Network Troubleshooting
There are some tips for troubleshooting your network.
 DANGER |
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HAZARD OF ELECTRIC SHOCK, EXPLOSION,
OR ARC FLASH
Failure to follow these instructions will result in death or serious injury.
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Ethernet Troubleshooting
This table describes how to solve issues with Ethernet.
| Issue | Possible Solution |
|---|---|
| Ethernet LEDs are not blinking. | Check that the Ethernet LAN cables are not disconnected. |
| Cannot access to Modbus devices downstream from a Modbus TCP/Modbus serial line gateway. | Check the IP address of the gateway. If data export is via GPRS/3G, check that the gateway is on the same Ethernet subnetwork as the Com’X. |
GPRS/3G Troubleshooting
This table describes how to solve issues with GPRS or 3G.
| Issue | Possible Solution |
|---|---|
| Modem is not detected. The LED modem is not flashing. | Power down the Com’X. Reinsert the modem and power up the Com’X. |
| Modem cannot connect to the network. | Check that the settings such as the APN are correct. |
| GPRS LED on front panel turns ON and OFF periodically. | Check that protocol settings are correct in . |
Wi-Fi Troubleshooting
This table describes how to solve issues with Wi-Fi.
| Issue | Possible Solution |
|---|---|
| Wi-Fi USB key is not detected. The USB key LED is not flashing. | Power down the Com’X. Reinsert again the Wi-Fi USB key and power up the Com’X. |
| Wi-Fi USB key cannot connect to the network. | Check that the settings such as the SSID name and the WPA2 key are correct. |