Comtech EF Data DMD-2050E - Manual (Page 154)

DMD2050E Universal Satellite Modem External Connections
MN-DMD2050E Revision 2 5–2
5.1 Power Connectors, Ground and Switches
The DMD2050E units have either AC or DC power connectors (see Figure 5-3).
Power Type Location Prime Power Maximum Power Consumption
AC Rear panel 100 – 240 VAC, 50 – 60 Hz 1A
DC Rear panel 48V ± 5VDC 3A
Table 5-1. Pinouts for DC Power Connector
Pin Description
A –
B Ground
C +
5.1.1 Ground Connector
A chassis ground connector (#10-32 threaded stud), is adjacent to the power connector.
CAUTION: CORRECT GROUNDING PROTECTION REQUIRED: Always make
sure the ground stud on the rear panel of the unit is connected to protective earth.
Correct grounding protection helps prevent personal injury and equipment damage.
In Finland: "Laite on liitettävä suojamaadoituskoskettimilla varustettuun pistorasiaan."
In Norway: “Apparatet må tilkoples jordet stikkontakt.”
In Sweden: “Apparaten skall anslutas till jordat uttag.”
5.1.2 Power Switch
The DMD2050E units have the power switch located either adjacent to the power connector or
on the front panel.