Campbell Scientific RavenXTV CDMA Sierra Wireless Cellular Modem - Manual (Page 45)

Appendix D. Troubleshooting Flowchart
PPP or Serial Server?
One computer can connect, other(s) cannot...
In this mode, it’s first come,
first serve, so one connection
can exclude others.
In LoggerNet, is PakBus port
set to “Always Open”?
In LoggerNet, is IP port
“Callback enable” checked?
Connect with AceManager;
under Status; what does
HostMode say?
If none of these fix the issue,
the customer should check
their firewall.
Uncheck
Uncheck
Something is currently
connected and preventing
other connections.
If multiple PCs are trying to
connect simultaneously, do
they have unique PakBus
addresses?
PPP
Yes
Yes
“TCP”
Serial Server
No
No
“AT”
“AT” = ready for incoming
communications
D-5