Guralp Systems CMG-SAM - Manual (Page 8)

Operator’s Guide CMG SAM & CMG CRM
2. OPERATING INSTRUCTIONS
2.1 POWER SUPPLY
As the start-up current of the SCSI disc can be up to 1.5A, the SAM contains an internal
backup battery to buffer the infrequent demand of the disc. This means normal running,
demand is less than 200mA, but can be up to 300mA when recharging the internal
batteries.
2.2 FRONT PANEL CONNECTORS
Power
Aux Port Input ports
A B C D E F
Port A (B, C, D, E, F)
Input port from sensor digitiser.
Aux Port
Output port to PC (direct or via radio/telemetry link).
Power
12V input power supply to SAM.
NOTE: See the appendix at the back of this manual for the pinouts of each plug.
Issue D March 2001 6