48 vdc option, 24 vdc option, Ground (gnd) – Comtech EF Data SDR-54A User Manual
Page 29: 2 48 vdc option, 3 24 vdc option, 6 ground (gnd)

SDR-54A Satellite Demodulator
Revision 4
External Connectors
MN/SDR54A.IOM
3.1.5.2
48 VDC Option
Table 3-9. 48 VDC Option
Parameter
Specification
Connector Type
20A 3-way screw-type terminal block.
Input Power
40W maximum.
Input Voltage
46 to 50 VDC.
Fuse Protection
(internal on power supply)
2A slo-blo.
3.1.5.3
24 VDC Option
Table 3-10. 24 VDC Option
Parameter
Specification
Connector Type
20A 3-way screw-type terminal block.
Input Power
40W maximum.
Input Voltage
23 to 25 VDC.
Fuse Protection
(Internal on power supply)
2A slo-blo.
3.1.6 Ground (GND)
A #10-32 stud is available on the rear for connecting a common chassis ground among all
of the equipment.
Note: The safety ground is provided through the AC power connector.
3–7