CMG-DCM / AM - Güralp Systems Limited

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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: 22 Issue F
Operator's guide When you are done, click Configure instrument to submit the changes to the digitizer and reboot it. See “Digitizer output control”, page 107, for full details of what you can do. Configuring digitizers with Scream! If you prefer, you can use Güralp Systems' Scream! software to configure and calibrate digitizers and sensors through the DCM module. You can do this either over the network, or using a serial port. To connect over the network, start the DCM's Scream! server (see ??? REFERNECE) and connect to the DCM using Scream!'s Network Control window. The digitizer should appear under an entry for the DCM in Scream!'s main window. To connect over a serial link, set the service for the serial port to gcf_out (see ???REFERENCE), and connect the serial port to your computer. The digitizer should appear in Scream!'s main window. The DCM may not appear in this case, because it does not send its own GCF blocks. For full details on how to use Scream!, please refer to its own documentation or the extensive on-line help. December 2006 23
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CMG-DCM / AM - Güralp Systems Limited

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