Guralp Systems CMG-3EX-EAM - Manual (Page 5)

Operator's Guide
3 External Connectors and Controls.
On the top of the instrument, you will find:
•
An Ethernet connector, labelled NET;
•
A general purpose input/output connector, labelled GPIO;
•
A universal serial bus connector, labelled USB;
•
The handle, with an arrow indicating “North”;
•
A bubble-level;
•
A “breather” screw, to allow the instrument to be assembled
without a build-up of pressure internally.
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