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FCC’s safety limits, assuming that the transmitting antenna is 6 inches or more from vehicle occupants.” For more information on consumer issues, visit the FCC’s Consumer Help Center at www. fcc.gov/consumers. sales@airgain.com | www.airgain.com | + 1-855-AIRGAIN...
Sierra ..............................16 7. Setting MTU ..............................18 8. Connecting Directly to a Router that Supports USB WAN ..........19 9. Customer APN ..............................21 10. Setting Bridge Mode ..........................23 11. Static IP Address ............................24 12. Troubleshooting ............................25 sales@airgain.com | www.airgain.com | + 1-855-AIRGAIN...
AC-HPUE while the SIM door is removed. • It is recommended that work is completed on an anti-static workstation and that the technician is grounded using an anti-static wrist strap. Figure 1 Figure 2 sales@airgain.com | www.airgain.com | + 1-855-AIRGAIN...
Ensure that the roof location is at least 18 inches away from other antennas • Verify that the mounting location of the Ethernet Injector is within 3 feet of a grounding point such as the vehicle chassis sales@airgain.com | www.airgain.com | + 1-855-AIRGAIN...
Verify the hole will not interfere with headliner mounted accessories, such as dome lighting. • Clean the mounting surface with the provided alcohol wipe to remove dust, dirt, and oil. Allow surface to dry sales@airgain.com | www.airgain.com | + 1-855-AIRGAIN...
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Position the housing and adhere it to the vehicle using firm hand pressure. • Place the plastic thermal washer on the threaded lug and then install the nut on the threaded lug. Tighten the nut two turns after contact to inside surface. Attach the sales@airgain.com | www.airgain.com | + 1-855-AIRGAIN...
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• When mounting, make sure that the surface temperature where the housing is to be mounted is between 85°F to 100°F (30°C to 38°C). Cooler surface temperatures may cause improper adhesion to the surface. sales@airgain.com | www.airgain.com | + 1-855-AIRGAIN...
3. Locate a grounding point inside the vehicle within reach of the grounding wire 4. Secure the loose end of the grounding wire to the vehicle chassis 5. Use the supplied screws to secure the Ethernet Injector through the mounting tabs sales@airgain.com | www.airgain.com | + 1-855-AIRGAIN...
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Alternately, scuff the protective coating on a mounting tab on the Ethernet Injector using a metal file or heavy sandpaper. Avoid power tools due to the possibility of ESD. Figure 4 Figure 5 Figure 6 sales@airgain.com | www.airgain.com | + 1-855-AIRGAIN...
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6. Use an inline 5A slow blow fuse for over-current protection. 7. Connect the following (Figure 8): a. Red wire to +12VDC that is always-on, even when the ignition is off b. Black wire to ground (not directly to the vehicle battery) sales@airgain.com | www.airgain.com | + 1-855-AIRGAIN...
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Front Power out Connects power to the modem housing Front Modem Connects LTE data over USB to the modem Front Status indicator Displays operational status Front Reset switch Press to reset the ethernet injector sales@airgain.com | www.airgain.com | + 1-855-AIRGAIN...
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Blinking red after bootup when there is no connection to the connection antenna-modem Green blink Blinking green while connecting to the cellular network Connecting Connected Green Solid green when connected to the cellular network sales@airgain.com | www.airgain.com | + 1-855-AIRGAIN...
Check the WAN port setting and confirm it is set to DHCP. The router will get an IP address from the Ethernet Injector via DHCP. The IP address from the mobile net- work will be passed through to the router. sales@airgain.com | www.airgain.com | + 1-855-AIRGAIN...
Sierra Wireless MG90 Configuration To configure the WAN port (Ethernet 5) a higher priority than the internal modem, do the following steps: To configure the internal modem priority, do the following: sales@airgain.com | www.airgain.com | + 1-855-AIRGAIN...
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Check the link status. In this example, the WAN port and the internal modem are both up. The traffic will be routed over the WAN port only which is represented by it being highlighted at the top of the status list. sales@airgain.com | www.airgain.com | + 1-855-AIRGAIN...
An example of where to set it on the Peplink BR1 ENT router is shown below. On the Dashboard, click on the USB or WAN (the one to which the AC-HPUE is connected) Details button. Then under Physical Interface Settings, select custom and set the value to 1342 sales@airgain.com | www.airgain.com | + 1-855-AIRGAIN...
• Connect the antenna-modem USB cable to a USB port on the router \WARNING! The power to the AC-HPUE modem must be off when connecting or dis- connecting the USB cable from any device. sales@airgain.com | www.airgain.com | + 1-855-AIRGAIN...
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Set the router’s USB port MTU size to 1342. • On the Dashboard, click on the USB or WAN (the one to which the AC-HPUE is connected) Details button. • Enter the MTU size of 1342 in the Custom field. sales@airgain.com | www.airgain.com | + 1-855-AIRGAIN...
9. Custom APN The end users that have an AT&T account with a custom APN, the APN can be configured by following the steps below. • Under “Network” click on “Interfaces” sales@airgain.com | www.airgain.com | + 1-855-AIRGAIN...
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Enter your APN in the APN input box then click “Save” • Click on “Save and Apply” • You will see the WWAN section display a new IPv4 address. This is the static public IP address assigned by AT&T for your device. sales@airgain.com | www.airgain.com | + 1-855-AIRGAIN...
APN. To do so, click on “System” in the left menu then “EI Configuration” • Scroll down to find the “NAT or Bridge Modem” section • Select “Bridge mode” from the dropdown menu • Click “Save and Apply” sales@airgain.com | www.airgain.com | + 1-855-AIRGAIN...
Log into your Ethernet Injector. Navigate to Network --> Interfaces --> WWAN --> Edit --> Enter custom or static IP APN in the APN field. Set any other authentication parameters if provided by FirstNet (SIM pin, PAP, CHAP, etc.) sales@airgain.com | www.airgain.com | + 1-855-AIRGAIN...
Airgain • If using a cigarette lighter power source, check the CLA fuse • If none of the above result in the EI powering on, contact Airgain support • Is the Ethernet Injector LED flashing red? • If you are using power supply other than the one provided by Airgain, check that the it is capable of providing 12V and at least 3 amps.
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Check that the USB cable coming from the antenna-modem properly inserted into the EI. Make sure the cable is screwed down. • If none of the above resolve the issue, contact Airgain support • Is the Ethernet Injector LED flashing green? •...
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