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Guralp Systems CMG-DCM User Manual

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CMG-DCM Data Communications Module

Chapter 6. Some important points to note are:

The DCM uses internal serial and Ethernet ports to

communicate with the digitizer and the network. Altering the
serial or network settings may make the instrument unreachable

over the network. You should review carefully any changes you
make to these settings before committing them.

It is possible to disable the DCM's

ssh, http, and https servers

using the links under

Data transfer. Before doing this, you

should ensure that you will still have access to the DCM by

other means,

e.g. by logging in directly over ssh.

Configuring digitizers with the DCM

You can change the configuration of attached DM24 digitizers through

the DCM's web page interface. To do this, click on one of the Digitizer
links beneath

Configure in the serial port table.

The DCM will then retrieve the current configuration from the DM24,

which will take a few seconds. This done, a page will appear allowing
you to alter the digitizer's settings:

You can change all of the digitizer's configuration options from this
page. If you have attached a 6-channel digitizer, the page will reflect

this:

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