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Barracuda 4G USB MODEM M40B - Quick Start Guide

Thank you for purchasing the Barracuda 4G USB modem for Barracuda CloudGen Firewall that conveniently provides support for wireless broadband communication technologies. The modem supports bandwidths up to 1.2 Gbps 
downstream and 150 Mbps upstream to provide a cost effective alternative to xDSL and ISDN uplinks or failover lines.  

Note:

 

SIM card is not included and has to be obtained independently through your internet service provider.

Package Content:

•  One USB Modem
•  One USB Cable
•  Two External Antennas
•  Quick Start Guide

Please contact Barracuda Technical Support if any of these items is missing.

1. 

USB  Interface

2. 

Secure screw (Torx size T9)

3. 

Secure plate

4. 

SIM card location

5. 

SMA antenna interface

6. 

Power LED (Blue)

7. 

Network status LED (Green)

Status LED: 

The modem is equipped with a network status LED that indicates the operational state by changing between 
off, slow blinking, and fast blinking. The table below shows the different meanings of the glowing states: 

Getting Started 

1. 

Open the secure plate with a T9 Torx screwdriver. Insert the micro SIM card as illustrated on the modem 
until it gets locked. To remove the micro SIM card, carefully press on the micro SIM card until it unlocks 
and slides out of the bay.

2. 

Connect the modem to a free USB port on your Barracuda CloudGen Firewall by using the included USB 
extension cable.  

Note:

 

The firewall appliance needs to be powered off, as otherwise the modem driver will  

not be initialized.

3. 

Connect the external antennas to the ANT 1 and ANT 2 interfaces of the modem. The external antennas 
are equipped with a magnetic base thus allowing for convenient placement on racks or any other metal 
surfaces.

4. 

Deploy the modem with a standard cap rail.

5. 

Power on the Barracuda CloudGen Firewall and modify the WWAN network settings by navigating to 

Configuration

 > 

Network

 > 

Wireless WAN

.

6. 

Set 

Enable WWAN 

to 

Yes

.

7. 

Select the 

Modem

 type.

8. 

Enter the 

Access Point Name

 of the provider (available from the provider). 

 

9. 

Enter the 

SIM PIN

 number (if PIN needed).

10. 

Enter the 

Phone Number

 for dial-in (available from the provider).

11. 

To activate the configuration, click 

Send Changes

 followed by 

Activate

.

 

 

 

 


 LED

State/Cycle Output

Meaning

OFF

OFF

GREEN

ON - 100ms

OFF - 2s

Registered 2G network

GREEN

ON - OFF

50ms; 2 times

OFF - 2s

Registered 3G/4G network

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