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Introduction
1 Introduction
The CMG-EAM-R is a rack-mounted data acquisition, processing, storage and
communications unit based on the CMG-EAM embedded acquisition module.
The unit can be configured and controlled using a web-based interface.
Security and fire-wall features support direct connection to the internet for
remote operation.
The EAM-R is particularly well suited for use with multiple CMG-CD24-R8
rack-mounted digitiser but can be used in a wide variety of other applications.
The EAM-R houses an Intel PXA270 32-bit processor running at 312MHz with
64Mb of RAM and 512Mb of on-board flash. The unit is equipped with
100BASE-TX Ethernet, three serial ports and seven USB ports.
The EAM-R runs the open-source Linux operating system and Güralp
Systems' Platinum firmware, providing:
•
Data acquisition:
◦
Data can be acquired in various formats via USB, Ethernet or serial
ports;
•
Recording:
◦
Data can be recorded to a mass storage device or network-attached
storage in a variety of standard formats;
•
Data forwarding:
◦
GCF output via serial port or Scream Server (TCP/UDP);
◦
SEEDlink output over TCP/IP;
◦
CD1.1 output;
◦
Güralp Data Interconnect (GDI) can be used for interchanging data
between CMG-EAM-Rs, CMG-EAMs and CMG-NAMs;
•
Processing:
◦
The EAM-R has sophisticated data-processing capabilities including
triggering.
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4
Issue A - February 2012
