10 resolving common problems – Alpha Technologies PowerAgent SC3 User Manual
Page 57

PowerAgent
TM
SC3 Site Controller
Document # 700-000014-01 Rev 2
Installation and Operation
Phoenix Broadband Technologies, LLC
10/28/2010
Page 57 of 57
10 Resolving Common Problems
1. Problem - The Site Controller resets approximately once an hour. Background – The Site
Controller updates its real time clock from a network time server approximately once per
hour. If the site Controller is unable to communicate with the time server it will reset in an
attempt to restore communications. Solution – First check if the Site Controller is getting
the time by looking at the time display above the telnet setup menu. If the time is correct
the Site Controller is communicating with the time server and the time server is not the
cause of the resetting. If the time is incorrect verify that the time server IP addresses are
correct and that port 123 is not being blocked by a firewall or router. Verify that the reset
is being caused by no time server communications by setting the IP address of the first
time server to zeros from the setup menu. This will disable the time server reset. Verify
that the time server IP addresses are correct.
2. Problem – The Web page opens but does not connect to the Site Controller. No real-
time information is displayed. Solution – This problem occurs when UDP port 30704 is
blocked by a firewall or router in the network. The Java Applet running on the PC will
send message to Site Controller UDP port 30704 to obtain the data required to update
the Web pages. Consult with the IT department to determine where this port is being
blocked. To verify the Web server in the Site Controller is functioning; set the Site
Controller to a static IP address, and set your PC to this address +1. Connect the Site
Controller Ethernet connection directly to the PC Ethernet using a crossover cable. If the
Web page can be opened and updated when connected this way the Web Server is
working properly and the problem is in the network.