Comtech EF Data CDM-760 - Manual (Page 61)

Rear Panel Connections Revision 2
CDM-760 Advanced High-Speed Trunking Modem MN-CDM760
3–13
3.3 Ground and Power Connections
3.3.1 Chassis Ground Interface
Figure 3-8. Chassis Ground Interface
Use the #10-32 stud, located adjacent to the power interface (Figure 3-8), for connecting a
common chassis ground among equipment.
CAUTION – CORRECT GROUNDING PROTECTION IS REQUIRED TO PREVENT
PERSONAL INJURY AND EQUIPMENT DAMAGE. YOU MUST MAKE SURE THE
GROUND STUD ON THE REAR PANEL OF THE UNIT IS ALWAYS CONNECTED TO
PROTECTIVE EARTH.
The AC power interface provides the safety ground.