Guralp Systems CMG-DCM - Manual (Page 40)

CMG-DCM Data Communications Module
•
Check that the DCM's HTTP(S) server is enabled by issuing one
of
gcfgdbset net.remoteaccess.allow.http yes
gcfgdbset net.remoteaccess.allow.https yes
as necessary.
I cannot connect to the DCM's Scream! server.
Make sure you are using UDP to connect to the DCM. Scream! servers
between computers (including the DCM) always use UDP. The Add
TCP server... option in Scream! is intended for hardware serial-to-IP
converters only.
I cannot GCFPING the DCM's Scream! server.
•
Check the Receive UDP data checkbox in Scream!'s Network
Control window.
•
Open the DCM's Web site, and check that the option
datatransfer.scream.server is set to on, and that
datatransfer.scream.server.port is the port you expected.
I can GCFPING the DCM's Scream! server, but no data appears.
Check the DCM is receiving data by selecting Actions Data Viewer →
on its Web site. This is a Java applet which provides some of the
functionality of Scream!, allowing you to check that data is being
received correctly.
The streams being received at the DCM are listed in the bottom section
of the applet. Click on a checkbox to add that stream to the main
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