Cellular Modem Overview
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Features identified from left to right:
Power cord connection A properly functioning modem will have three green and at least three of the four blue signal strength LEDs lit. |
Features identified from left to right:
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Cellular Modem Troubleshooting Steps
| 1 |
Check the power LED |
Not lit = No power to the modem – (no 12V DC power) Yellow = The modem is NOT properly configured Green = Powered on – (proper 12V DC power) |
| 2 |
Check the Wi-Fi LED |
Not lit = Wi-Fi is NOT operating Green = Wi-Fi is operating normally |
| 3 |
Check the cellular LED |
Not lit = Modem is NOT initiating. Ensure SIM Card door is closed. Yellow (solid or flashing) = Modem is NOT active or has connection errors Green = Active connection = Good Red = Modem is resetting |
| 4 |
Check the cellular signal strength LED |
Not lit = No signal. Verify that the antenna is properly installed Blinking blue LED = ½ bar One blue LED lit = Weakest signal Four blue LEDs lit = Best signal Less than three blue signal LEDS = Verify that the antenna is properly installed |
| 5 | Check that the correct antenna was used on the modem and that the Wi-Fi antenna is finger-tight on the modem. |
Should be ANT-002 (female) modem antenna for the modem. |
| 6 | Verify that the CAT6 ethernet cable is snapped into the port (LAN) on the modem. | |
| 7 | Verify that the power cord is snapped into the modem. | |
| 8 | Verify that the main cellular antenna connection is fingertight. | |
| 9 | Open the SIM Card door and verify it contains a SIM card. Ensure the door is completely shut. The modem will not initiate if the SIM Card door is open even slightly! | |
| 10 | Do NOT use the modem RESET button in the field. | |
| 11 | Verify that the auxiliary cellular antenna connection is finger-tight. |