51 directly. The following steps are based on Windows 10 operating system for your reference.
A. Go to “Control Panel” → “Network and Internet” → “Network and Sharing Center”, then click “Ethernet” (May have different names).
B. Go to “Properties” → “Internet Protocol Version 4(TCP/IPv4) ”, select “Obtain an IP address automatically” or “Use the following IP address”, then assign a static IP manually within the same subnet of the device.
C. Open a Web browser on your PC (Chrome is recommended), type in the IP address 192.168.1.1, and press Enter on your keyboard.
D. Enter the username, password, and click “Login”.
If you enter the username or password incorrectly more than 5 times, the login page will be locked for 10 minutes.
E. When you login with the default username and password, you will be asked to modify the password.
It’s suggested that you change the password for the sake of security. Click “Cancel” button if you want to modify it later.
F. After you login the Web GUI, you can view system information and perform configuration on the device.
Network Configuration
This chapter explains how to connect UF51 to network via WAN connection, Wi-Fi or cellular.
Ethernet WAN Configuration
A. Go to “Network > Interface > WAN” to select connection type and configure WAN parameters, click “Save & Apply” button to make the changes take effect.
B. Connect WAN port to another network devices like modem.
C. Go to “Network > Interface > Link Failover” to rise the WAN priority to 1.
D. Open your preferred browser on PC, then type any available web address into address bar and see if it is able to visit Internet via UF51.
Cellular Connection Configuration
A. Go to “Network > Interface > Cellular > Cellular Setting” to configure APN, PIN code or other cellular info, click “Save” and “Apply” to save the configuration.
B. Go to “Network > Interface > Link Failover” to enable Cellular and rise link priority.
C. Click 
to configure ICMP ping detection information.
D. Click “Status > Cellular” to view the status of the cellular connection. If it shows “Connected”, it means SIM1 has dialed up successfully. On the other hand, you can check the status of indicator. If it keeps light up statically, it means the SIM has dialed up successfully.
E. Open your preferred browser on PC, then type any available web address into address bar and see if it is able to visit Internet via UF51.
Wi-Fi Configuration
A. Go to “Network” → “Interface” → “WLAN” and select “Client” mode.
B. Click “Scan” to search for Wi-Fi access point. Select the available one and click “Join Network”.
C. Type the key of Wi-Fi.
D. Go to “Network” → “Interface” → “Link Failover” to enable WLAN.
E. Go to “Status”→”WLAN” to check Wi-Fi status. If it shows “Connected”, it means the device connects to Wi-Fi successfully.
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Milesight IoT - LoRaWAN, 5G & AIoT
