CMG-DCM / AM - Güralp Systems Limited
CMG-DCM / AM - Güralp Systems Limited
CMG-DCM / AM - Güralp Systems Limited
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<strong>CMG</strong>-<strong>DCM</strong> Data Communications Module<br />
3 Usage<br />
The <strong>DCM</strong> can be integrated with any system where seismic data needs<br />
to be collected, or converted from one form into another. It is designed<br />
to operate as transparently as possible, and once connected and<br />
configured for a particular role in a system it should not require<br />
further maintenance.<br />
The rest of this chapter gives detailed installation and usage notes for<br />
several common <strong>DCM</strong> installations. Between them, they highlight<br />
many important features of the <strong>DCM</strong>. For full configuration<br />
information, please refer to the next chapter.<br />
3.1 General notes<br />
Stand-alone <strong>DCM</strong> modules can be supplied with a touch-screen and<br />
minibrowser as an option. This allows you to perform configuration<br />
tasks on-site. However, the touch-screen imposes some environmental<br />
restrictions on the unit.<br />
For all other <strong>DCM</strong> units, you will need console or network access to<br />
the <strong>DCM</strong> to configure it for your installation. This is especially<br />
important if the <strong>DCM</strong> is not to be part of a TCP/IP network whilst in<br />
use.<br />
As supplied, the DATA OUT port runs the getty service, which you<br />
can use to access the console of the <strong>DCM</strong> over a serial link.<br />
Alternatively, you can temporarily connect a computer to the<br />
NETWORK port. It is recommended that you keep a serial or modem<br />
connection to the <strong>DCM</strong> available for maintenance and troubleshooting,<br />
even if the link is too slow for general use.<br />
3.2 The <strong>DCM</strong> as a data store<br />
The simplest way to use a <strong>DCM</strong> is as a storage medium for digital data.<br />
1. Connect the <strong>DCM</strong> to a digitizer or digital sensor.<br />
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