Guralp Systems CMG-DCM build <10,000 - Manual (Page 13)

Acquisition Modules and Platinum Firmware Equipment Overview
They are available in various different package options, including Peli-case
and steel or aluminium tubes.
2.3.5 Integrated instruments
Integrated instruments combine seismic sensors and a data acquisition system
in a single package and are ideally suited for environments where rapid
deployment is required.
Most integrated instruments have their own manuals, which are used in
combination with that for the digitiser and this publication.
2.4 Typical Acquisition Modules
Stand-alone CMG-EAM Stand-alone CMG-EAM
Cylindrical DAS 24 Channel DAS
CMG-NAM
MAN-EAM-0003 13 Issue E - February 2014