Comtech EF Data SDM-9000 - Manual (Page 58)

Installation SDM-9000 Satellite Modem
2–16 Rev. 4
2.4.11 AC Power
The AC power is supplied to the modem by a standard detachable, non-locking, 3-prong
power cord (IEC plug). Normal input voltage is 90 to 264 VAC, 47 to 63 Hz. The power
supply will automatically switch between ranges. Maximum power consumption is less
than 200W.
2.4.12 DC Power
The DC power is supplied to the modem by a standard detachable, non-locking, 3-prong
power cord (IEC plug). Normal input voltage is 38 to 64 VDC.
2.4.13 Ground (GND)
A #10-32 stud on the rear panel of the modem is used for connecting a common chassis
ground between all equipment.
Note: The safety ground is provided through the AC power connector.