Appendix A
Technical Specifications
Installation and Operation Requirements
This section contains tables that define specifications specific to installing and
operating the MQAM.
Power Requirements Table
The following table describes the power specifications for the modulator.
Item
Supply Voltage
Fuses
Line Frequency
Power Required
Power Dissipated
In Rush Current
Rack Requirements Table
Item
Rack Mount Type
Height
Width
Depth
Weight
86
Specification
90 to 130V AC @ 47 Hz to 63 Hz (AC unit)
180 to 264V AC @ 47 Hz to 63 Hz (AC unit)
–42V to –57V DC (DC unit)
4.0 A SLO BLO 250V (AC unit)
6.3 A SLO BLO 250V (DC unit)
47 to 63 Hz (AC unit only)
75 VA (typical)
55 Watts (typical)
30 amps maximum (AC unit)
40 amps maximum (DC unit)
Specification
EIA RS-310
1.75 in./4.45 cm
19 in./48.26 cm
21 in./53.34 cm
12 lb./5.44 kg
78-717866-01 Rev D