8. Remove the SD card to reboot.• After rebooting, all the Ethernet ports will display green. If the SIM card is configured,the signal and the ST LED will show orange without blinking.Verifying 3G modem settings1. Connect a PC to Cellular modem (A50) through Ethernet cable.2. Open web browser and navigate to https://10.0.0.53• Verify that the Cellular modem (A50) connection is active and indicated with greenLED.• Talk2M connection is indicated with red LED.• Enter user credentials if required.After verifying 3G modem settings, test that the internet connection is working through theCellular modem (A50). While checking the internet connection, disable WiFi. Enable it againafter the testing is completed.Configuring NETA-21 module■ Setting fixed IP address for NETA-211. Connect a local PC to NETA-21 module via Ethernet cable. Disconnect all other cablesfrom NETA-21 (except the power supply cable).• For instructions on how to connect a PC to NETA-21, see section Connecting PCto NETA-21 (page 33).• Login dialog is displayed.2. Enter user name and password and click Login.• License dialog is displayed for the first login after loading the software.3. Close the license dialog to launch NETA-21 dashboard.4. In NETA-21 web UI, navigate to Settings ˃ Network Interface ˃ Ethernet 2 (tab).5. Enter the fixed IP address 10.58.0.x0 where x0 is same as the specific NETA-21 identifier(.10, .20, .30 or .40).• Note that each NETA-21 within RMDE-01 must have different unique IP address.6. Enter 10.0.0.53 as gateway address, 255.255.255.0 as Netmask and 8.8.8.8 (or operatorspecific value) as DNS server.7. Save Ethernet 2 settings.• The settings will take effect immediately. You can test the connectivity using Testconnection button (e.g. ping www.abb.com).Updating NETA-21 and cellular modem softwareTo maintain a good level of security for the cellular modem and NETA-21, it is important toperiodically update NETA-21 and cellular modem software.For instructions on how to update the NETA-21 software, refer NETA-21 remote monitoringtool User’s manual (3AUA0000096939 [English]).The firmware update check procedure can be repeated using NETA-21 web interface. Ifthe NETA-21 tools are managed under service contract, then ABB reserves the possibilityto update critical security patches to the NETA-21 tools.40 Maintenance