ADS Environmental Services RainAlert II QR 775008 A2 - Manual (Page 115)

Maintenance and Troubleshooting 6-9
 Network Interface Box If any problems exist with the
network interface box, check the connectors to ensure that the
cable entries are tight and waterproof. If this does not resolve
the problem, contact the telephone company.
Note: Make sure both the lightning protection module
and network interface box are still waterproof.